Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
23/03/2024, 19:11
General
- Target 8507da89b3e2a724e42db877e852a515.exe
- Size 2.0MB
- Sample240323-xvxmmsdf61
- SHA256 7f9ca27e76d60ddb6e159becb582b1fe2f449a6b55293d95321bf42766a2783c
Malware Config
Extracted
-
socks5systemz
-
http://aaevref.ru/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c2ee949832
-
http://aaevref.ru/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86ec928648885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949839cc6e941f
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\8507da89b3e2a724e42db877e852a515.exe"C:\Users\Admin\AppData\Local\Temp\8507da89b3e2a724e42db877e852a515.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-G2SMA.tmp\8507da89b3e2a724e42db877e852a515.tmp"C:\Users\Admin\AppData\Local\Temp\is-G2SMA.tmp\8507da89b3e2a724e42db877e852a515.tmp" /SL5="$60222,1758430,54272,C:\Users\Admin\AppData\Local\Temp\8507da89b3e2a724e42db877e852a515.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
8507da89b3e2a724e42db877e852a515.tmp
_iscrypt.dll
memory/2988-77-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-78-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2988-99-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-96-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-92-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2988-91-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2988-44-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-46-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-90-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-87-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-49-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-84-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-53-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-54-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-81-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-63-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-67-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-66-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2988-60-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-68-0x0000000000890000-0x0000000000932000-memory.dmp
memory/2988-74-0x0000000000400000-0x0000000000606000-memory.dmp
memory/2988-57-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3680-42-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3680-41-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3680-38-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3680-37-0x0000000000400000-0x0000000000606000-memory.dmp
memory/3740-6-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3740-50-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3740-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4268-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4268-47-0x0000000000400000-0x0000000000414000-memory.dmp