Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
25/07/2023, 12:37
General
- Target MT103.exe
- Size 801KB
- Sample230725-ptgk2ace24
- SHA256 ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MT103.exe"C:\Users\Admin\AppData\Local\Temp\MT103.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ssYxCUZAfpzLs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4978.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp4978.tmp
memory/756-141-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/756-148-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/756-136-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/756-137-0x0000000005950000-0x00000000059EC000-memory.dmp
memory/756-138-0x0000000005B10000-0x0000000005B20000-memory.dmp
memory/756-139-0x0000000005880000-0x000000000588A000-memory.dmp
memory/756-135-0x0000000005DC0000-0x0000000006364000-memory.dmp
memory/756-140-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/756-134-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/756-133-0x0000000000F00000-0x0000000000FCE000-memory.dmp
memory/1968-145-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1968-147-0x0000000074930000-0x00000000750E0000-memory.dmp
memory/1968-149-0x0000000005070000-0x0000000005080000-memory.dmp
memory/1968-150-0x00000000050F0000-0x0000000005156000-memory.dmp
memory/1968-151-0x0000000006350000-0x00000000063A0000-memory.dmp
memory/1968-152-0x0000000074930000-0x00000000750E0000-memory.dmp