Analysis
- max time kernel
293s - max time network
285s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
30/05/2024, 22:44
General
- Target 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe
- Size 4.8MB
- Sample240530-2n8tjsde39
- SHA256 34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0MDUH.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp"C:\Users\Admin\AppData\Local\Temp\is-0MDUH.tmp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp" /SL5="$4010A,4804141,54272,C:\Users\Admin\AppData\Local\Temp\34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
stereotool32.exe
34c4ca578767f7d200e234c01c3c6d77c3bca86982867122866fce3400335642.tmp
_iscrypt.dll
_shfoldr.dll
memory/2296-9-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2296-62-0x00000000040C0000-0x00000000043BF000-memory.dmp
memory/2296-79-0x00000000040C0000-0x00000000043BF000-memory.dmp
memory/2296-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2444-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2444-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2444-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2540-105-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-99-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-136-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-76-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-133-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-80-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-83-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-86-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-89-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-92-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-93-0x0000000002230000-0x00000000022D2000-memory.dmp
memory/2540-72-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-102-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-130-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-108-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-111-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-114-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-117-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-120-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-123-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2540-127-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2876-65-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2876-66-0x0000000000400000-0x00000000006FF000-memory.dmp
memory/2876-70-0x0000000000400000-0x00000000006FF000-memory.dmp