Analysis
- max time kernel
143s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-20240226-uk - resource tags
- submitted
03/03/2024, 13:53
General
- Target Ransomware/Birele.exe
- Size 116KB
- Sample240303-q67tescc27
- SHA256 b2dcfdf9e7b09f2aa5004668370e77982963ace820e7285b2e264a294441da23
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Kills process with taskkill 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ransomware\Birele.exe"C:\Users\Admin\AppData\Local\Temp\Ransomware\Birele.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /F /IM explorer.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3080-0-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3080-1-0x00000000006E0000-0x00000000006E6000-memory.dmp
memory/3080-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3080-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3080-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3080-6-0x0000000000400000-0x0000000000438000-memory.dmp