Resubmissions
05/02/2025, 08:55
250205-kvkxmayrcz1005/02/2025, 06:37
250205-hdsvsswldm1017/03/2024, 04:49
240317-ffz1saef6510Analysis
- max time kernel
177s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
17/03/2024, 04:49
General
- Target ransomwares/Birele/Birele.exe
- Size 116KB
- Sample240317-ffz1saef65
- 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\ransomwares\Birele\Birele.exe"C:\Users\Admin\AppData\Local\Temp\ransomwares\Birele\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/2520-0-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2520-1-0x0000000002180000-0x0000000002186000-memory.dmp
memory/2520-2-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2520-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2520-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2520-6-0x0000000000400000-0x0000000000438000-memory.dmp