Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
23/03/2024, 16:28
General
- Target fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe
- Size 2.2MB
- Sample240323-typveshe56
- SHA256 fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088
Malware Config
Extracted
-
socks5systemz
-
http://buhauvb.com/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978a471ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c1ee969f38
-
http://buhauvb.com/search/?q=67e28dd86b55fb7a410dae497c27d78406abdd88be4b12eab517aa5c96bd86e891804b875a8bbc896c58e713bc90c91c36b5281fc235a925ed3e07d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94983acc6c9315
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\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp"C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp" /SL5="$50204,1993719,54272,C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.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
fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
_iscrypt.dll
memory/1008-77-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-78-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/1008-99-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-96-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-92-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/1008-91-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/1008-90-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-46-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-87-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-84-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-49-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-81-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-53-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-54-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-57-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-63-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-67-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-65-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/1008-60-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1008-69-0x0000000000A10000-0x0000000000AB2000-memory.dmp
memory/1008-74-0x0000000000400000-0x0000000000640000-memory.dmp
memory/1308-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1308-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1308-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2596-7-0x0000000002310000-0x0000000002311000-memory.dmp
memory/2596-50-0x0000000002310000-0x0000000002311000-memory.dmp
memory/2596-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2936-42-0x0000000000400000-0x0000000000640000-memory.dmp
memory/2936-43-0x0000000000400000-0x0000000000640000-memory.dmp
memory/2936-38-0x0000000000400000-0x0000000000640000-memory.dmp
memory/2936-39-0x0000000000400000-0x0000000000640000-memory.dmp