Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
10/06/2024, 09:17
General
- Target ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.exe
- Size 4.6MB
- Sample240610-k894nsff78
- SHA256 ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74
Malware Config
Extracted
-
socks5systemz
-
bxdgtlj.com
-
http://bxdgtlj.com/search/?q=67e28dd83f54f37a445aab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4be8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff711c1ee949b3f
-
http://bxdgtlj.com/search/?q=67e28dd83f54f37a445aab4e7c27d78406abdd88be4b12eab517aa5c96bd86e8948e49885a8bbc896c58e713bc90c91e36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9a3acc6e9712
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\ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.exe"C:\Users\Admin\AppData\Local\Temp\ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-SKTSH.tmp\ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.tmp"C:\Users\Admin\AppData\Local\Temp\is-SKTSH.tmp\ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.tmp" /SL5="$4020E,4576270,54272,C:\Users\Admin\AppData\Local\Temp\ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.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
ae44e03357f4cfda170aa96107881790cb5035860ff5c87c6e5aaaa33f02fd74.tmp
memory/760-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/760-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/760-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2280-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4552-63-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4552-62-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4552-59-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-73-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-90-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-71-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-68-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-75-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-78-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-81-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-84-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-85-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4888-67-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-95-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-98-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-101-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-104-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-107-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-110-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-112-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4888-111-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/4888-116-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4888-119-0x0000000000400000-0x00000000006E4000-memory.dmp