Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
23/03/2024, 13:21
General
- Target 8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe
- Size 2.2MB
- Sample240323-ql4k9sba2w
- SHA256 8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4
Malware Config
Extracted
-
socks5systemz
-
http://bxtsbvh.com/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0ef949238
-
http://bxtsbvh.com/search/?q=67e28dd83d54f12b140cff197c27d78406abdd88be4b12eab517aa5c96bd86ec9c8f44805a8bbc896c58e713bc90c91836b5281fc235a925ed3e01d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94983bcd6e9e15
Signatures
- Detect Socks5Systemz Payload 4 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\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe"C:\Users\Admin\AppData\Local\Temp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-B4HHJ.tmp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp"C:\Users\Admin\AppData\Local\Temp\is-B4HHJ.tmp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp" /SL5="$800D8,1960984,54272,C:\Users\Admin\AppData\Local\Temp\8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.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
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Downloads
colorpicker.exe
8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4.tmp
_iscrypt.dll
memory/824-47-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/824-49-0x0000000002200000-0x0000000002201000-memory.dmp
memory/824-7-0x0000000002200000-0x0000000002201000-memory.dmp
memory/1628-79-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-82-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-97-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-45-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-94-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-90-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1628-48-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-89-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1628-52-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-53-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-56-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-59-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-62-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-65-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-66-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1628-72-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-75-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-76-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1628-88-0x0000000000400000-0x0000000000642000-memory.dmp
memory/1628-85-0x0000000000400000-0x0000000000642000-memory.dmp
memory/2864-39-0x0000000000400000-0x0000000000642000-memory.dmp
memory/2864-38-0x0000000000400000-0x0000000000642000-memory.dmp
memory/2864-42-0x0000000000400000-0x0000000000642000-memory.dmp
memory/3404-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3404-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3404-46-0x0000000000400000-0x0000000000414000-memory.dmp