Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
07/04/2024, 22:30
General
- Target 55c11e10adbfc2c18a1d7211e31edc4d.exe
- Size 454KB
- Sample240407-2esqzagf47
- SHA256 7346830995d79cf8e952b5d03120959cbf80f4227a3eed9f100a4dca88697754
Malware Config
Extracted
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stealc
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http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
- Detect ZGRat V1 3 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 27 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\55c11e10adbfc2c18a1d7211e31edc4d.exe"C:\Users\Admin\AppData\Local\Temp\55c11e10adbfc2c18a1d7211e31edc4d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u2ro.0.exe"C:\Users\Admin\AppData\Local\Temp\u2ro.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CAFIEBKKJJ.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CAFIEBKKJJ.exe"C:\Users\Admin\AppData\Local\Temp\CAFIEBKKJJ.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\CAFIEBKKJJ.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 24003⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u2ro.1.exe"C:\Users\Admin\AppData\Local\Temp\u2ro.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 9922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3588 -ip 35881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3536 -ip 35361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
CAFIEBKKJJ.exe
u2ro.0.exe
u2ro.1.exe
memory/2904-120-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2904-107-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/2904-79-0x00000000027A0000-0x00000000027A1000-memory.dmp
memory/3308-175-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-161-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-203-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-202-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-201-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-200-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-199-0x00007FF9CB910000-0x00007FF9CC3D1000-memory.dmp
memory/3308-183-0x000001D52FA80000-0x000001D52FA9E000-memory.dmp
memory/3308-182-0x000001D52FA50000-0x000001D52FA72000-memory.dmp
memory/3308-174-0x000001D5349C0000-0x000001D534A10000-memory.dmp
memory/3308-124-0x00007FF9CB910000-0x00007FF9CC3D1000-memory.dmp
memory/3308-125-0x000001D510280000-0x000001D513B78000-memory.dmp
memory/3308-126-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-127-0x000001D52F210000-0x000001D52F320000-memory.dmp
memory/3308-132-0x000001D5158C0000-0x000001D5158CC000-memory.dmp
memory/3308-131-0x000001D513FC0000-0x000001D513FD0000-memory.dmp
memory/3308-133-0x000001D515890000-0x000001D5158A4000-memory.dmp
memory/3308-134-0x000001D52E160000-0x000001D52E184000-memory.dmp
memory/3308-135-0x000001D5158D0000-0x000001D5158DA000-memory.dmp
memory/3308-136-0x000001D52F460000-0x000001D52F48A000-memory.dmp
memory/3308-137-0x000001D52F490000-0x000001D52F542000-memory.dmp
memory/3308-138-0x000001D52F540000-0x000001D52F5BA000-memory.dmp
memory/3308-139-0x000001D52F5C0000-0x000001D52F622000-memory.dmp
memory/3308-140-0x000001D52F6A0000-0x000001D52F716000-memory.dmp
memory/3308-141-0x000001D52F1E0000-0x000001D52F1EA000-memory.dmp
memory/3308-176-0x000001D534930000-0x000001D53493C000-memory.dmp
memory/3308-171-0x000001D534EA0000-0x000001D5353C8000-memory.dmp
memory/3308-148-0x000001D52F720000-0x000001D52FA20000-memory.dmp
memory/3308-167-0x000001D534950000-0x000001D534972000-memory.dmp
memory/3308-163-0x000001D513FB0000-0x000001D513FC0000-memory.dmp
memory/3308-162-0x000001D5333A0000-0x000001D5333A8000-memory.dmp
memory/3308-164-0x000001D533AA0000-0x000001D533AD8000-memory.dmp
memory/3308-165-0x000001D533A70000-0x000001D533A7E000-memory.dmp
memory/3308-166-0x000001D533B20000-0x000001D533B2A000-memory.dmp
memory/3536-195-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3536-13-0x0000000000880000-0x0000000000980000-memory.dmp
memory/3536-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3536-14-0x0000000002240000-0x0000000002267000-memory.dmp
memory/3536-15-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3536-56-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3536-90-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3536-106-0x0000000000880000-0x0000000000980000-memory.dmp
memory/3536-184-0x0000000000400000-0x000000000063B000-memory.dmp
memory/3588-3-0x0000000000400000-0x0000000002B9C000-memory.dmp
memory/3588-2-0x0000000002E10000-0x0000000002E7C000-memory.dmp
memory/3588-16-0x0000000000400000-0x0000000002B9C000-memory.dmp
memory/3588-82-0x0000000000400000-0x0000000002B9C000-memory.dmp
memory/3588-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp
memory/3588-76-0x0000000002E10000-0x0000000002E7C000-memory.dmp
memory/3588-75-0x0000000002EA0000-0x0000000002FA0000-memory.dmp
memory/3668-192-0x0000000000820000-0x0000000000840000-memory.dmp
memory/3668-193-0x0000000072960000-0x0000000073110000-memory.dmp
memory/3668-194-0x0000000002C60000-0x0000000002C70000-memory.dmp
memory/3668-198-0x0000000072960000-0x0000000073110000-memory.dmp