Analysis
- max time kernel
296s - max time network
263s - platform
windows10-1703_x64 - resource
win10-20240611-en - resource tags
- submitted
20/06/2024, 22:52
General
- Target 7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.exe
- Size 4.5MB
- Sample240620-2tsdravhkm
- SHA256 7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c
Malware Config
Extracted
-
socks5systemz
-
buztiue.com
-
http://buztiue.com/search/?q=67e28dd8690ba728400aae4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb959933
Signatures
- Detect Socks5Systemz Payload 1 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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.exe"C:\Users\Admin\AppData\Local\Temp\7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-IA2I0.tmp\7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.tmp"C:\Users\Admin\AppData\Local\Temp\is-IA2I0.tmp\7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.tmp" /SL5="$60192,4437589,54272,C:\Users\Admin\AppData\Local\Temp\7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
fanplayercloudfree.exe
7b6941f1d63691163196361f0254f5d26bbc4d835d4d137967ef0d92631ecf4c.tmp
_iscrypt.dll
memory/3236-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3236-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3372-99-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-90-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-129-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-124-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-121-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-118-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-68-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-71-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-74-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-77-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-80-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-83-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/3372-85-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-115-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-93-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-96-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-112-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-102-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-105-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3372-109-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3612-59-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3612-63-0x0000000000400000-0x0000000000646000-memory.dmp
memory/3612-61-0x0000000000400000-0x0000000000646000-memory.dmp
memory/4980-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4980-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4980-66-0x0000000000400000-0x0000000000414000-memory.dmp