Analysis
- max time kernel
141s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
03/06/2024, 18:16
General
- Target c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.exe
- Size 6.2MB
- Sample240603-wwtrpsfg25
- SHA256 c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 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\c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.exe"C:\Users\Admin\AppData\Local\Temp\c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-QJ3IC.tmp\c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.tmp"C:\Users\Admin\AppData\Local\Temp\is-QJ3IC.tmp\c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.tmp" /SL5="$A013E,6214401,54272,C:\Users\Admin\AppData\Local\Temp\c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.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
c8b7e89a23ec3a8f1f9634d9681b4681c56995eb97007edb71b902e62e685f32.tmp
memory/1148-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1148-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2276-60-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2276-59-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2276-65-0x0000000000400000-0x000000000089D000-memory.dmp
memory/2276-64-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4124-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4124-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4124-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4892-74-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-88-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-68-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-77-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-80-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-83-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-84-0x00000000026E0000-0x0000000002782000-memory.dmp
memory/4892-71-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-93-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-96-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-99-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-102-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-105-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-108-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-112-0x0000000000400000-0x000000000089D000-memory.dmp
memory/4892-115-0x0000000000400000-0x000000000089D000-memory.dmp