Analysis
- max time kernel
148s - max time network
152s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
08/04/2024, 10:46
General
- Target eb12d8d794cf494a7c77e1b82f4305f7.exe
- Size 4.4MB
- Sample240408-mtzeqsfc68
- SHA256 b409d205ae446b7ff2507e7ff4b5b4c9b63d76df8cbcda30407ee4d3d2bc7ff7
Malware Config
Extracted
-
socks5systemz
-
http://ddbmkgd.info/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f471ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a658bf812c2eb94
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 6 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 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb12d8d794cf494a7c77e1b82f4305f7.exe"C:\Users\Admin\AppData\Local\Temp\eb12d8d794cf494a7c77e1b82f4305f7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-V0BOM.tmp\eb12d8d794cf494a7c77e1b82f4305f7.tmp"C:\Users\Admin\AppData\Local\Temp\is-V0BOM.tmp\eb12d8d794cf494a7c77e1b82f4305f7.tmp" /SL5="$4010A,4296680,54272,C:\Users\Admin\AppData\Local\Temp\eb12d8d794cf494a7c77e1b82f4305f7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe"C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe"C:\Users\Admin\AppData\Local\InfoMedia\infomedia.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
infomedia.exe
_iscrypt.dll
_isdecmp.dll
_shfoldr.dll
eb12d8d794cf494a7c77e1b82f4305f7.tmp
memory/1284-53-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/1284-48-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/1284-49-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/1284-50-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2196-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2196-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2196-57-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2680-85-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-88-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-108-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-105-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-59-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-60-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-101-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-64-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-67-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-68-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-71-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-74-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-77-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-79-0x00000000022F0000-0x0000000002392000-memory.dmp
memory/2680-82-0x00000000022F0000-0x0000000002392000-memory.dmp
memory/2680-98-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-55-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-91-0x00000000022F0000-0x0000000002392000-memory.dmp
memory/2680-92-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2680-95-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/2840-8-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2840-61-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2840-58-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2840-46-0x0000000003BF0000-0x0000000003ECA000-memory.dmp