Analysis
- max time kernel
1792s - max time network
1173s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
18/03/2024, 22:36
General
- Target Ransomware/Birele.exe
- Size 116KB
- Sample240318-2h9hwsba88
- SHA256 b2dcfdf9e7b09f2aa5004668370e77982963ace820e7285b2e264a294441da23
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- UPX packed file 4 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/3048-0-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3048-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3048-1-0x0000000000590000-0x0000000000596000-memory.dmp
memory/3048-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3048-5-0x0000000000400000-0x0000000000438000-memory.dmp