Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 19:26
General
- Target abcfa05db7b920e8c58f2b5f5ca8cd7d.exe
- Size 2.0MB
- Sample240323-x5hapsbc35
- SHA256 e3afcc20063477edea06d401bc38833b8df4b3d17e44587ae2e0824a86fe60be
Malware Config
Extracted
-
socks5systemz
-
http://ckudbfe.net/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c2ed95993d
-
http://ckudbfe.net/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12eab517aa5c96bd86ef91854d845a8bbc896c58e713bc90c91d36b5281fc235a925ed3e53d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949839cf6f9510
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\abcfa05db7b920e8c58f2b5f5ca8cd7d.exe"C:\Users\Admin\AppData\Local\Temp\abcfa05db7b920e8c58f2b5f5ca8cd7d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EREI5.tmp\abcfa05db7b920e8c58f2b5f5ca8cd7d.tmp"C:\Users\Admin\AppData\Local\Temp\is-EREI5.tmp\abcfa05db7b920e8c58f2b5f5ca8cd7d.tmp" /SL5="$901D4,1746759,54272,C:\Users\Admin\AppData\Local\Temp\abcfa05db7b920e8c58f2b5f5ca8cd7d.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
-
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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
colorpicker32.exe
_iscrypt.dll
abcfa05db7b920e8c58f2b5f5ca8cd7d.tmp
memory/2364-7-0x0000000000590000-0x0000000000591000-memory.dmp
memory/2364-49-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2364-51-0x0000000000590000-0x0000000000591000-memory.dmp
memory/4008-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4008-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4008-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4108-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4108-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4108-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4108-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-54-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-78-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-47-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-45-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-55-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-58-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-61-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-64-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-67-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-69-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/4292-75-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-50-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-79-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/4292-82-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-85-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-88-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-91-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-92-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/4292-93-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/4292-97-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4292-100-0x0000000000400000-0x0000000000611000-memory.dmp