Analysis
- max time kernel
148s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/06/2024, 01:07
General
- Target 33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.exe
- Size 3.9MB
- Sample240608-bgph8aeg8z
- SHA256 33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597
Malware Config
Extracted
-
socks5systemz
-
bgpctwl.com
-
http://bgpctwl.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff819c0e79c9a3c
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 19 IoCs
- 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\33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.exe"C:\Users\Admin\AppData\Local\Temp\33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-EH1FP.tmp\33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.tmp"C:\Users\Admin\AppData\Local\Temp\is-EH1FP.tmp\33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.tmp" /SL5="$70214,3785645,54272,C:\Users\Admin\AppData\Local\Temp\33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.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
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
33a3a00dda6126d3f2e9c9e16a59cbc1d39e2bc4f4f50a4e0c1064a56e032597.tmp
_iscrypt.dll
wma2mp3.exe
memory/1548-94-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-97-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-114-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-110-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-107-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-104-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-101-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-98-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-68-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-88-0x0000000000810000-0x00000000008B2000-memory.dmp
memory/1548-71-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-74-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-75-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-78-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-81-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-84-0x0000000000400000-0x0000000000609000-memory.dmp
memory/1548-87-0x0000000000400000-0x0000000000609000-memory.dmp
memory/3484-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3484-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3484-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3832-64-0x0000000000400000-0x0000000000609000-memory.dmp
memory/3832-63-0x0000000000400000-0x0000000000609000-memory.dmp
memory/3832-60-0x0000000000400000-0x0000000000609000-memory.dmp
memory/3832-59-0x0000000000400000-0x0000000000609000-memory.dmp
memory/5012-69-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5012-7-0x0000000000400000-0x00000000004BD000-memory.dmp