Analysis
- max time kernel
143s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 02:21
General
- Target c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.exe
- Size 3.9MB
- Sample240802-cs7dvavelb
- SHA256 c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3
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\c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.exe"C:\Users\Admin\AppData\Local\Temp\c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-U4IQ9.tmp\c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.tmp"C:\Users\Admin\AppData\Local\Temp\is-U4IQ9.tmp\c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.tmp" /SL5="$50280,3856360,54272,C:\Users\Admin\AppData\Local\Temp\c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.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\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
qualitymp3modifier.exe
_iscrypt.dll
c43535d87c0a2a1d87a09d6835c0c68d3033dbaa5ff89a67ebe6886926b873b3.tmp
memory/1956-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1956-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1956-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3688-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3688-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4828-52-0x0000000000400000-0x000000000084F000-memory.dmp
memory/4828-53-0x0000000000400000-0x000000000084F000-memory.dmp
memory/4828-55-0x0000000000400000-0x000000000084F000-memory.dmp
memory/4828-57-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-66-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-82-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-59-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-69-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-72-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-75-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-78-0x0000000000B40000-0x0000000000BE2000-memory.dmp
memory/5024-63-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-85-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-88-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-91-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-94-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-97-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-100-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-104-0x0000000000400000-0x000000000084F000-memory.dmp
memory/5024-107-0x0000000000400000-0x000000000084F000-memory.dmp