Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
18/03/2024, 20:36
General
- Target 3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.exe
- Size 2.1MB
- Sample240318-zdpltahe94
- SHA256 3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8
Malware Config
Extracted
-
socks5systemz
-
http://bmfmvki.com/search/?q=67e28dd83e08a72b4108ad4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608fff16c9eb979e32
-
http://bmfmvki.com/search/?q=67e28dd83e08a72b4108ad4e7c27d78406abdd88be4b12eab517aa5c96bd86e996804f845a8bbc896c58e713bc90c91a36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee959d32c96d921f
Signatures
- Detect Socks5Systemz Payload 4 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.exe"C:\Users\Admin\AppData\Local\Temp\3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NDRFK.tmp\3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.tmp"C:\Users\Admin\AppData\Local\Temp\is-NDRFK.tmp\3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.tmp" /SL5="$9011E,1880289,54272,C:\Users\Admin\AppData\Local\Temp\3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Log File Analyzer\loganalyzer.exe"C:\Users\Admin\AppData\Local\Log File Analyzer\loganalyzer.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Log File Analyzer\loganalyzer.exe"C:\Users\Admin\AppData\Local\Log File Analyzer\loganalyzer.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
loganalyzer.exe
3822642b617be5ccd754f3bce969e684bed85eb500e2dab1d5a0922a2e5029d8.tmp
_iscrypt.dll
memory/1508-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1508-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1580-79-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-62-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-97-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-94-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-45-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-90-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/1580-89-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/1580-48-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-88-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-52-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-53-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-56-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-59-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-85-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-65-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-66-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/1580-72-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-75-0x0000000000400000-0x0000000000615000-memory.dmp
memory/1580-76-0x00000000008A0000-0x0000000000942000-memory.dmp
memory/1580-82-0x0000000000400000-0x0000000000615000-memory.dmp
memory/2556-38-0x0000000000400000-0x0000000000615000-memory.dmp
memory/2556-37-0x0000000000400000-0x0000000000615000-memory.dmp
memory/2556-42-0x0000000000400000-0x0000000000615000-memory.dmp
memory/2556-41-0x0000000000400000-0x0000000000615000-memory.dmp
memory/4480-6-0x0000000000680000-0x0000000000681000-memory.dmp
memory/4480-49-0x0000000000680000-0x0000000000681000-memory.dmp
memory/4480-47-0x0000000000400000-0x00000000004B8000-memory.dmp