Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
25/03/2024, 04:04
General
- Target f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.exe
- Size 2.0MB
- Sample240325-em9m5aff78
- SHA256 f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a
Malware Config
Extracted
-
socks5systemz
-
http://besdjre.com/search/?q=67e28dd86f58a021415baa1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a471ea771795af8e05c64bdb22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe12c3e6909e33
Signatures
- Detect Socks5Systemz Payload 2 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\f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.exe"C:\Users\Admin\AppData\Local\Temp\f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-EC1OJ.tmp\f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.tmp"C:\Users\Admin\AppData\Local\Temp\is-EC1OJ.tmp\f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.tmp" /SL5="$5022C,1728235,54272,C:\Users\Admin\AppData\Local\Temp\f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglotedit.exe"C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglotedit.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglotedit.exe"C:\Users\Admin\AppData\Local\Poly Glot Edit\polyglotedit.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
polyglotedit.exe
_iscrypt.dll
f624a518c0d0807011e3349633bb2ebc4882bd74eeac3e2c35330a225d05105a.tmp
memory/1176-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1176-6-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1176-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/4156-41-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4156-38-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4156-42-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4156-37-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4188-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4188-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4800-63-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-68-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/4800-46-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-53-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-54-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-57-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-60-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-44-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-66-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-49-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-74-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-77-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-78-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/4800-81-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-84-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-87-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-90-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-94-0x0000000000400000-0x0000000000658000-memory.dmp
memory/4800-97-0x0000000000400000-0x0000000000658000-memory.dmp