Analysis
- max time kernel
141s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/03/2024, 03:04
General
- Target 836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.exe
- Size 2.0MB
- Sample240325-dkwstahd61
- SHA256 836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25
Malware Config
Extracted
-
socks5systemz
-
http://budfrok.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ea9c9e3b
-
http://budfrok.com/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86ee9c864c805a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938c8669216
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\836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.exe"C:\Users\Admin\AppData\Local\Temp\836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QG5E3.tmp\836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.tmp"C:\Users\Admin\AppData\Local\Temp\is-QG5E3.tmp\836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.tmp" /SL5="$C01C6,1763761,54272,C:\Users\Admin\AppData\Local\Temp\836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.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
Loading Replay Monitor...
Downloads
colorpicker32.exe
_iscrypt.dll
836667ded6e8f83458c66a5075847c9f041e3f40c25de5040a27233d99a69a25.tmp
memory/316-77-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-78-0x0000000000740000-0x00000000007E2000-memory.dmp
memory/316-99-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-96-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-92-0x0000000000740000-0x00000000007E2000-memory.dmp
memory/316-91-0x0000000000740000-0x00000000007E2000-memory.dmp
memory/316-90-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-46-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-87-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-84-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-49-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-81-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-53-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-54-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-57-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-63-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-67-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-66-0x0000000000740000-0x00000000007E2000-memory.dmp
memory/316-60-0x0000000000400000-0x000000000060F000-memory.dmp
memory/316-69-0x0000000000740000-0x00000000007E2000-memory.dmp
memory/316-74-0x0000000000400000-0x000000000060F000-memory.dmp
memory/3288-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3288-50-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3288-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4040-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4040-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4040-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4448-43-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4448-40-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4448-39-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4448-38-0x0000000000400000-0x000000000060F000-memory.dmp