Analysis
- max time kernel
142s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
14/06/2024, 02:10
General
- Target f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.exe
- Size 4.8MB
- Sample240614-cls8ms1gkh
- SHA256 f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb
Malware Config
Extracted
-
socks5systemz
-
ckpdveq.net
-
http://ckpdveq.net/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c3ee959238
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 18 IoCs
- 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\f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.exe"C:\Users\Admin\AppData\Local\Temp\f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0HS99.tmp\f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.tmp"C:\Users\Admin\AppData\Local\Temp\is-0HS99.tmp\f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.tmp" /SL5="$8017C,4810418,54272,C:\Users\Admin\AppData\Local\Temp\f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.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
f92a7231efb1a1b09a75a192c77ce4ef987aaf8e30461c6ebe87e4f1e5ab1cfb.tmp
_iscrypt.dll
memory/1180-96-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-80-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-114-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-111-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-108-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-105-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-102-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-68-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-99-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-93-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-71-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-74-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-77-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-90-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-83-0x0000000000400000-0x000000000070B000-memory.dmp
memory/1180-86-0x0000000002930000-0x00000000029D2000-memory.dmp
memory/2156-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2156-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2568-65-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2568-63-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2568-60-0x0000000000400000-0x000000000070B000-memory.dmp
memory/2568-59-0x0000000000400000-0x000000000070B000-memory.dmp
memory/3736-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3736-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3736-2-0x0000000000401000-0x000000000040B000-memory.dmp