Analysis
- max time kernel
141s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
29/05/2024, 00:04
General
- Target 22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.exe
- Size 4.7MB
- Sample240529-ac3plsaa2y
- SHA256 22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00
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.
- 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\22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.exe"C:\Users\Admin\AppData\Local\Temp\22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J8M2U.tmp\22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.tmp"C:\Users\Admin\AppData\Local\Temp\is-J8M2U.tmp\22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.tmp" /SL5="$4020E,4627027,54272,C:\Users\Admin\AppData\Local\Temp\22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.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
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Downloads
stereotool32.exe
_iscrypt.dll
22a00ff8bee7f7c7f26c9e72c5a85a8cb1840cb0d843abbd247b6f45349d6c00.tmp
memory/564-97-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-100-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-118-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-115-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-111-0x00000000024E0000-0x0000000002582000-memory.dmp
memory/564-110-0x00000000024E0000-0x0000000002582000-memory.dmp
memory/564-68-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-109-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-106-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-103-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-71-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-74-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-77-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-80-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-83-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-86-0x00000000024E0000-0x0000000002582000-memory.dmp
memory/564-89-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/564-94-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/772-60-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/772-65-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/772-64-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/772-59-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/3604-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3604-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3604-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3704-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3704-70-0x0000000000400000-0x00000000004BA000-memory.dmp