Analysis
- max time kernel
142s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 01:38
General
- Target 460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.exe
- Size 4.0MB
- Sample240802-b2lcasxhlm
- SHA256 460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4
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\460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.exe"C:\Users\Admin\AppData\Local\Temp\460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6HOGU.tmp\460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.tmp"C:\Users\Admin\AppData\Local\Temp\is-6HOGU.tmp\460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.tmp" /SL5="$50278,3919812,54272,C:\Users\Admin\AppData\Local\Temp\460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.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
-
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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
460532bce77c6d0fd1657631baca226960cef5edd840b9f79c149b0a072b33b4.tmp
memory/2788-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2788-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2788-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3192-52-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3192-53-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3192-56-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3192-57-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-66-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-80-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-107-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-63-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-104-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-69-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-72-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-75-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-77-0x0000000000AF0000-0x0000000000B92000-memory.dmp
memory/3280-59-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-85-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-88-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-91-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-94-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-97-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3280-101-0x0000000000400000-0x000000000084C000-memory.dmp
memory/3740-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3740-62-0x0000000000400000-0x00000000004BD000-memory.dmp