Analysis
- max time kernel
145s - max time network
154s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
14/06/2024, 00:28
General
- Target 1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.exe
- Size 5.0MB
- Sample240614-asn66a1epp
- SHA256 1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934
Malware Config
Extracted
-
socks5systemz
-
ddflbtf.info
-
http://ddflbtf.info/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff712c2eb9c9338
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\1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.exe"C:\Users\Admin\AppData\Local\Temp\1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5RDJ6.tmp\1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.tmp"C:\Users\Admin\AppData\Local\Temp\is-5RDJ6.tmp\1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.tmp" /SL5="$7022E,4984957,54272,C:\Users\Admin\AppData\Local\Temp\1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.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_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
moonvoiceassist32_64.exe
_iscrypt.dll
1d1b76993870d350f4b3333c7940ce3808dd1b02919cb69ddbb498dfaee44934.tmp
memory/856-7-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/856-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2104-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2104-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2104-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2736-97-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-83-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-68-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-116-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-113-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-71-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-74-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-77-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-80-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-109-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-86-0x0000000002550000-0x00000000025F2000-memory.dmp
memory/2736-89-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-94-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-106-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-100-0x0000000000400000-0x0000000000720000-memory.dmp
memory/2736-103-0x0000000000400000-0x0000000000720000-memory.dmp
memory/3112-59-0x0000000000400000-0x0000000000720000-memory.dmp
memory/3112-65-0x0000000000400000-0x0000000000720000-memory.dmp
memory/3112-60-0x0000000000400000-0x0000000000720000-memory.dmp
memory/3112-63-0x0000000000400000-0x0000000000720000-memory.dmp