Cuckoo Sandbox

File f2f4cc6adf6d1778_pissa.exe

Summary
Download Resubmit sample Download yara

Size	74.8KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`a33d049bb9f016f74958b4b847b53b04`
SHA1	`c618a13f039c7e7870de9ac16c1e041755d0de21`
SHA256	`f2f4cc6adf6d1778e8e00ffebd4aa77d1805d8ff3984a0d4b63f46770ad17194`
SHA512	`cd0e5ded28b2b4e0b97ba6915d36cb719af8838b5d8c82f813fa54cae8edcb6ac2dfbb767127fc3f718a94a01ace060c5dd21a467c365a0b76a44fb48ca08779`
CRC32	`341A9310`
ssdeep	`None`
Yara	suspicious_packer_section - The packer/protector section names/keywords CryptoLocker_rule2 - Detection of CryptoLocker Variants win_files_operation - Affect private profile

Score

This file is very suspicious, with a score of 10 out of 10!

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

Autosubmit

Parent_Task_ID:6697058

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Information on Execution

Analysis

Category	Started	Completed	Duration	Routing	Logs
FILE	July 17, 2025, 9:47 a.m.	July 17, 2025, 9:54 a.m.	434 seconds	internet	Show Analyzer Log Show Cuckoo Log

Analyzer Log

2025-07-13 07:02:11,030 [analyzer] DEBUG: Starting analyzer from: C:\tmppw5mq4
2025-07-13 07:02:11,046 [analyzer] DEBUG: Pipe server name: \??\PIPE\WnlCmLPEXTGOHoJCMulC
2025-07-13 07:02:11,046 [analyzer] DEBUG: Log pipe server name: \??\PIPE\PcwhoevWdaJOJBJDrcvUVZqDVnDy
2025-07-13 07:02:11,046 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-13 07:02:11,046 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-13 07:02:11,358 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-13 07:02:11,358 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-13 07:02:11,967 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-13 07:02:12,171 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-13 07:02:12,171 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-13 07:02:12,171 [analyzer] DEBUG: Started auxiliary module Human
2025-07-13 07:02:12,171 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-13 07:02:12,171 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-13 07:02:12,250 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-13 07:02:12,250 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-13 07:02:12,265 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-13 07:02:12,265 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-13 07:02:12,390 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\f2f4cc6adf6d1778_pissa.exe' with arguments '' and pid 868
2025-07-13 07:02:12,578 [analyzer] DEBUG: Loaded monitor into process with pid 868
2025-07-13 07:02:12,655 [analyzer] INFO: Added new file to list with pid 868 and path C:\Users\Administrator\AppData\Local\Temp\pissa.exe
2025-07-13 07:02:12,780 [analyzer] INFO: Injected into process with pid 3060 and name u'pissa.exe'
2025-07-13 07:02:12,937 [analyzer] DEBUG: Loaded monitor into process with pid 3060
2025-07-13 07:02:13,405 [analyzer] INFO: Process with pid 868 has terminated
2025-07-13 07:02:32,608 [analyzer] INFO: Added new file to list with pid 3060 and path C:\Users\Administrator\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
2025-07-13 07:02:32,608 [analyzer] INFO: Added new file to list with pid 3060 and path C:\Users\Administrator\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
2025-07-13 07:05:31,421 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-13 07:05:32,483 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-13 07:05:32,483 [lib.api.process] INFO: Successfully terminated process with pid 3060.
2025-07-13 07:05:32,515 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-17 09:47:16,465 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:17,492 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:18,514 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:19,535 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:20,607 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:21,632 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:22,791 [cuckoo.core.scheduler] DEBUG: Task #6725408: no machine available yet
2025-07-17 09:47:23,817 [cuckoo.core.scheduler] INFO: Task #6725408: acquired machine win7x646 (label=win7x646)
2025-07-17 09:47:23,818 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.206 for task #6725408
2025-07-17 09:47:24,380 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 4185909 (interface=vboxnet0, host=192.168.168.206)
2025-07-17 09:47:24,557 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x646
2025-07-17 09:47:25,734 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x646 to vmcloak
2025-07-17 09:49:01,046 [cuckoo.core.guest] INFO: Starting analysis #6725408 on guest (id=win7x646, ip=192.168.168.206)
2025-07-17 09:49:02,052 [cuckoo.core.guest] DEBUG: win7x646: not ready yet
2025-07-17 09:49:07,073 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x646, ip=192.168.168.206)
2025-07-17 09:49:07,157 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x646, ip=192.168.168.206, monitor=latest, size=6660546)
2025-07-17 09:49:08,693 [cuckoo.core.resultserver] DEBUG: Task #6725408: live log analysis.log initialized.
2025-07-17 09:49:10,198 [cuckoo.core.resultserver] DEBUG: Task #6725408 is sending a BSON stream
2025-07-17 09:49:10,561 [cuckoo.core.resultserver] DEBUG: Task #6725408 is sending a BSON stream
2025-07-17 09:49:11,254 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'shots/0001.jpg'
2025-07-17 09:49:11,313 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 133456
2025-07-17 09:49:12,808 [cuckoo.core.resultserver] DEBUG: Task #6725408 is sending a BSON stream
2025-07-17 09:49:23,924 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:49:39,459 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:49:54,654 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:50:09,775 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:50:24,979 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:50:40,643 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:50:55,730 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:51:10,892 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:51:26,025 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:51:41,124 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:51:56,263 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:52:11,602 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:52:26,871 [cuckoo.core.guest] DEBUG: win7x646: analysis #6725408 still processing
2025-07-17 09:52:29,326 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'curtain/1752383131.61.curtain.log'
2025-07-17 09:52:29,333 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 36
2025-07-17 09:52:30,093 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'sysmon/1752383132.39.sysmon.xml'
2025-07-17 09:52:30,195 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 10106670
2025-07-17 09:52:30,229 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'files/9cf0daed2c3e6bb1_94308059b57b3142e455b38a6eb92015'
2025-07-17 09:52:30,231 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 344
2025-07-17 09:52:30,233 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'files/4c847e0c28733ed3_94308059b57b3142e455b38a6eb92015'
2025-07-17 09:52:30,235 [cuckoo.core.resultserver] DEBUG: Task #6725408: File upload for 'files/1f891f6d3568b284_pissa.exe'
2025-07-17 09:52:30,238 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 76730
2025-07-17 09:52:30,239 [cuckoo.core.resultserver] DEBUG: Task #6725408 uploaded file length: 73513
2025-07-17 09:52:30,241 [cuckoo.core.resultserver] DEBUG: Task #6725408 had connection reset for <Context for LOG>
2025-07-17 09:52:32,921 [cuckoo.core.guest] INFO: win7x646: analysis completed successfully
2025-07-17 09:52:32,932 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-17 09:52:32,956 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-17 09:52:34,418 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x646 to path /srv/cuckoo/cwd/storage/analyses/6725408/memory.dmp
2025-07-17 09:52:34,421 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x646
2025-07-17 09:54:30,167 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.206 for task #6725408
2025-07-17 09:54:30,781 [cuckoo.core.scheduler] DEBUG: Released database task #6725408
2025-07-17 09:54:30,973 [cuckoo.core.scheduler] INFO: Task #6725408: analysis procedure completed

Signatures

Yara rules detected for file (3 events)

description	The packer/protector section names/keywords	rule	suspicious_packer_section
description	Detection of CryptoLocker Variants	rule	CryptoLocker_rule2
description	Affect private profile	rule	win_files_operation

Port scanning (1 event)

Port: 443

253 times

Allocates read-write-execute memory (usually to unpack itself) (4 events)

Time & API	Arguments	Status
NtProtectVirtualMemory July 13, 2025, 8:02 a.m.	process_identifier: 868 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 24576 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00490000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 13, 2025, 8:02 a.m.	process_identifier: 868 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00503000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 13, 2025, 8:02 a.m.	process_identifier: 3060 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 24576 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00390000 process_handle: 0xffffffff	1
NtProtectVirtualMemory July 13, 2025, 8:02 a.m.	process_identifier: 3060 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x005e3000 process_handle: 0xffffffff	1

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent July 13, 2025, 8:02 a.m.			0	0
IsDebuggerPresent July 13, 2025, 8:02 a.m.			0	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.vmp0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Creates executable files on the filesystem (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

Drops a binary and executes it (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

Drops an executable to the user AppData folder (1 event)

file	C:\Users\Administrator\AppData\Local\Temp\pissa.exe

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW July 13, 2025, 8:02 a.m.	show_type: 0 filepath_r: C:\Users\ADMINI~1\AppData\Local\Temp\pissa.exe parameters: filepath: C:\Users\Administrator\AppData\Local\Temp\pissa.exe	1	1	0

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory July 13, 2025, 8:02 a.m.	process_identifier: 868 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x00501000 process_handle: 0xffffffff	1	0	0

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses July 13, 2025, 8:02 a.m.	flags: 46 family: 0	1	0	0

The executable is likely packed with VMProtect (1 event)

section

.vmp0

description

Section name indicates VMProtect

Sets or modifies WPAD proxy autoconfiguration file for traffic interception (10 events)

Time & API	Arguments	Status
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000598 regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionReason	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000598 regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: O\|ÌóÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecisionTime	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000598 regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadDecision	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000598 regkey_r: WpadNetworkName reg_type: 1 (REG_SZ) value: Network regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{092F0E6C-7874-4263-8D41-969F2B667EA2}\WpadNetworkName	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: O\|ÌóÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecisionReason reg_type: 4 (REG_DWORD) value: 1 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionReason	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecisionTime reg_type: 3 (REG_BINARY) value: O\|ÌóÛ regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecisionTime	1
RegSetValueExW July 13, 2025, 8:02 a.m.	key_handle: 0x00000488 regkey_r: WpadDecision reg_type: 4 (REG_DWORD) value: 0 regkey: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-00-27-00-00-00\WpadDecision	1

File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)

G Data Antivirus (Windows)	Virus: Trojan.GenericKDZ.109048 (Engine A), Win32.Trojan-Downloader.Upatre.BJ (Engine B)
Avast Core Security (Linux)	Win32:Evo-gen [Trj]
C4S ClamAV (Linux)	Win.Trojan.Upatre-3335
Trellix (Linux)	Downloader-FTW
WithSecure (Linux)	Trojan.TR/Bublik.wgoc
eScan Antivirus (Linux)	Trojan.GenericKDZ.109048(DB)
ESET Security (Windows)	Win32/TrojanDownloader.Small.AAB trojan
Sophos Anti-Virus (Linux)	Troj/Agent-AECC
DrWeb Antivirus (Linux)	Trojan.DownLoad3.28161
ClamAV (Linux)	Win.Trojan.Upatre-3335
Bitdefender Antivirus (Linux)	Trojan.GenericKDZ.109048
Kaspersky Standard (Windows)	HEUR:Trojan.Win32.Bublik.pef
Emsisoft Commandline Scanner (Windows)	Trojan.GenericKDZ.109048 (B)

Screenshots

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action	VT	Location
No hosts contacted.

Browser recommendation

File f2f4cc6adf6d1778_pissa.exe

Summary Download Resubmit sample Download yara

Score

Autosubmit

Feedback

Information on Execution

Analyzer Log

Cuckoo Log

Signatures

Feedback

Summary
Download Resubmit sample Download yara