Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 14:06
General
- Target 025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.exe
- Size 4.8MB
- Sample240612-revv8a1flr
- SHA256 025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0
Malware Config
Extracted
-
socks5systemz
-
ayqoomi.ru
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 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\025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.exe"C:\Users\Admin\AppData\Local\Temp\025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-UCN75.tmp\025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.tmp"C:\Users\Admin\AppData\Local\Temp\is-UCN75.tmp\025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.tmp" /SL5="$4021C,4779156,54272,C:\Users\Admin\AppData\Local\Temp\025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.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
Loading Replay Monitor...
Downloads
_iscrypt.dll
025d0d86a0f636647681f95d1b9db3067fc854b81925915680118ae586b80cf0.tmp
virtualsoundcard32.exe
memory/672-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/672-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1580-59-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/1580-60-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/1580-63-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/1580-65-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/3228-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3228-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3228-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4832-74-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-88-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-68-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-77-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-80-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-83-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-87-0x00000000028D0000-0x0000000002972000-memory.dmp
memory/4832-71-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-94-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-97-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-100-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-103-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-106-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-109-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-112-0x0000000000400000-0x00000000006E4000-memory.dmp
memory/4832-115-0x0000000000400000-0x00000000006E4000-memory.dmp