Analysis
- max time kernel
92s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 01:10
General
- Target 900f50565c96e8b57e8a4db39dd83aad_JaffaCakes118.exe
- Size 56KB
- Sample240603-bjs97adg7s
- SHA256 df6bb5c764d35036e160e2fbfbd8af9a8b710fb2abc6b3f2a599087cd4b426b4
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1Zecti13UUxptgtFRFt-gmx-v1bJ0HO0B
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\900f50565c96e8b57e8a4db39dd83aad_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\900f50565c96e8b57e8a4db39dd83aad_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\900f50565c96e8b57e8a4db39dd83aad_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\900f50565c96e8b57e8a4db39dd83aad_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4660-4-0x0000000000400000-0x00000000004E7000-memory.dmp
memory/4660-8-0x0000000076F11000-0x0000000077031000-memory.dmp
memory/4660-7-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/4904-2-0x0000000002140000-0x0000000002148000-memory.dmp
memory/4904-5-0x0000000002140000-0x0000000002148000-memory.dmp
memory/4904-3-0x0000000076F11000-0x0000000077031000-memory.dmp