Analysis
- max time kernel
147s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
23/04/2024, 02:56
General
- Target 03f91cfb52d95a096ad2b211e49f9e76.exe
- Size 425KB
- Sample240423-de1vksca49
- SHA256 cf51137fd01fbda379208b0f344dfebb6832454c69596b8fd39846fd833f04a9
Malware Config
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 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 24 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\03f91cfb52d95a096ad2b211e49f9e76.exe"C:\Users\Admin\AppData\Local\Temp\03f91cfb52d95a096ad2b211e49f9e76.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1xg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.0.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 10323⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1xg.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.2\run.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\u1xg.3.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.3.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 2500 -s 11482⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1812 -ip 18121⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2500 -ip 25001⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
u1xg.0.exe
UIxMarketPlugin.dll
relay.dll
run.exe
u1xg.3.exe
memory/1812-17-0x00000000044B0000-0x00000000044D7000-memory.dmp
memory/1812-18-0x0000000000400000-0x0000000004045000-memory.dmp
memory/1812-16-0x00000000041B0000-0x00000000042B0000-memory.dmp
memory/2500-3-0x0000000000400000-0x0000000002C4D000-memory.dmp
memory/2500-59-0x0000000000400000-0x0000000002C4D000-memory.dmp
memory/2500-39-0x0000000000400000-0x0000000002C4D000-memory.dmp
memory/2500-40-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/2500-42-0x0000000003190000-0x0000000003202000-memory.dmp
memory/2500-2-0x0000000003190000-0x0000000003202000-memory.dmp
memory/2500-1-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/3652-100-0x000002181A490000-0x000002181A49A000-memory.dmp
memory/3652-112-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-134-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-92-0x00007FFFF7ED0000-0x00007FFFF8991000-memory.dmp
memory/3652-93-0x000002187C9C0000-0x00000218802B8000-memory.dmp
memory/3652-94-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-95-0x000002181A730000-0x000002181A840000-memory.dmp
memory/3652-96-0x0000021801BC0000-0x0000021801BD0000-memory.dmp
memory/3652-97-0x000002181A460000-0x000002181A46C000-memory.dmp
memory/3652-98-0x0000021801CF0000-0x0000021801D04000-memory.dmp
memory/3652-99-0x000002181A470000-0x000002181A494000-memory.dmp
memory/3652-133-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-102-0x000002181AAC0000-0x000002181AB72000-memory.dmp
memory/3652-101-0x000002181A500000-0x000002181A52A000-memory.dmp
memory/3652-103-0x000002181AB70000-0x000002181ABEA000-memory.dmp
memory/3652-104-0x000002181ABF0000-0x000002181AC52000-memory.dmp
memory/3652-105-0x0000021880340000-0x00000218803B6000-memory.dmp
memory/3652-106-0x000002181A4F0000-0x000002181A4FA000-memory.dmp
memory/3652-110-0x000002181AC50000-0x000002181AF50000-memory.dmp
memory/3652-132-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-113-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-114-0x00000218802D0000-0x00000218802D8000-memory.dmp
memory/3652-115-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-116-0x00000218803C0000-0x00000218803F8000-memory.dmp
memory/3652-117-0x00000218802E0000-0x00000218802EE000-memory.dmp
memory/3652-118-0x000002181F000000-0x000002181F00A000-memory.dmp
memory/3652-119-0x000002181F030000-0x000002181F052000-memory.dmp
memory/3652-120-0x00000218203D0000-0x00000218208F8000-memory.dmp
memory/3652-124-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-123-0x0000021880400000-0x0000021880450000-memory.dmp
memory/3652-125-0x000002181AF50000-0x000002181AF5C000-memory.dmp
memory/3652-126-0x0000021880450000-0x0000021880472000-memory.dmp
memory/3652-127-0x0000021880310000-0x000002188032E000-memory.dmp
memory/3652-129-0x00007FFFF7ED0000-0x00007FFFF8991000-memory.dmp
memory/3652-130-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3652-131-0x000002181A4A0000-0x000002181A4B0000-memory.dmp
memory/3720-80-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3720-56-0x0000000002560000-0x0000000002561000-memory.dmp
memory/3720-91-0x0000000000400000-0x00000000008AD000-memory.dmp