Analysis
- max time kernel
141s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
22/04/2024, 16:16
General
- Target ae3daefd4ec3ed42176e348e295d9d80.exe
- Size 415KB
- Sample240422-tqsaksde2s
- SHA256 7183d16fc4f54007e1ebbfa6df4b6992f37dbde88eec3c13bd0d9a1e9411b330
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 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ae3daefd4ec3ed42176e348e295d9d80.exe"C:\Users\Admin\AppData\Local\Temp\ae3daefd4ec3ed42176e348e295d9d80.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1k8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1k8.0.exe"2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 10483⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\u1k8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1k8.1.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 -pss -s 480 -p 4640 -ip 46401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
u1k8.0.exe
u1k8.1.exe
memory/2024-17-0x0000000000400000-0x0000000002C4A000-memory.dmp
memory/2024-2-0x0000000003120000-0x000000000318E000-memory.dmp
memory/2024-3-0x0000000000400000-0x0000000002C4A000-memory.dmp
memory/2024-1-0x0000000002E20000-0x0000000002F20000-memory.dmp
memory/2024-28-0x0000000000400000-0x0000000002C4A000-memory.dmp
memory/2024-29-0x0000000003120000-0x000000000318E000-memory.dmp
memory/3004-89-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-81-0x00000211EFF10000-0x00000211EFF1A000-memory.dmp
memory/3004-107-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-106-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-105-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-104-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-103-0x00007FFBBE8C0000-0x00007FFBBF381000-memory.dmp
memory/3004-67-0x00007FFBBE8C0000-0x00007FFBBF381000-memory.dmp
memory/3004-68-0x00000211E9F00000-0x00000211ED7F8000-memory.dmp
memory/3004-69-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-72-0x00000211EFD90000-0x00000211EFD9C000-memory.dmp
memory/3004-71-0x00000211EF540000-0x00000211EF550000-memory.dmp
memory/3004-70-0x00000211F00C0000-0x00000211F01D0000-memory.dmp
memory/3004-73-0x00000211EFD80000-0x00000211EFD94000-memory.dmp
memory/3004-74-0x00000211EFDE0000-0x00000211EFE04000-memory.dmp
memory/3004-75-0x00000211EFF00000-0x00000211EFF0A000-memory.dmp
memory/3004-78-0x00000211F03C0000-0x00000211F043A000-memory.dmp
memory/3004-79-0x00000211F0440000-0x00000211F04A2000-memory.dmp
memory/3004-77-0x00000211F0310000-0x00000211F03C2000-memory.dmp
memory/3004-76-0x00000211EFF60000-0x00000211EFF8A000-memory.dmp
memory/3004-80-0x00000211F0520000-0x00000211F0596000-memory.dmp
memory/3004-101-0x00000211F5820000-0x00000211F583E000-memory.dmp
memory/3004-85-0x00000211F05A0000-0x00000211F08A0000-memory.dmp
memory/3004-87-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-88-0x00000211F0510000-0x00000211F0518000-memory.dmp
memory/3004-90-0x00000211EFE00000-0x00000211EFE10000-memory.dmp
memory/3004-92-0x00000211F4890000-0x00000211F489E000-memory.dmp
memory/3004-91-0x00000211F48C0000-0x00000211F48F8000-memory.dmp
memory/3004-100-0x00000211F57F0000-0x00000211F5812000-memory.dmp
memory/3004-94-0x00000211F59E0000-0x00000211F5A02000-memory.dmp
memory/3004-93-0x00000211F59D0000-0x00000211F59DA000-memory.dmp
memory/3004-95-0x00000211F5F30000-0x00000211F6458000-memory.dmp
memory/3004-99-0x00000211F5750000-0x00000211F575C000-memory.dmp
memory/3004-98-0x00000211F57A0000-0x00000211F57F0000-memory.dmp
memory/3112-66-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3112-54-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/3112-30-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
memory/4640-14-0x0000000004890000-0x00000000048B7000-memory.dmp
memory/4640-16-0x0000000000400000-0x0000000002C26000-memory.dmp
memory/4640-13-0x0000000002DD0000-0x0000000002ED0000-memory.dmp
memory/4640-15-0x0000000000400000-0x0000000002C26000-memory.dmp