Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 01:41
General
- Target 82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.exe
- Size 4.6MB
- Sample240612-b4fjtsyalm
- SHA256 82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b
Malware Config
Extracted
-
socks5systemz
-
aaxewue.ru
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 19 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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\82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.exe"C:\Users\Admin\AppData\Local\Temp\82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-50PAV.tmp\82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.tmp"C:\Users\Admin\AppData\Local\Temp\is-50PAV.tmp\82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.tmp" /SL5="$7011E,4591553,54272,C:\Users\Admin\AppData\Local\Temp\82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
82eeb1ef814f784c6b4a3fb91de8f6ad837ca2a3f42b080e88d1fe935012cf4b.tmp
virtualsoundcard32.exe
memory/2976-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2976-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4552-63-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4552-59-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4552-60-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4552-65-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-72-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-88-0x0000000000950000-0x00000000009F2000-memory.dmp
memory/4728-69-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-117-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-114-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-111-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-75-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-76-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-79-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-82-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-85-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-67-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-90-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-96-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-99-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-102-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-105-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4728-108-0x0000000000400000-0x00000000006C0000-memory.dmp
memory/4964-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4964-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4964-70-0x0000000000400000-0x0000000000414000-memory.dmp