Analysis
- max time kernel
1191s - max time network
1151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
10/08/2024, 22:45
General
- Target bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe
- Size 3.5MB
- Sample240810-2plqeawepa
- SHA256 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c
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.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QGQ7B.tmp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp"C:\Users\Admin\AppData\Local\Temp\is-QGQ7B.tmp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp" /SL5="$502D8,3442393,54272,C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
bekkysoftuniversalplayer32_64.exe
_iscrypt.dll
bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp
memory/1380-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1380-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1380-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1836-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1836-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1944-52-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1944-53-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1944-56-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-74-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-93-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-65-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-68-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-71-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-59-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-77-0x0000000000AF0000-0x0000000000B92000-memory.dmp
memory/4736-81-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-84-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-87-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-90-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-62-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-96-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-99-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-103-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-106-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-109-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-112-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-115-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-118-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4736-123-0x0000000000400000-0x00000000007E0000-memory.dmp