Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
11/08/2024, 12:20
General
- Target 8a55b9f965179c553dfb934e8e0edf37_JaffaCakes118.exe
- Size 40KB
- Sample240811-phv92stcjd
- SHA256 1de207f795f29dbb550f6a90674a8ba12b35ffcade3a37e7b942a6659ae6835a
Malware Config
Extracted
-
guloader
-
https://onedrive.live.com/download?cid=4C3F5C65A99DA195&resid=4C3F5C65A99DA195%21218&authkey=AM8ss7HCvsrocgc
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\8a55b9f965179c553dfb934e8e0edf37_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8a55b9f965179c553dfb934e8e0edf37_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\8a55b9f965179c553dfb934e8e0edf37_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8a55b9f965179c553dfb934e8e0edf37_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
Loading Replay Monitor...
Downloads
memory/1608-4-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1608-7-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1608-11-0x0000000000400000-0x000000000055D000-memory.dmp
memory/1608-13-0x0000000000560000-0x0000000000660000-memory.dmp
memory/1824-2-0x0000000000620000-0x0000000000629000-memory.dmp
memory/1824-3-0x0000000077441000-0x0000000077561000-memory.dmp
memory/1824-6-0x0000000000620000-0x0000000000629000-memory.dmp