Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
27/06/2024, 01:47
General
- Target 51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.exe
- Size 5.1MB
- Sample240627-b7htcswepc
- SHA256 51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe
Malware Config
Extracted
-
socks5systemz
-
bpfigpd.com
-
http://bpfigpd.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff615c5ed9d9233
-
http://bpfigpd.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86ee968448845a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9e3ecf679e1e
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\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.exe"C:\Users\Admin\AppData\Local\Temp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-DRHNR.tmp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.tmp"C:\Users\Admin\AppData\Local\Temp\is-DRHNR.tmp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.tmp" /SL5="$40240,5099680,54272,C:\Users\Admin\AppData\Local\Temp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.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
51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe.tmp
_iscrypt.dll
memory/2096-59-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2096-64-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2096-65-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2096-60-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2160-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2160-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2160-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2372-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2372-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2828-76-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-90-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-72-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-75-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-68-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-79-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-82-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-85-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-88-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/2828-69-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-96-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-99-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-102-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-105-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-108-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-111-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-112-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/2828-113-0x0000000000AA0000-0x0000000000B42000-memory.dmp
memory/2828-117-0x0000000000400000-0x000000000077E000-memory.dmp
memory/2828-120-0x0000000000400000-0x000000000077E000-memory.dmp