Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 03:36
General
- Target 6c0c9107eb91bf3807a7f7b4e78db284.exe
- Size 3.8MB
- Sample240801-d5wzbavaka
- SHA256 c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 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\6c0c9107eb91bf3807a7f7b4e78db284.exe"C:\Users\Admin\AppData\Local\Temp\6c0c9107eb91bf3807a7f7b4e78db284.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-MKIAR.tmp\6c0c9107eb91bf3807a7f7b4e78db284.tmp"C:\Users\Admin\AppData\Local\Temp\is-MKIAR.tmp\6c0c9107eb91bf3807a7f7b4e78db284.tmp" /SL5="$5027A,3762092,54272,C:\Users\Admin\AppData\Local\Temp\6c0c9107eb91bf3807a7f7b4e78db284.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\Direct MIDI to MP3 Converter\midi2mp3converter32.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
midi2mp3converter32.exe
_iscrypt.dll
6c0c9107eb91bf3807a7f7b4e78db284.tmp
memory/1400-90-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-93-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-108-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-105-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-101-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1400-100-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1400-58-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-99-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-96-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-62-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-65-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-68-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-71-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-74-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-77-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/1400-79-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-84-0x0000000000400000-0x000000000081D000-memory.dmp
memory/1400-87-0x0000000000400000-0x000000000081D000-memory.dmp
memory/3976-55-0x0000000000400000-0x000000000081D000-memory.dmp
memory/3976-53-0x0000000000400000-0x000000000081D000-memory.dmp
memory/3976-52-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4756-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4756-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4940-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4940-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4940-2-0x0000000000401000-0x000000000040B000-memory.dmp