Analysis
- max time kernel
143s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
04/06/2024, 10:07
General
- Target 304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.exe
- Size 6.1MB
- Sample240604-l52tkach3v
- SHA256 304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68
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\304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.exe"C:\Users\Admin\AppData\Local\Temp\304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5RJ1R.tmp\304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.tmp"C:\Users\Admin\AppData\Local\Temp\is-5RJ1R.tmp\304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.tmp" /SL5="$4021E,6107467,54272,C:\Users\Admin\AppData\Local\Temp\304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioamplifier.exe
304a6b998498ff4b6601ef218fc85f5342bd35539c124488a3aa178ff0808a68.tmp
_iscrypt.dll
memory/500-60-0x0000000000400000-0x000000000088A000-memory.dmp
memory/500-63-0x0000000000400000-0x000000000088A000-memory.dmp
memory/500-65-0x0000000000400000-0x000000000088A000-memory.dmp
memory/500-59-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-74-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-86-0x0000000000B80000-0x0000000000C22000-memory.dmp
memory/1784-117-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-68-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-114-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-110-0x0000000000B80000-0x0000000000C22000-memory.dmp
memory/1784-71-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-109-0x0000000000B80000-0x0000000000C22000-memory.dmp
memory/1784-77-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-80-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-83-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-108-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-90-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-93-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-96-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-99-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-102-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1784-105-0x0000000000400000-0x000000000088A000-memory.dmp
memory/3816-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3816-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4528-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4528-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4528-3-0x0000000000401000-0x000000000040B000-memory.dmp