Analysis
- max time kernel
148s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 17:51
General
- Target a2d7aa35ec0372bdd6ffe1a7a9ffd2de.exe
- Size 2.6MB
- Sample240227-we5smsfg8s
- SHA256 a569e7c0c116cd5138ef145b67a6a0032fe2f55fd484e72becd248eee9bf88d9
Malware Config
Extracted
-
socks5systemz
-
http://ejtmbne.ua/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef611c5e9969e3e
Signatures
- Detect Socks5Systemz Payload 2 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a2d7aa35ec0372bdd6ffe1a7a9ffd2de.exe"C:\Users\Admin\AppData\Local\Temp\a2d7aa35ec0372bdd6ffe1a7a9ffd2de.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-ED1QN.tmp\a2d7aa35ec0372bdd6ffe1a7a9ffd2de.tmp"C:\Users\Admin\AppData\Local\Temp\is-ED1QN.tmp\a2d7aa35ec0372bdd6ffe1a7a9ffd2de.tmp" /SL5="$4021E,2350775,56832,C:\Users\Admin\AppData\Local\Temp\a2d7aa35ec0372bdd6ffe1a7a9ffd2de.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe"C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe"C:\Users\Admin\AppData\Local\Sadko Drive Speed\sadkodrive.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
sadkodrive.exe
sadkodrive.exe
_iscrypt.dll
_isdecmp.dll
a2d7aa35ec0372bdd6ffe1a7a9ffd2de.tmp
memory/1876-73-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1876-63-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-102-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-99-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-95-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-92-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-89-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-51-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-52-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-86-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-83-0x0000000000830000-0x00000000008D2000-memory.dmp
memory/1876-55-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-82-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-59-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-60-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-79-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-66-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-69-0x0000000000400000-0x000000000075C000-memory.dmp
memory/1876-72-0x0000000000400000-0x000000000075C000-memory.dmp
memory/2360-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2360-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2360-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2788-7-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2788-56-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2788-54-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3896-48-0x0000000000400000-0x000000000075C000-memory.dmp
memory/3896-45-0x0000000000400000-0x000000000075C000-memory.dmp
memory/3896-44-0x0000000000400000-0x000000000075C000-memory.dmp
memory/3896-43-0x0000000000400000-0x000000000075C000-memory.dmp