Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
05/07/2024, 03:07
General
- Target d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe
- Size 95KB
- Sample240705-dme8va1epj
- SHA256 d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1YBoLSiQywpFWRLmg4jO1ZmxoLr9XCFgI
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent state file 2 TTPs 1 IoCs
Checks state file used by QEMU agent, possibly to detect virtualization.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe"C:\Users\Admin\AppData\Local\Temp\d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe"1⤵
- Checks QEMU agent state file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4148-2-0x00000000020B0000-0x00000000020BD000-memory.dmp
memory/4148-3-0x0000000077E51000-0x0000000077F71000-memory.dmp
memory/4148-4-0x00000000020B0000-0x00000000020BD000-memory.dmp