Analysis
- max time kernel
143s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
25/08/2024, 00:42
General
- Target bfc7596ecd06a9d619dbd482631b0d84_JaffaCakes118.exe
- Size 112KB
- Sample240825-a2nxrazglm
- SHA256 ea3c89f63b3655bc11eade2ca63df876233538224152115a02901634b457ba2c
Malware Config
Extracted
-
guloader
-
https://onedrive.live.com/download?cid=18579953F243D979&resid=18579953F243D979%21125&authkey=AI1EUE6HVWvqkos
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
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bfc7596ecd06a9d619dbd482631b0d84_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bfc7596ecd06a9d619dbd482631b0d84_JaffaCakes118.exe"1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bfc7596ecd06a9d619dbd482631b0d84_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bfc7596ecd06a9d619dbd482631b0d84_JaffaCakes118.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1700-2-0x0000000002260000-0x000000000226F000-memory.dmp
memory/1700-3-0x0000000077B81000-0x0000000077CA1000-memory.dmp
memory/1700-7-0x0000000077B81000-0x0000000077CA1000-memory.dmp
memory/1700-6-0x0000000002260000-0x000000000226F000-memory.dmp
memory/4300-4-0x0000000000400000-0x000000000055D000-memory.dmp
memory/4300-8-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4300-12-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4300-13-0x0000000000400000-0x000000000055D000-memory.dmp