Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 01:46
General
- Target 9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.exe
- Size 3.9MB
- Sample240802-b69wfsybrm
- SHA256 9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96
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\9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.exe"C:\Users\Admin\AppData\Local\Temp\9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-T6970.tmp\9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.tmp"C:\Users\Admin\AppData\Local\Temp\is-T6970.tmp\9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.tmp" /SL5="$1001C2,3844754,54272,C:\Users\Admin\AppData\Local\Temp\9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.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
9364698aabc3bc3b4882baa2a468dbded4663fb172a39e9a87641d0321f05c96.tmp
memory/1736-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1736-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2284-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2284-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2284-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3608-52-0x0000000000400000-0x0000000000849000-memory.dmp
memory/3608-55-0x0000000000400000-0x0000000000849000-memory.dmp
memory/3608-57-0x0000000000400000-0x0000000000849000-memory.dmp
memory/3608-53-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-66-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-88-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-60-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-69-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-72-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-75-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-78-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4140-82-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-85-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-63-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-91-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-94-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-97-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-100-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-102-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4140-101-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/4140-106-0x0000000000400000-0x0000000000849000-memory.dmp
memory/4140-109-0x0000000000400000-0x0000000000849000-memory.dmp