Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
11/07/2024, 22:36
General
- Target 3afbff763b9b7c1d7ee7c7d99ea33bb2_JaffaCakes118.exe
- Size 104KB
- Sample240711-2jfbfaxdmq
- SHA256 6147decc439b9d258f5b19f77dfa47ea441e681c49e0b699533eea18104f4092
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
http://mtspsmjeli.sch.id/cl/VK_Remcos%20v2_AxaGIU151.bin
xor.base64
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- 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\3afbff763b9b7c1d7ee7c7d99ea33bb2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3afbff763b9b7c1d7ee7c7d99ea33bb2_JaffaCakes118.exe"1⤵
- Checks QEMU agent file
- 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\3afbff763b9b7c1d7ee7c7d99ea33bb2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3afbff763b9b7c1d7ee7c7d99ea33bb2_JaffaCakes118.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1176-4-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1176-7-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1176-8-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1176-10-0x0000000000560000-0x0000000000660000-memory.dmp
memory/2272-2-0x00000000020B0000-0x00000000020BC000-memory.dmp
memory/2272-3-0x0000000077341000-0x0000000077461000-memory.dmp
memory/2272-6-0x00000000020B0000-0x00000000020BC000-memory.dmp