Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
02/06/2024, 12:07
General
- Target 3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.exe
- Size 6.8MB
- Sample240602-paaclsda35
- SHA256 3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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\3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.exe"C:\Users\Admin\AppData\Local\Temp\3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-I875I.tmp\3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.tmp"C:\Users\Admin\AppData\Local\Temp\is-I875I.tmp\3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.tmp" /SL5="$40216,6827288,54272,C:\Users\Admin\AppData\Local\Temp\3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
3378409c32d416bd2e3ae1b108a33684234d6a52fac3210f9d34b90c0ccc4bb4.tmp
_iscrypt.dll
_isdecmp.dll
voicechangeremerald32.exe
memory/408-106-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-84-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-124-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-121-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-117-0x0000000000C20000-0x0000000000CC2000-memory.dmp
memory/408-116-0x0000000000C20000-0x0000000000CC2000-memory.dmp
memory/408-74-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-73-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-115-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-112-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-77-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-80-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-81-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-109-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-87-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-90-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-93-0x0000000000C20000-0x0000000000CC2000-memory.dmp
memory/408-97-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-100-0x0000000000400000-0x0000000000892000-memory.dmp
memory/408-103-0x0000000000400000-0x0000000000892000-memory.dmp
memory/1064-69-0x0000000000400000-0x0000000000892000-memory.dmp
memory/1064-66-0x0000000000400000-0x0000000000892000-memory.dmp
memory/1064-65-0x0000000000400000-0x0000000000892000-memory.dmp
memory/2092-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2092-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3376-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3376-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3376-3-0x0000000000401000-0x000000000040B000-memory.dmp