Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
06/10/2026, 12:43
General
- Target jaffacakes118_Trojan-Downloader.Win32.Small.avh.exe
- Size 25KB
- Sample261006-pycsmsgx7v
- SHA256 4bba9805617a859ee7d2ab32b91062b9f2ef52a16f594d185789335bcb3fa452
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Drops file in System32 directory 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 5 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.avh.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.avh.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\services\svchost.exe"C:\Windows\services\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
ntmain.dll
svchost.exe
memory/4500-13-0x00000000761A1000-0x00000000761A2000-memory.dmp
memory/4500-12-0x0000000000400000-0x000000000062C000-memory.dmp
memory/4500-14-0x0000000000400000-0x000000000062C000-memory.dmp
memory/4500-16-0x0000000000400000-0x000000000062C000-memory.dmp
memory/5480-3-0x0000000000400000-0x000000000062C000-memory.dmp
memory/5480-11-0x0000000000400000-0x000000000062C000-memory.dmp