Analysis
- max time kernel
112s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/08/2024, 22:58
General
- Target 14fd83efa15721e152b8f8fec9af80e0N.exe
- Size 4.7MB
- Sample240802-2x23csydnh
- SHA256 5c37bbaf5ef64b987f5e7d2e7ab5696b945ec6b2418e35e476354ed06974d0df
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
- 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\14fd83efa15721e152b8f8fec9af80e0N.exe"C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp"C:\Users\Admin\AppData\Local\Temp\is-EAEMO.tmp\14fd83efa15721e152b8f8fec9af80e0N.tmp" /SL5="$90060,4634103,54272,C:\Users\Admin\AppData\Local\Temp\14fd83efa15721e152b8f8fec9af80e0N.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\directmidi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.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\directmidi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\directmidi2mp3converter.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
directmidi2mp3converter.exe
14fd83efa15721e152b8f8fec9af80e0N.tmp
_iscrypt.dll
_isdecmp.dll
memory/860-79-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-85-0x0000000000B20000-0x0000000000BC2000-memory.dmp
memory/860-104-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-101-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-98-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-95-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-92-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-66-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-89-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-82-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-69-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-72-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-73-0x0000000000400000-0x000000000084F000-memory.dmp
memory/860-76-0x0000000000400000-0x000000000084F000-memory.dmp
memory/880-63-0x0000000000400000-0x000000000084F000-memory.dmp
memory/880-59-0x0000000000400000-0x000000000084F000-memory.dmp
memory/880-61-0x0000000000400000-0x000000000084F000-memory.dmp
memory/880-58-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1468-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1468-7-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2932-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2932-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2932-2-0x0000000000401000-0x000000000040B000-memory.dmp