Analysis
- max time kernel
159s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
20/03/2022, 00:07
General
- Target 7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe
- Size 5.6MB
- Sample220320-aepwjacgf9
- SHA256 7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe"C:\Users\Admin\AppData\Local\Temp\7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe"C:\Users\Admin\AppData\Local\Temp\7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\7f3d79e67f7ffcb7576162e579b64c28124230907e49d0adbd5d7c072f3e818f.exe'3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1292-134-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/1292-135-0x00000000004E0000-0x0000000000A72000-memory.dmp
memory/1292-136-0x00000000053E0000-0x000000000547C000-memory.dmp
memory/1292-137-0x0000000005570000-0x0000000005571000-memory.dmp
memory/1292-138-0x0000000005B30000-0x00000000060D4000-memory.dmp
memory/1480-139-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1480-140-0x0000000074E10000-0x00000000755C0000-memory.dmp
memory/1480-141-0x00000000053B0000-0x00000000053B1000-memory.dmp
memory/1480-142-0x00000000057C0000-0x0000000005852000-memory.dmp
memory/1480-143-0x00000000067F0000-0x0000000006856000-memory.dmp
memory/1480-144-0x00000000756F0000-0x0000000075702000-memory.dmp
memory/1480-145-0x00000000053B3000-0x00000000053B5000-memory.dmp