Analysis
- max time kernel
144s - max time network
158s - platform
windows11-21h2_x64 - resource
win11-20240319-en - resource tags
- submitted
23/03/2024, 11:14
General
- Target 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe
- Size 2.0MB
- Sample240323-nb9y7aff23
- SHA256 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3
Malware Config
Extracted
-
socks5systemz
-
http://ejjvzpz.ua/search/?q=67e28dd83e58f128495cab1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c644db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9ed909f3b
Signatures
- Detect Socks5Systemz Payload 2 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\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J4UCT.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp"C:\Users\Admin\AppData\Local\Temp\is-J4UCT.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp" /SL5="$40242,1756523,54272,C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.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
Loading Replay Monitor...
Downloads
colorpicker.exe
colorpicker.exe
colorpicker.exe
_iscrypt.dll
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp
memory/1860-73-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-54-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-96-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-93-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-89-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-86-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-83-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-46-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-80-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-77-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/1860-49-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-76-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-53-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-66-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-57-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-60-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-63-0x0000000000400000-0x0000000000611000-memory.dmp
memory/1860-67-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3484-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3484-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3484-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4576-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4576-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4576-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4672-38-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4672-43-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4672-42-0x0000000000400000-0x0000000000611000-memory.dmp
memory/4672-39-0x0000000000400000-0x0000000000611000-memory.dmp