Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
20/06/2024, 15:08
General
- Target 7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.exe
- Size 4.9MB
- Sample240620-shxdwstelf
- SHA256 7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120
Malware Config
Extracted
-
socks5systemz
-
erexzoq.ua
-
http://erexzoq.ua/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff719c9e9949f39
-
http://erexzoq.ua/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12eab517aa5c96bd86e9938148855a8bbc896c58e713bc90c94836b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9232cb6e9314
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\7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.exe"C:\Users\Admin\AppData\Local\Temp\7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-SQUGE.tmp\7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.tmp"C:\Users\Admin\AppData\Local\Temp\is-SQUGE.tmp\7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.tmp" /SL5="$6023C,4843737,54272,C:\Users\Admin\AppData\Local\Temp\7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
starsaudioconverter.exe
_iscrypt.dll
7544b5b04d2fa1efd0cd760b6bad70508169a89518ac0922bdc9951c49b13120.tmp
memory/1220-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1220-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2076-61-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2076-59-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2076-63-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2076-65-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-74-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-93-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-117-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-114-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-71-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-110-0x0000000002470000-0x0000000002512000-memory.dmp
memory/2720-77-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-80-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-83-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-84-0x0000000002470000-0x0000000002512000-memory.dmp
memory/2720-88-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-68-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-96-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-99-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-102-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-105-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-108-0x0000000000400000-0x0000000000662000-memory.dmp
memory/2720-109-0x0000000002470000-0x0000000002512000-memory.dmp
memory/4808-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4808-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4808-69-0x0000000000400000-0x0000000000414000-memory.dmp