Analysis
- max time kernel
176s - max time network
191s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
08/01/2024, 00:45
General
- Target 4a370cd452b6229437b7f299133eef8f.exe
- Size 20KB
- Sample240108-a4ag5sadd6
- SHA256 b68b6c6480ca666ca295744825d9fce0ec2fa3cbd7f1491399acca38aace0290
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 1 IoCs
- Drops file in Windows directory 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\4a370cd452b6229437b7f299133eef8f.exe"C:\Users\Admin\AppData\Local\Temp\4a370cd452b6229437b7f299133eef8f.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mbissoju.dll
memory/1152-0-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1152-6-0x0000000000680000-0x0000000000681000-memory.dmp
memory/1152-8-0x0000000000690000-0x0000000000691000-memory.dmp
memory/1152-11-0x0000000000400000-0x000000000040E000-memory.dmp
memory/3484-3-0x0000000000F20000-0x0000000000F21000-memory.dmp