Analysis
- max time kernel
91s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
28/12/2022, 15:16
General
- Target utorrent_installer.exe
- Size 1.7MB
- Sample221228-snf9vsaf83
- SHA256 9e3209a16bb311daf700198beb271f44269fca2150a5a7672144230d03efc075
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Script User-Agent 4 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4BGEF.tmp\utorrent_installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-4BGEF.tmp\utorrent_installer.tmp" /SL5="$9004E,874637,815104,C:\Users\Admin\AppData\Local\Temp\utorrent_installer.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
utorrent_installer.tmp
botva2.dll
botva2.dll
memory/3924-139-0x00000000052B0000-0x00000000052BF000-memory.dmp
memory/4316-132-0x0000000000400000-0x00000000004D4000-memory.dmp
memory/4316-136-0x0000000000400000-0x00000000004D4000-memory.dmp