Analysis
- max time kernel
142s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 02:21
General
- Target c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.exe
- Size 3.8MB
- Sample240802-cs4b7avekg
- SHA256 c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84
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\c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.exe"C:\Users\Admin\AppData\Local\Temp\c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J13D5.tmp\c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.tmp"C:\Users\Admin\AppData\Local\Temp\is-J13D5.tmp\c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.tmp" /SL5="$7004C,3762092,54272,C:\Users\Admin\AppData\Local\Temp\c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.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
c3c4e83c24b66eb5dd53bce4b13d62da7197e37bb67e4bd39b548f2f788c2c84.tmp
_iscrypt.dll
memory/1476-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1476-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1476-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2200-52-0x0000000000400000-0x000000000081D000-memory.dmp
memory/2200-53-0x0000000000400000-0x000000000081D000-memory.dmp
memory/2200-55-0x0000000000400000-0x000000000081D000-memory.dmp
memory/2200-57-0x0000000000400000-0x000000000081D000-memory.dmp
memory/2524-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2524-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4144-66-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-82-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-60-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-69-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-72-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-75-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-78-0x0000000000AC0000-0x0000000000B62000-memory.dmp
memory/4144-63-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-85-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-88-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-91-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-94-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-97-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-100-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-104-0x0000000000400000-0x000000000081D000-memory.dmp
memory/4144-107-0x0000000000400000-0x000000000081D000-memory.dmp