Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 23:40
General
- Target 930152f5021c136910164967be2c2f47_JaffaCakes118.exe
- Size 60KB
- Sample240603-3n7f6aec47
- SHA256 51720c15de54118cc6d6a9fde35fa549428fe5ce499e30fca4b98cf4f9cb2cfa
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1uqLetSjGzBGadccK_rcmxM_8-6gUA_Af
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Guloader payload 2 IoCs
- 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\930152f5021c136910164967be2c2f47_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\930152f5021c136910164967be2c2f47_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\930152f5021c136910164967be2c2f47_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1004-4-0x0000000000F00000-0x0000000001000000-memory.dmp
memory/1004-5-0x0000000077601000-0x0000000077721000-memory.dmp
memory/2968-2-0x0000000000600000-0x0000000000607000-memory.dmp
memory/2968-3-0x0000000077601000-0x0000000077721000-memory.dmp
memory/2968-15-0x0000000000600000-0x0000000000607000-memory.dmp
memory/2968-16-0x0000000000600000-0x0000000000607000-memory.dmp