Analysis
- max time kernel
296s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 23:28
General
- Target c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.exe
- Size 4.6MB
- Sample240530-3f2kyaeb4w
- SHA256 c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7
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 2 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).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.exe"C:\Users\Admin\AppData\Local\Temp\c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-R0GLC.tmp\c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.tmp"C:\Users\Admin\AppData\Local\Temp\is-R0GLC.tmp\c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.tmp" /SL5="$901FC,4524270,54272,C:\Users\Admin\AppData\Local\Temp\c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe"C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe"C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
c83ef9d69f90cc166514e6914b2ee9a7a900fa941d801f152f26cb214e45bce7.tmp
vaervideorecorder.exe
_iscrypt.dll
memory/628-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/628-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/628-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2220-99-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-93-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-126-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-123-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-120-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-68-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-71-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-74-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-77-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-80-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-83-0x00000000008D0000-0x0000000000972000-memory.dmp
memory/2220-85-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-90-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-117-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-96-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-114-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-102-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-105-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-108-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2220-111-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/2620-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2620-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4776-60-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/4776-59-0x0000000000400000-0x00000000006B8000-memory.dmp
memory/4776-63-0x0000000000400000-0x00000000006B8000-memory.dmp