Analysis
- max time kernel
91s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
05/06/2024, 23:11
General
- Target 997c9feb091101c9156005517669a805_JaffaCakes118.exe
- Size 68KB
- Sample240605-26ch3abe4z
- SHA256 f32d06382c4c2e51520d8fd165e9a68e4142a050eba78d7636f3b9898cb970cc
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1gWbEg4vmyBAZvB-C9DVb-ml-39dkZhae
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\997c9feb091101c9156005517669a805_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\997c9feb091101c9156005517669a805_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\997c9feb091101c9156005517669a805_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\997c9feb091101c9156005517669a805_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2692-3-0x0000000000400000-0x000000000055D000-memory.dmp
memory/2692-7-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2692-17-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4592-2-0x00000000021C0000-0x00000000021C8000-memory.dmp
memory/4592-6-0x00000000021C0000-0x00000000021C8000-memory.dmp
memory/4592-5-0x0000000077C41000-0x0000000077D61000-memory.dmp