Analysis
- max time kernel
142s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
24/06/2024, 23:24
General
- Target 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe
- Size 4.8MB
- Sample240624-3d4yaaxfqa
- SHA256 717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e
Malware Config
Extracted
-
socks5systemz
-
bdwiydz.com
-
http://bdwiydz.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c7ee909f3e
-
http://bdwiydz.com/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c983ccc6a9313
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\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"C:\Users\Admin\AppData\Local\Temp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NC6MS.tmp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp"C:\Users\Admin\AppData\Local\Temp\is-NC6MS.tmp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp" /SL5="$80118,4753091,54272,C:\Users\Admin\AppData\Local\Temp\717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.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 --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
_iscrypt.dll
717094f9d9b62b89ac60f7a696856b1114c54e7d519ef80e5e32d4284c64093e.tmp
winypux32.exe
memory/224-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/224-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1168-65-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/1168-59-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/1168-60-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/1168-63-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-74-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-93-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-117-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-114-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-71-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-109-0x0000000002360000-0x0000000002402000-memory.dmp
memory/3888-77-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-80-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-83-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-86-0x0000000002360000-0x0000000002402000-memory.dmp
memory/3888-88-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-68-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-96-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-99-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-102-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-105-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-108-0x0000000000400000-0x00000000006C7000-memory.dmp
memory/3888-110-0x0000000002360000-0x0000000002402000-memory.dmp
memory/4584-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4584-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4584-69-0x0000000000400000-0x0000000000414000-memory.dmp