Analysis
- max time kernel
146s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/06/2024, 04:31
General
- Target 11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.exe
- Size 4.6MB
- Sample240610-e5qmzacg73
- SHA256 11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59
Malware Config
Extracted
-
socks5systemz
-
dircjib.info
-
http://dircjib.info/search/?q=67e28dd8645cf52d405fae1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff818c9ec9c9c3e
-
http://dircjib.info/search/?q=67e28dd8645cf52d405fae1d7c27d78406abdd88be4b12eab517aa5c96bd86ec9d8f45895a8bbc896c58e713bc90c91936b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee929332ce669013
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.exe"C:\Users\Admin\AppData\Local\Temp\11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-Q2QGG.tmp\11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q2QGG.tmp\11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.tmp" /SL5="$70240,4563832,54272,C:\Users\Admin\AppData\Local\Temp\11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
linuxmultiMediastudio.exe
_iscrypt.dll
11042e8961ea62fa305f4af0e04d74557992a92d0b403dcfa46524e54d31de59.tmp
memory/2352-59-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/2352-60-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/2352-65-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/2352-63-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4560-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4560-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4652-76-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-88-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/4652-69-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-121-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-118-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-72-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-75-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-114-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/4652-79-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-82-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-85-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-67-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-91-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-96-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-99-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-100-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-103-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-106-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-109-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-112-0x0000000000400000-0x00000000006E9000-memory.dmp
memory/4652-113-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/4924-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4924-70-0x0000000000400000-0x0000000000414000-memory.dmp