Analysis
- max time kernel
146s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
05/06/2024, 07:56
General
- Target ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.exe
- Size 6.1MB
- Sample240605-jsrfysba56
- SHA256 ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea
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\ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.exe"C:\Users\Admin\AppData\Local\Temp\ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3322G.tmp\ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.tmp"C:\Users\Admin\AppData\Local\Temp\is-3322G.tmp\ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.tmp" /SL5="$4020C,6113290,54272,C:\Users\Admin\AppData\Local\Temp\ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe"C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe"C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
galaxymusicstudio.exe
ef2214ea0283b9a601605a1aeff2d566297e462f60f17e92b3b3a99c2bf95aea.tmp
_iscrypt.dll
memory/2248-59-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2248-64-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2248-62-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-76-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-85-0x0000000000BF0000-0x0000000000C92000-memory.dmp
memory/2576-117-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-67-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-114-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-110-0x0000000000BF0000-0x0000000000C92000-memory.dmp
memory/2576-70-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-73-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-109-0x0000000000BF0000-0x0000000000C92000-memory.dmp
memory/2576-79-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-82-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-108-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-88-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-93-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-96-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-99-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-102-0x0000000000400000-0x0000000000862000-memory.dmp
memory/2576-105-0x0000000000400000-0x0000000000862000-memory.dmp
memory/3140-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3140-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3152-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3152-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3152-2-0x0000000000401000-0x000000000040B000-memory.dmp