Analysis
- max time kernel
133s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
05/05/2024, 04:17
General
- Target 15f0a22c06c2be78c39e1917e2e798ca_JaffaCakes118.exe
- Size 120KB
- Sample240505-ewdxtahh33
- SHA256 b0e40f83154bce1343f616094c5c67fb9991f06aa7a0fb1915f952e40c3d1bba
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=153DKiqSWVZMTgNlP2Tv0lSIALRl9DHhS
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Guloader payload 1 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\15f0a22c06c2be78c39e1917e2e798ca_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\15f0a22c06c2be78c39e1917e2e798ca_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\15f0a22c06c2be78c39e1917e2e798ca_JaffaCakes118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3584-5-0x0000000077601000-0x0000000077721000-memory.dmp
memory/3584-4-0x0000000000D00000-0x0000000000E00000-memory.dmp
memory/4932-2-0x00000000020F0000-0x00000000020F8000-memory.dmp
memory/4932-3-0x0000000077601000-0x0000000077721000-memory.dmp
memory/4932-15-0x00000000020F0000-0x00000000020F8000-memory.dmp
memory/4932-16-0x00000000020F0000-0x00000000020F8000-memory.dmp