Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 13:11
General
- Target 815296be88e364a036f9d63f88aa39bd.exe
- Size 3.8MB
- Sample240731-qext5szaje
- SHA256 e609e82d949e7d651a97dc59c7e3c9c32bc1e2ba51dc2c3cd474f75af40e69e0
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\815296be88e364a036f9d63f88aa39bd.exe"C:\Users\Admin\AppData\Local\Temp\815296be88e364a036f9d63f88aa39bd.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-L45DM.tmp\815296be88e364a036f9d63f88aa39bd.tmp"C:\Users\Admin\AppData\Local\Temp\is-L45DM.tmp\815296be88e364a036f9d63f88aa39bd.tmp" /SL5="$5022C,3760408,54272,C:\Users\Admin\AppData\Local\Temp\815296be88e364a036f9d63f88aa39bd.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\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.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
midi2mp3converter.exe
_iscrypt.dll
815296be88e364a036f9d63f88aa39bd.tmp
memory/1408-88-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-72-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-107-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-104-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-100-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-97-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-94-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-59-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-91-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-85-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-63-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-66-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-69-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-82-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-75-0x0000000000400000-0x000000000082F000-memory.dmp
memory/1408-78-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/2772-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2772-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4596-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4596-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4596-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4840-55-0x0000000000400000-0x000000000082F000-memory.dmp
memory/4840-57-0x0000000000400000-0x000000000082F000-memory.dmp
memory/4840-53-0x0000000000400000-0x000000000082F000-memory.dmp
memory/4840-52-0x0000000000400000-0x000000000082F000-memory.dmp