Analysis
- max time kernel
292s - max time network
264s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
24/06/2024, 05:58
General
- Target f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe
- Size 4.6MB
- Sample240624-gn77ssyfpc
- SHA256 f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a
Malware Config
Extracted
-
socks5systemz
-
bfnvuiu.com
-
http://bfnvuiu.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff613c0e7929f3e
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\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe"C:\Users\Admin\AppData\Local\Temp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-Q46D2.tmp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q46D2.tmp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp" /SL5="$50220,4537591,54272,C:\Users\Admin\AppData\Local\Temp\f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
dibelius32_64.exe
f1ab62f62a8c7029ec9836b40ac8f3c945c86df956e97eb6c35e50cc1650443a.tmp
_iscrypt.dll
memory/2680-59-0x0000000000400000-0x000000000069F000-memory.dmp
memory/2680-60-0x0000000000400000-0x000000000069F000-memory.dmp
memory/2680-64-0x0000000000400000-0x000000000069F000-memory.dmp
memory/3104-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3104-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3104-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3672-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3672-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4640-82-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-101-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-73-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-76-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-79-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-67-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-84-0x0000000002920000-0x00000000029C2000-memory.dmp
memory/4640-87-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-92-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-95-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-98-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-70-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-104-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-107-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-111-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-114-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-117-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-120-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-123-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-126-0x0000000000400000-0x000000000069F000-memory.dmp
memory/4640-131-0x0000000000400000-0x000000000069F000-memory.dmp