Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
30/05/2024, 21:20
General
- Target 17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe
- Size 5.9MB
- Sample240530-z6v93aaa41
- SHA256 17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp"C:\Users\Admin\AppData\Local\Temp\is-EP43D.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp" /SL5="$50100,5929882,54272,C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5kplayer32.exe
17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
_iscrypt.dll
_isdecmp.dll
memory/924-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/924-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1904-22-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1904-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3872-99-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-89-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-120-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-117-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-114-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-77-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-80-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-83-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-86-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-74-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-91-0x00000000029F0000-0x0000000002A92000-memory.dmp
memory/3872-94-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-111-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-102-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-105-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/3872-108-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-66-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-65-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-69-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4404-71-0x0000000000400000-0x00000000007A4000-memory.dmp