Analysis
- max time kernel
120s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
13/03/2024, 18:00
General
- Target 1c3b71a78d1a4a537205902aed1ffed200c6d8d6ecd9244430bb6325056a3b95.exe
- Size 140KB
- Sample240313-wltc7ade97
- SHA256 1c3b71a78d1a4a537205902aed1ffed200c6d8d6ecd9244430bb6325056a3b95
Score
9/10
Malware Config
Signatures
- Detects executables packed with ASPack 4 IoCs
- Modifies AppInit DLL entries 2 TTPs
- ASPack v2.12-2.42 1 IoCs
Detects executables packed with ASPack v2.12-2.42
- Executes dropped EXE 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Suspicious use of UnmapMainImage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1c3b71a78d1a4a537205902aed1ffed200c6d8d6ecd9244430bb6325056a3b95.exe"C:\Users\Admin\AppData\Local\Temp\1c3b71a78d1a4a537205902aed1ffed200c6d8d6ecd9244430bb6325056a3b95.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
-
C:\Windows\system32\taskeng.exetaskeng.exe {09E4BDF0-4D6C-46B9-A5FB-360B5A6E6161} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
-
C:\PROGRA~3\Mozilla\ydvbdjf.exeC:\PROGRA~3\Mozilla\ydvbdjf.exe -smqpfhe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ydvbdjf.exe
memory/2244-0-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2244-2-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2244-1-0x0000000000400000-0x000000000045E000-memory.dmp
memory/2244-3-0x0000000000830000-0x000000000088B000-memory.dmp
memory/2244-4-0x0000000000400000-0x000000000045B000-memory.dmp
memory/2244-6-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3048-11-0x0000000000460000-0x00000000004BB000-memory.dmp
memory/3048-12-0x0000000000400000-0x000000000045B000-memory.dmp
memory/3048-14-0x0000000000400000-0x000000000045B000-memory.dmp