Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
04/06/2024, 01:38
General
- Target 7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.exe
- Size 6.3MB
- Sample240604-b2rjbahe73
- SHA256 7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0
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\7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.exe"C:\Users\Admin\AppData\Local\Temp\7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-IUK6N.tmp\7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.tmp"C:\Users\Admin\AppData\Local\Temp\is-IUK6N.tmp\7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.tmp" /SL5="$901B8,6315470,54272,C:\Users\Admin\AppData\Local\Temp\7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mixability32_64.exe
_iscrypt.dll
7123f3e5176c33df729cf10d1ca009334a02ecc0ed505303bff8b3114f4d22c0.tmp
memory/4072-98-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-82-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-120-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-117-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-66-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-113-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/4072-112-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/4072-111-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-68-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-108-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-105-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-71-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-102-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-75-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-99-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-76-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-88-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-85-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-79-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4072-89-0x0000000000BC0000-0x0000000000C62000-memory.dmp
memory/4072-95-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4292-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4292-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4292-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4844-72-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4844-59-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4844-63-0x0000000000400000-0x000000000047E000-memory.dmp
memory/4844-62-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4844-64-0x0000000000400000-0x00000000008BD000-memory.dmp
memory/4864-14-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4864-70-0x0000000000400000-0x00000000004BA000-memory.dmp