Analysis
- max time kernel
141s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/05/2024, 17:29
General
- Target 6bb7c41f759a6a0c090edb67049f11d0_JaffaCakes118.exe
- Size 216KB
- Sample240523-v2qfssae72
- SHA256 3a1ba3bfee4b213f085df647f18f215b6893b7e98444947c65db812e5fbb1baf
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1us3ZR4YZf2R7r39QSP-y1ijpQ3n4aSYn
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\6bb7c41f759a6a0c090edb67049f11d0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6bb7c41f759a6a0c090edb67049f11d0_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\6bb7c41f759a6a0c090edb67049f11d0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6bb7c41f759a6a0c090edb67049f11d0_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1444-6-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1444-9-0x0000000077691000-0x00000000777B1000-memory.dmp
memory/1444-8-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1700-2-0x0000000002A40000-0x0000000002A48000-memory.dmp
memory/1700-3-0x0000000077691000-0x00000000777B1000-memory.dmp
memory/1700-4-0x0000000002A40000-0x0000000002A48000-memory.dmp
memory/1700-5-0x0000000077691000-0x00000000777B1000-memory.dmp