Analysis
- max time kernel
142s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/03/2024, 03:41
General
- Target e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.exe
- Size 2.0MB
- Sample240325-d8s2tsaa8v
- SHA256 e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be
Malware Config
Extracted
-
socks5systemz
-
http://ckjruvp.net/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3e7949938
-
http://ckjruvp.net/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86ee9c864c805a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938c56e9515
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\e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.exe"C:\Users\Admin\AppData\Local\Temp\e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-348DJ.tmp\e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.tmp"C:\Users\Admin\AppData\Local\Temp\is-348DJ.tmp\e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.tmp" /SL5="$501CA,1746759,54272,C:\Users\Admin\AppData\Local\Temp\e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
colorpicker32.exe
colorpicker32.exe
e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be.tmp
_iscrypt.dll
memory/1892-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1892-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1892-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1892-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-64-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-100-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-45-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-47-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-97-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-93-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/3140-50-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-92-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/3140-54-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-91-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-58-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-61-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-88-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-67-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/3140-68-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-70-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/3140-75-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-78-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-79-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/3140-82-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3140-85-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3552-7-0x0000000002350000-0x0000000002351000-memory.dmp
memory/3552-51-0x0000000002350000-0x0000000002351000-memory.dmp
memory/3552-49-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4236-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4236-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4236-2-0x0000000000400000-0x0000000000414000-memory.dmp