Analysis
- max time kernel
150s - max time network
153s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
03/04/2024, 10:33
General
- Target 2024-04-03_f20e6b22d8e4d9df82aceec26a12aa5f_ryuk.exe
- Size 1.8MB
- Sample240403-mln9sscf34
- SHA256 e8120cca3243174642aa8c527b2377553aed137547288cfb8079f1ed540b6b59
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Drops file in System32 directory 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-04-03_f20e6b22d8e4d9df82aceec26a12aa5f_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-03_f20e6b22d8e4d9df82aceec26a12aa5f_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2456 -s 2762⤵
-
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
alg.exe
memory/2456-1-0x0000000140000000-0x00000001401DF000-memory.dmp
memory/2456-0-0x0000000001C10000-0x0000000001C70000-memory.dmp
memory/2456-7-0x0000000001C10000-0x0000000001C70000-memory.dmp
memory/2456-24-0x0000000140000000-0x00000001401DF000-memory.dmp
memory/2584-13-0x0000000000870000-0x00000000008D0000-memory.dmp
memory/2584-14-0x0000000100000000-0x00000001000A4000-memory.dmp
memory/2584-20-0x0000000000870000-0x00000000008D0000-memory.dmp
memory/2584-21-0x0000000000870000-0x00000000008D0000-memory.dmp
memory/2584-25-0x0000000100000000-0x00000001000A4000-memory.dmp