Analysis
- max time kernel
143s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
15/06/2024, 03:04
General
- Target e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe
- Size 5.0MB
- Sample240615-dkwg2sxcph
- SHA256 e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91
Malware Config
Extracted
-
socks5systemz
-
bfumcmw.com
-
http://bfumcmw.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c2ef929e3a
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\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe"C:\Users\Admin\AppData\Local\Temp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5DC0Q.tmp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp"C:\Users\Admin\AppData\Local\Temp\is-5DC0Q.tmp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp" /SL5="$501D4,5014292,54272,C:\Users\Admin\AppData\Local\Temp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
moonvoiceassist32.exe
_iscrypt.dll
e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
memory/1488-59-0x0000000000400000-0x000000000073D000-memory.dmp
memory/1488-60-0x0000000000400000-0x000000000073D000-memory.dmp
memory/1488-65-0x0000000000400000-0x000000000073D000-memory.dmp
memory/1488-64-0x0000000000400000-0x000000000073D000-memory.dmp
memory/3128-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3128-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3128-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3468-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3468-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4508-74-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-88-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-68-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-77-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-80-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-83-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-86-0x0000000002940000-0x00000000029E2000-memory.dmp
memory/4508-71-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-93-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-96-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-99-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-102-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-105-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-108-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-111-0x0000000000400000-0x000000000073D000-memory.dmp
memory/4508-114-0x0000000000400000-0x000000000073D000-memory.dmp