Analysis
- max time kernel
93s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
31/03/2024, 11:45
General
- Target user.exe
- Size 299KB
- Sample240331-nw49fabd73
- SHA256 9ee681ec9e50f3083c9cd6464752e48fa08541cd7e11adc6bc0f78d113b6f939
Score
8/10
Malware Config
Signatures
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\user.exe"C:\Users\Admin\AppData\Local\Temp\user.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\usermgr.exeC:\Users\Admin\AppData\Local\Temp\usermgr.exe2⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 2603⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2792 -ip 27921⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
usermgr.exe
memory/2352-0-0x0000000000030000-0x000000000007F000-memory.dmp
memory/2352-18-0x0000000000030000-0x000000000007F000-memory.dmp
memory/2792-6-0x00000000006C0000-0x00000000006C1000-memory.dmp
memory/2792-5-0x0000000000400000-0x0000000000454000-memory.dmp
memory/2792-7-0x0000000000400000-0x0000000000454000-memory.dmp