Analysis
- max time kernel
292s - max time network
290s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
13/06/2024, 23:25
General
- Target 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe
- Size 4.9MB
- Sample240613-3eh27svfle
- SHA256 815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f
Malware Config
Extracted
-
socks5systemz
-
bgbveih.com
-
http://bgbveih.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ee979a3a
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\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"C:\Users\Admin\AppData\Local\Temp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0BHPE.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp"C:\Users\Admin\AppData\Local\Temp\is-0BHPE.tmp\815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp" /SL5="$60192,4896245,54272,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
Loading Replay Monitor...
Downloads
moonvoiceassist32_64.exe
815c265c42f5b5739bd5452fc7f510475e2f5c6e4b0a7859729a9148e2e7a73f.tmp
_iscrypt.dll
memory/1364-59-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1364-60-0x0000000000400000-0x0000000000711000-memory.dmp
memory/1364-63-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-81-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-91-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-130-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-66-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-125-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-122-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-69-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-72-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-75-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-78-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-119-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-84-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3724-86-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-116-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-94-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-97-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-100-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-103-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-107-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-110-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3724-113-0x0000000000400000-0x0000000000711000-memory.dmp
memory/3732-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3732-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4880-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4880-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4880-0-0x0000000000400000-0x0000000000414000-memory.dmp