Analysis
- max time kernel
150s - max time network
161s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
23/03/2024, 12:15
General
- Target 5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.exe
- Size 2.0MB
- Sample240323-pe2bwsfh79
- SHA256 5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2
Malware Config
Extracted
-
socks5systemz
-
http://bfkrfdz.com/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1ee8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9e994933d
-
http://bfkrfdz.com/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12eab517aa5c96bd86eb978f4e845a8bbc896c58e713bc90c94b36b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949b32cb6e9f10
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\5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.exe"C:\Users\Admin\AppData\Local\Temp\5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-S49BH.tmp\5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.tmp"C:\Users\Admin\AppData\Local\Temp\is-S49BH.tmp\5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.tmp" /SL5="$90070,1769802,54272,C:\Users\Admin\AppData\Local\Temp\5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.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
colorpicker.exe
colorpicker.exe
_iscrypt.dll
5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2.tmp
memory/1476-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1476-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1476-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3008-7-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3008-50-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3008-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3500-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3500-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3500-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3500-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-54-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-77-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-53-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-46-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-57-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-60-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-66-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-67-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3912-69-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3912-74-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-49-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-78-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3912-81-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-84-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-87-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-90-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-91-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3912-92-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3912-96-0x0000000000400000-0x0000000000611000-memory.dmp
memory/3912-99-0x0000000000400000-0x0000000000611000-memory.dmp