Analysis
- max time kernel
144s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 03:46
General
- Target a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.exe
- Size 4.0MB
- Sample240802-ebxjesvanq
- SHA256 a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26
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\a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.exe"C:\Users\Admin\AppData\Local\Temp\a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OPMMA.tmp\a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.tmp"C:\Users\Admin\AppData\Local\Temp\is-OPMMA.tmp\a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.tmp" /SL5="$7005E,3907011,54272,C:\Users\Admin\AppData\Local\Temp\a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.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
-
-
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
a51b75ef6b4fb020c834b8d1b58c11de532ee6171ea94a645f5986630332de26.tmp
memory/1384-86-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-70-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-108-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-105-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-101-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-98-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-95-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-60-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-92-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-89-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-63-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-66-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-67-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-80-0x0000000000A50000-0x0000000000AF2000-memory.dmp
memory/1384-73-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-76-0x0000000000400000-0x000000000084F000-memory.dmp
memory/1384-79-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3360-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3360-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3476-57-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3476-54-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3476-53-0x0000000000400000-0x000000000084F000-memory.dmp
memory/3476-52-0x0000000000400000-0x000000000084F000-memory.dmp
memory/4416-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4416-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4416-2-0x0000000000401000-0x000000000040B000-memory.dmp