Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 12:37
General
- Target 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe
- Size 4.0MB
- Sample240802-pthhbswhmk
- SHA256 171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5
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\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-POGUA.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp"C:\Users\Admin\AppData\Local\Temp\is-POGUA.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp" /SL5="$A0062,3904543,54272,C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.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
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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" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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
171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp
memory/3320-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3320-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3320-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3988-52-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3988-53-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3988-56-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3988-54-0x0000000000400000-0x000000000084F000-memory.dmp
memory/4284-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4284-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5032-65-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-87-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-59-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-68-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-71-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-74-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-77-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/5032-81-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-84-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-62-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-90-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-93-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-96-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-99-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-100-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/5032-101-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/5032-105-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5032-108-0x0000000000400000-0x000000000084F000-memory.dmp