Analysis
- max time kernel
141s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
30/05/2024, 07:03
General
- Target 0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.exe
- Size 4.8MB
- Sample240530-hvedqsbb65
- SHA256 0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f
Malware Config
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\0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.exe"C:\Users\Admin\AppData\Local\Temp\0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OH981.tmp\0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.tmp"C:\Users\Admin\AppData\Local\Temp\is-OH981.tmp\0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.tmp" /SL5="$E0070,4832431,54272,C:\Users\Admin\AppData\Local\Temp\0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5kplayer.exe
_iscrypt.dll
0397a435a4095545726947a32a29fa6fd46204dd3a7c77d71540f717dc79514f.tmp
memory/428-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/428-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2228-95-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-75-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-117-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-114-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-110-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-68-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-107-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-104-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-71-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-98-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-74-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-78-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-81-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-84-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-87-0x0000000000AF0000-0x0000000000B92000-memory.dmp
memory/2228-89-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2228-101-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2920-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2920-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2920-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3340-60-0x0000000000400000-0x000000000071E000-memory.dmp
memory/3340-65-0x0000000000400000-0x000000000071E000-memory.dmp
memory/3340-59-0x0000000000400000-0x000000000071E000-memory.dmp
memory/3340-64-0x0000000000400000-0x000000000071E000-memory.dmp