Analysis
- max time kernel
147s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
13/06/2024, 19:43
General
- Target 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe
- Size 4.9MB
- Sample240613-ye79wasglj
- SHA256 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f
Malware Config
Extracted
-
socks5systemz
-
csmjpoo.net
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 3 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\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-DS825.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp"C:\Users\Admin\AppData\Local\Temp\is-DS825.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp" /SL5="$40210,4896245,54272,C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.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
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp
_iscrypt.dll
memory/1684-63-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1684-61-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1684-65-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1684-59-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-74-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-86-0x0000000002900000-0x00000000029A2000-memory.dmp
memory/2088-68-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-114-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-111-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-108-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-71-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-105-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-77-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-80-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-83-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-102-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-87-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-93-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-96-0x0000000000400000-0x0000000000711000-memory.dmp
memory/2088-99-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3136-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3136-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3136-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3404-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3404-70-0x0000000000400000-0x00000000004BA000-memory.dmp