Analysis
- max time kernel
147s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
24/06/2024, 00:25
General
- Target 609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.exe
- Size 5.4MB
- Sample240624-aqvadstenl
- SHA256 609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097
Malware Config
Extracted
-
socks5systemz
-
bnbpixu.com
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Unexpected DNS network traffic destination 3 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\609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.exe"C:\Users\Admin\AppData\Local\Temp\609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-79COC.tmp\609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.tmp"C:\Users\Admin\AppData\Local\Temp\is-79COC.tmp\609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.tmp" /SL5="$40218,5390624,54272,C:\Users\Admin\AppData\Local\Temp\609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Sound Recorder\soundrecorder32_64.exe"C:\Users\Admin\AppData\Local\Free Sound Recorder\soundrecorder32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Sound Recorder\soundrecorder32_64.exe"C:\Users\Admin\AppData\Local\Free Sound Recorder\soundrecorder32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
soundrecorder32_64.exe
609c941c88e8c3a74a478940b58bc7a1d4c686acc30b14df3ab120265b695097.tmp
_iscrypt.dll
_isdecmp.dll
memory/772-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/772-19-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2736-93-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-99-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-120-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-117-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-114-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-73-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-111-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-108-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-76-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-79-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-80-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-83-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-86-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-89-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-91-0x0000000002510000-0x00000000025B2000-memory.dmp
memory/2736-105-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/2736-102-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3820-65-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3820-69-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3820-70-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/3820-66-0x0000000000400000-0x00000000006D4000-memory.dmp
memory/4288-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4288-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4288-74-0x0000000000400000-0x0000000000414000-memory.dmp