Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
14/06/2024, 01:24
General
- Target 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe
- Size 4.7MB
- Sample240614-bskpeatcpj
- SHA256 76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde
Malware Config
Extracted
-
socks5systemz
-
bpeaihx.com
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 17 IoCs
- 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\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"C:\Users\Admin\AppData\Local\Temp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-L7Q3L.tmp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp"C:\Users\Admin\AppData\Local\Temp\is-L7Q3L.tmp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp" /SL5="$600EA,4729640,54272,C:\Users\Admin\AppData\Local\Temp\76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
freeaudioconverter.exe
_iscrypt.dll
76dd35f56bbe00dbbc54d4ca4b22a4d10ae45801563f674d2a9cceaec4863fde.tmp
memory/220-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/220-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/636-96-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-102-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-114-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-68-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-111-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-108-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-105-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-99-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-71-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-74-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-77-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-80-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-83-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-84-0x0000000000B10000-0x0000000000BB2000-memory.dmp
memory/636-88-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/636-93-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2972-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2972-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2972-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5048-59-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/5048-60-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/5048-64-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/5048-65-0x0000000000400000-0x00000000006FB000-memory.dmp