Analysis
- max time kernel
141s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
31/03/2024, 04:12
General
- Target f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.exe
- Size 1.8MB
- Sample240331-esvq6ade9t
- SHA256 f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a
Malware Config
Extracted
-
socks5systemz
-
http://aqlolct.ru/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c64bdb22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c5e791983f
-
http://aqlolct.ru/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12eab517aa5c96bd86ec95834d825a8bbc896c58e713bc90c91c36b5281fc235a925ed3e07d6bd974a95129070b618e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94923ec56b9412
Signatures
- Detect Socks5Systemz Payload 5 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 WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.exe"C:\Users\Admin\AppData\Local\Temp\f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-7V9DE.tmp\f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.tmp"C:\Users\Admin\AppData\Local\Temp\is-7V9DE.tmp\f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.tmp" /SL5="$40234,1532600,54272,C:\Users\Admin\AppData\Local\Temp\f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
anyaudiorecord.exe
_iscrypt.dll
f4a94c6dfeef8148f1d5aacece570ac16287c3a841f3a3e618e7826507a3685a.tmp
memory/2068-77-0x0000000002240000-0x00000000022E2000-memory.dmp
memory/2068-67-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-98-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-95-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-91-0x0000000002240000-0x00000000022E2000-memory.dmp
memory/2068-90-0x0000000002240000-0x00000000022E2000-memory.dmp
memory/2068-45-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-89-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-86-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-48-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-83-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-52-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-53-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-56-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-59-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-76-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-80-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-63-0x0000000002240000-0x00000000022E2000-memory.dmp
memory/2068-68-0x0000000002240000-0x00000000022E2000-memory.dmp
memory/2068-73-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2068-62-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/2288-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2288-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3164-6-0x0000000000770000-0x0000000000771000-memory.dmp
memory/3164-49-0x0000000000770000-0x0000000000771000-memory.dmp
memory/3164-47-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3340-41-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/3340-42-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/3340-38-0x0000000000400000-0x00000000005AA000-memory.dmp
memory/3340-37-0x0000000000400000-0x00000000005AA000-memory.dmp