Analysis
- max time kernel
146s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 02:21
General
- Target c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe
- Size 2.0MB
- Sample240325-ctckvsde85
- SHA256 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2
Malware Config
Extracted
-
socks5systemz
-
http://erqucez.ua/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec969d3f
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 19 IoCs
- 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\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe"C:\Users\Admin\AppData\Local\Temp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-200UM.tmp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp"C:\Users\Admin\AppData\Local\Temp\is-200UM.tmp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp" /SL5="$801CA,1762897,54272,C:\Users\Admin\AppData\Local\Temp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.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
colorpicker32.exe
c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp
_iscrypt.dll
memory/972-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/972-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/972-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/972-39-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1064-50-0x0000000000760000-0x0000000000761000-memory.dmp
memory/1064-7-0x0000000000760000-0x0000000000761000-memory.dmp
memory/1064-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1376-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1376-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1376-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2964-67-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/2964-68-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/2964-53-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-54-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-57-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-60-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-46-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-66-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-49-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-74-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-77-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-78-0x0000000000910000-0x00000000009B2000-memory.dmp
memory/2964-81-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-84-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-87-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-90-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-94-0x0000000000400000-0x0000000000611000-memory.dmp
memory/2964-97-0x0000000000400000-0x0000000000611000-memory.dmp