Analysis
- max time kernel
130s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/05/2024, 02:26
General
- Target 7e7fabb1faa04e24a0c3471c60203ec7.exe
- Size 76KB
- Sample240530-cw1epsbb9w
- SHA256 6d6e36eaf29e38080d45637d42af428e2cccb9b7e47129c6c70ae84dc7db6489
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=14fiYTuh9XFnx8VPpsFqaVqLQKYS82Ur5
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\7e7fabb1faa04e24a0c3471c60203ec7.exe"C:\Users\Admin\AppData\Local\Temp\7e7fabb1faa04e24a0c3471c60203ec7.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\7e7fabb1faa04e24a0c3471c60203ec7.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1516-2-0x00000000020B0000-0x00000000020B8000-memory.dmp
memory/1516-3-0x0000000077AD1000-0x0000000077BF1000-memory.dmp
memory/1516-14-0x00000000020B0000-0x00000000020B8000-memory.dmp
memory/1516-15-0x00000000020B0000-0x00000000020B8000-memory.dmp
memory/3400-4-0x0000000001130000-0x0000000001230000-memory.dmp