Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
04/06/2024, 01:54
General
- Target 6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.exe
- Size 4.0MB
- Sample240604-cbj7zsaa72
- SHA256 6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f
Malware Config
Extracted
-
socks5systemz
-
http://bubezcg.com/search/?q=67e28dd86c5cf27a4508ad177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff815c6e9949b38
-
http://bubezcg.com/search/?q=67e28dd86c5cf27a4508ad177c27d78406abdd88be4b12eab517aa5c96bd86ef918e4d805a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee929e3dcb6e9715
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.
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.exe"C:\Users\Admin\AppData\Local\Temp\6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-PCIFU.tmp\6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.tmp"C:\Users\Admin\AppData\Local\Temp\is-PCIFU.tmp\6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.tmp" /SL5="$7006C,3977705,54272,C:\Users\Admin\AppData\Local\Temp\6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\WMA MP3 Converter\wma2mp3.exe"C:\Users\Admin\AppData\Local\WMA MP3 Converter\wma2mp3.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\WMA MP3 Converter\wma2mp3.exe"C:\Users\Admin\AppData\Local\WMA MP3 Converter\wma2mp3.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
6bc928870b36dc1b96a0faae06ae1ec14030b3da627db86235d1bfae4c795b5f.tmp
wma2mp3.exe
memory/1888-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1888-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1888-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2116-59-0x0000000000400000-0x0000000000632000-memory.dmp
memory/2116-60-0x0000000000400000-0x0000000000632000-memory.dmp
memory/2116-62-0x0000000000400000-0x0000000000632000-memory.dmp
memory/2116-65-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-75-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-108-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-67-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-120-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-72-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-76-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-117-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-79-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-82-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-85-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-88-0x0000000000760000-0x0000000000802000-memory.dmp
memory/3544-91-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-96-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-99-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-102-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-105-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-69-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-111-0x0000000000400000-0x0000000000632000-memory.dmp
memory/3544-112-0x0000000000760000-0x0000000000802000-memory.dmp
memory/3544-113-0x0000000000760000-0x0000000000802000-memory.dmp
memory/4612-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4612-71-0x0000000000400000-0x00000000004BD000-memory.dmp