Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
16/05/2024, 10:47
Behavioral task
behavioral1
Sample
4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
Resource
win7-20240508-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
Resource
win10v2004-20240508-en
9 signatures
150 seconds
General
- Target 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe
- Size 17KB
- Sample240516-mvsnkshc93
- SHA256 bb4942e427800cc76b880e3721d9531933aa871f6d20c7fc7121052b1542e51c
- MD5 4ab21aa5fbbbc32ad4373d42afb35a9b
- SHA1 b4e49b84203c18e014293f92990c75ec4a810468
- SHA512 7af5b1c23c548de22319553ebb69518d0bff08c76d70d99cea230ea9cee75ea80b32bad49df39be012db6f2d8caccd204794d3114d58a9862aa869f08b069a2b
- SSDEEP 384:NbqHAwqqVOt3ITTLeNNvnbqspf+y4Z3s2:NbqHY7NSLevOnB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- RevengeRAT
Remote-access trojan with a wide range of capabilities.
- RevengeRat Executable 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023403-12.dat revengerat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe - Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe WindowsDefender.exe - Executes dropped EXE 1 IoCs
pid Process 1500 WindowsDefender.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\WindowsDefender.exe" WindowsDefender.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4960 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe Token: SeDebugPrivilege 1500 WindowsDefender.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4960 wrote to memory of 1500 4960 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe 98 PID 4960 wrote to memory of 1500 4960 4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4ab21aa5fbbbc32ad4373d42afb35a9b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1500
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.exe
- Size 17KB
- SHA256 bb4942e427800cc76b880e3721d9531933aa871f6d20c7fc7121052b1542e51c
- MD5 4ab21aa5fbbbc32ad4373d42afb35a9b
- SHA1 b4e49b84203c18e014293f92990c75ec4a810468
- SHA512 7af5b1c23c548de22319553ebb69518d0bff08c76d70d99cea230ea9cee75ea80b32bad49df39be012db6f2d8caccd204794d3114d58a9862aa869f08b069a2b
- SSDEEP 384:NbqHAwqqVOt3ITTLeNNvnbqspf+y4Z3s2:NbqHY7NSLevOnB
- MD5 SHA1 SHA512 SSDEEP