Analysis
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max time kernel
140s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 09:51
Static task
static1
Behavioral task
behavioral1
Sample
82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe
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Size
38KB
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MD5
82a6b97353276e56c60d82b72e711392
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SHA1
2b374f39254ad3825fb31302c8f03c7f6e0874f9
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SHA256
153ee55f8c75c191240debb39292916a5a95046db45cea7d73a16c3e4b85c6a7
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SHA512
bb77fd6f0c373f150072be3826a00b4f90f68debcff97a71600a735e0f3a1724b6f1bb4a0a9674e290e9b8ea09a97f719b39cbb32636ce4e8d009c6cfa97d32d
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SSDEEP
768:0IUZK41V3AhyRc7t9pK1B96uUdS3iN8frFS6sWkJGadMvJFULsvq:hAbk8OFzTqbkJhAJ1q
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4508 lsass.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lsass = "C:\\Program Files (x86)\\lsass\\lsass.exe" lsass.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA lsass.exe -
resource yara_rule behavioral2/files/0x0007000000023c77-2.dat upx behavioral2/memory/4508-3-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/memory/4508-17-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\lsass\lsass.exe 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe File created C:\Program Files (x86)\lsass\lsass.exe 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lsass.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4508 lsass.exe 4508 lsass.exe 4508 lsass.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3656 wrote to memory of 4508 3656 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe 84 PID 3656 wrote to memory of 4508 3656 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe 84 PID 3656 wrote to memory of 4508 3656 82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\82a6b97353276e56c60d82b72e711392_JaffaCakes118.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\Program Files (x86)\lsass\lsass.exe"C:\Program Files (x86)\lsass\lsass.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD50c41c7a0ba069b68031273098e18bebe
SHA112a6c0c7a762a2fc4834ca7de13781cadba7275c
SHA256da474f9eef7b56fe824a09d95c19d1f6e254945e0a09ae041099473f1f83bb97
SHA5129233445e8d7e268738844fd456154529442bd59369b6c89b014595a4eadc4c689e9a43b3f70de019fc498fc0fa4c4421407c68c54d9aa99a19f42aa32c0f96a1