Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
26/06/2024, 23:00
General
- Target 6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe
- Size 5.0MB
- Sample240626-2y3ehs1hlq
- SHA256 6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c
Malware Config
Extracted
-
socks5systemz
-
bebuhri.com
-
http://bebuhri.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff615c4ed9d9239
-
http://bebuhri.com/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86e9968044875a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9e3fcf679e14
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\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"C:\Users\Admin\AppData\Local\Temp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QG54U.tmp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp"C:\Users\Admin\AppData\Local\Temp\is-QG54U.tmp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp" /SL5="$A0082,5041220,54272,C:\Users\Admin\AppData\Local\Temp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audionormalizer32_64.exe
6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp
_iscrypt.dll
memory/3004-101-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-95-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-119-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-116-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-112-0x0000000000A50000-0x0000000000AF2000-memory.dmp
memory/3004-111-0x0000000000A50000-0x0000000000AF2000-memory.dmp
memory/3004-110-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-66-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-68-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-107-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-104-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-71-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-74-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-75-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-98-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-84-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-78-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-86-0x0000000000A50000-0x0000000000AF2000-memory.dmp
memory/3004-90-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3004-81-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3048-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3048-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3048-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3060-63-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3060-64-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3060-59-0x0000000000400000-0x000000000076F000-memory.dmp
memory/3060-60-0x0000000000400000-0x000000000076F000-memory.dmp
memory/4480-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4480-70-0x0000000000400000-0x00000000004BA000-memory.dmp