Analysis
- max time kernel
143s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 01:34
General
- Target 35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.exe
- Size 3.8MB
- Sample240802-bzerqsxgkl
- SHA256 35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614
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\35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.exe"C:\Users\Admin\AppData\Local\Temp\35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-MCGJ6.tmp\35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.tmp"C:\Users\Admin\AppData\Local\Temp\is-MCGJ6.tmp\35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.tmp" /SL5="$7004C,3704836,54272,C:\Users\Admin\AppData\Local\Temp\35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.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
35c1dd0c091271adcb8ebee5db2be736f14e48afdb05076191f6160cc020f614.tmp
memory/464-52-0x0000000000400000-0x000000000081A000-memory.dmp
memory/464-53-0x0000000000400000-0x000000000081A000-memory.dmp
memory/464-55-0x0000000000400000-0x000000000081A000-memory.dmp
memory/464-56-0x0000000000400000-0x000000000081A000-memory.dmp
memory/688-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/688-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/688-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2232-65-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-79-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-108-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-62-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-105-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-68-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-71-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-74-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-77-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/2232-58-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-84-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-87-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-90-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-93-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-96-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-99-0x0000000000400000-0x000000000081A000-memory.dmp
memory/2232-100-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/2232-101-0x0000000000970000-0x0000000000A12000-memory.dmp
memory/5032-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/5032-61-0x0000000000400000-0x00000000004BD000-memory.dmp