Analysis
- max time kernel
292s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 22:37
General
- Target 17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe
- Size 5.9MB
- Sample240530-2j57vsdc26
- 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 2 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-7FVIL.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp"C:\Users\Admin\AppData\Local\Temp\is-7FVIL.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp" /SL5="$80110,5929882,54272,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/4392-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4392-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4420-109-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-92-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-134-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-131-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-72-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-128-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-124-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-75-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-78-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-81-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-84-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-87-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-90-0x0000000000A80000-0x0000000000B22000-memory.dmp
memory/4420-121-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-97-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-100-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-103-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-106-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-118-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-112-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4420-115-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/4556-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4556-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4556-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5008-65-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/5008-69-0x0000000000400000-0x00000000007A4000-memory.dmp
memory/5008-66-0x0000000000400000-0x00000000007A4000-memory.dmp