Analysis
- max time kernel
293s - max time network
248s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
17/06/2024, 05:07
General
- Target 8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.exe
- Size 4.9MB
- Sample240617-fr37kswanf
- SHA256 8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942
Malware Config
Extracted
-
socks5systemz
-
bvdujem.com
-
http://bvdujem.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef9c9a3f
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\8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.exe"C:\Users\Admin\AppData\Local\Temp\8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-33PMB.tmp\8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.tmp"C:\Users\Admin\AppData\Local\Temp\is-33PMB.tmp\8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.tmp" /SL5="$60138,4906577,54272,C:\Users\Admin\AppData\Local\Temp\8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
m4atomp3converter.exe
8cefd2ac132eafd7dc6bd0217f9b5606be09805943933179960a927dd18ea942.tmp
_iscrypt.dll
memory/1296-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1296-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1296-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1724-106-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-91-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-130-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-66-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-125-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-122-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-69-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-72-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-75-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-78-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-81-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-84-0x00000000024F0000-0x0000000002592000-memory.dmp
memory/1724-86-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-119-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-94-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-97-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-100-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-103-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-116-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-110-0x0000000000400000-0x0000000000715000-memory.dmp
memory/1724-113-0x0000000000400000-0x0000000000715000-memory.dmp
memory/4168-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4168-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5004-60-0x0000000000400000-0x0000000000715000-memory.dmp
memory/5004-59-0x0000000000400000-0x0000000000715000-memory.dmp
memory/5004-63-0x0000000000400000-0x0000000000715000-memory.dmp