Analysis
- max time kernel
94s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
17/11/2024, 01:48
General
- Target 38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe
- Size 255KB
- Sample241117-b8ajdaycmd
- SHA256 38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bba
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe"C:\Users\Admin\AppData\Local\Temp\38b8eb4f83b1e90951ebb7d5b7001b155bf08ed5236d3f12d5e5d88f8baf3bbaN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
a1punf5t2of.exe
memory/3792-24-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/3792-23-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/3792-28-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/3792-26-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/3792-25-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/3792-22-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-5-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-2-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-7-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-6-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-1-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp
memory/4780-21-0x0000000074CA0000-0x0000000075251000-memory.dmp
memory/4780-4-0x0000000074CA2000-0x0000000074CA3000-memory.dmp
memory/4780-3-0x0000000074CA0000-0x0000000075251000-memory.dmp