Analysis
- max time kernel
143s - max time network
146s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
30/03/2024, 08:25
General
- Target a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.exe
- Size 2.1MB
- Sample240330-kbp28scd74
- SHA256 a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09
Malware Config
Extracted
-
socks5systemz
-
http://bowunih.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe16c8e8979b3f
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.exe"C:\Users\Admin\AppData\Local\Temp\a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-P131V.tmp\a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.tmp"C:\Users\Admin\AppData\Local\Temp\is-P131V.tmp\a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.tmp" /SL5="$6023E,1817276,54272,C:\Users\Admin\AppData\Local\Temp\a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe"C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe"C:\Users\Admin\AppData\Local\Easy CD Audio Converter\easycdaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
easycdaudioconverter.exe
_iscrypt.dll
a86d15d6986bf187c41b9aa881686bdf6a983b4073bba10330e80300bb07cf09.tmp
memory/132-69-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/132-74-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-97-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-94-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-90-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-87-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-46-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-84-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-81-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-49-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-78-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/132-51-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-54-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-57-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-60-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-63-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-64-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/132-68-0x0000000000400000-0x000000000061C000-memory.dmp
memory/132-77-0x0000000000400000-0x000000000061C000-memory.dmp
memory/1704-43-0x0000000000400000-0x000000000061C000-memory.dmp
memory/1704-38-0x0000000000400000-0x000000000061C000-memory.dmp
memory/1704-39-0x0000000000400000-0x000000000061C000-memory.dmp
memory/2212-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2212-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2212-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4864-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4864-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4864-48-0x0000000000400000-0x00000000004B8000-memory.dmp