Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240214-en - resource tags
- submitted
23/03/2024, 14:58
General
- Target 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe
- Size 2.2MB
- Sample240323-sb6c8abd6t
- SHA256 439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d
Malware Config
Extracted
-
socks5systemz
-
http://bdglieu.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0ea9c9e32
-
http://bdglieu.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12eab517aa5c96bd86ef968344815a8bbc896c58e713bc90c91936b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94983bc866921f
Signatures
- Detect Socks5Systemz Payload 5 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\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp"C:\Users\Admin\AppData\Local\Temp\is-OPEQ6.tmp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp" /SL5="$4021E,1952650,54272,C:\Users\Admin\AppData\Local\Temp\439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
colorpicker.exe
colorpicker.exe
colorpicker.exe
_iscrypt.dll
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp
439bb9a19bb23e3d53382ca036e1ca4536930faf2d97c90765db4ebe9d3cae5d.tmp
memory/1456-50-0x0000000002300000-0x0000000002301000-memory.dmp
memory/1456-7-0x0000000002300000-0x0000000002301000-memory.dmp
memory/1456-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3700-53-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-63-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-99-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-46-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-96-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-92-0x00000000023F0000-0x0000000002492000-memory.dmp
memory/3700-91-0x00000000023F0000-0x0000000002492000-memory.dmp
memory/3700-49-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-90-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-87-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-54-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-57-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-60-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-84-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-65-0x00000000023F0000-0x0000000002492000-memory.dmp
memory/3700-69-0x00000000023F0000-0x0000000002492000-memory.dmp
memory/3700-67-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-74-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-77-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3700-78-0x00000000023F0000-0x0000000002492000-memory.dmp
memory/3700-81-0x0000000000400000-0x0000000000642000-memory.dmp
memory/4132-42-0x0000000000400000-0x0000000000642000-memory.dmp
memory/4132-38-0x0000000000400000-0x0000000000642000-memory.dmp
memory/4132-39-0x0000000000400000-0x0000000000642000-memory.dmp
memory/4132-43-0x0000000000400000-0x0000000000642000-memory.dmp
memory/4876-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4876-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4876-47-0x0000000000400000-0x0000000000414000-memory.dmp