Analysis
- max time kernel
141s - max time network
128s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
15/10/2024, 14:06
General
- Target 69c6e8487e188d5cd90bc90d79447d38.exe
- Size 4.0MB
- Sample241015-redxpsserj
- SHA256 e3bbd28dc17872105868334189a332fbf6836677d7d0d8591f9280d0af872c8a
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 5 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\69c6e8487e188d5cd90bc90d79447d38.exe"C:\Users\Admin\AppData\Local\Temp\69c6e8487e188d5cd90bc90d79447d38.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4D5FD.tmp\is-1A050.tmp"C:\Users\Admin\AppData\Local\Temp\is-4D5FD.tmp\is-1A050.tmp" /SL4 $30130 "C:\Users\Admin\AppData\Local\Temp\69c6e8487e188d5cd90bc90d79447d38.exe" 3920105 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\VEX Video Extensions\vexvideoextensions32.exe"C:\Users\Admin\AppData\Local\VEX Video Extensions\vexvideoextensions32.exe" -i3⤵
- 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
is-1A050.tmp
_iscrypt.dll
_shfoldr.dll
vexvideoextensions32.exe
memory/2144-90-0x0000000000400000-0x0000000000413000-memory.dmp
memory/2144-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/2144-3-0x0000000000401000-0x000000000040A000-memory.dmp
memory/2244-9-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/2244-83-0x0000000003A70000-0x0000000003D17000-memory.dmp
memory/2244-118-0x0000000003A70000-0x0000000003D17000-memory.dmp
memory/2244-89-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/2772-85-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-117-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-95-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-98-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-101-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-104-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-107-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-108-0x0000000002920000-0x00000000029C2000-memory.dmp
memory/2772-114-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-92-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-86-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-121-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-124-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-127-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-130-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-134-0x0000000000400000-0x00000000006A7000-memory.dmp
memory/2772-137-0x0000000000400000-0x00000000006A7000-memory.dmp