Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
29/05/2024, 05:45
General
- Target f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.exe
- Size 5.6MB
- Sample240529-gf7lascd2v
- SHA256 f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1
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\f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.exe"C:\Users\Admin\AppData\Local\Temp\f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3HVI9.tmp\f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.tmp"C:\Users\Admin\AppData\Local\Temp\is-3HVI9.tmp\f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.tmp" /SL5="$50216,5639945,54272,C:\Users\Admin\AppData\Local\Temp\f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Ringtone Maker\freeringtonemaker.exe"C:\Users\Admin\AppData\Local\Free Ringtone Maker\freeringtonemaker.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Ringtone Maker\freeringtonemaker.exe"C:\Users\Admin\AppData\Local\Free Ringtone Maker\freeringtonemaker.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
freeringtonemaker.exe
f3d92e34c7d5708a8906e6f76efff9c2caa17a51d111849ef1ebf7a7d85e00f1.tmp
_iscrypt.dll
_isdecmp.dll
memory/1608-65-0x0000000000400000-0x0000000000716000-memory.dmp
memory/1608-68-0x0000000000400000-0x0000000000716000-memory.dmp
memory/1608-69-0x0000000000400000-0x0000000000716000-memory.dmp
memory/2028-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2028-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2028-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3468-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3468-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4704-79-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-102-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-73-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-82-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-85-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-88-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-90-0x0000000002560000-0x0000000002602000-memory.dmp
memory/4704-94-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-99-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-76-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-105-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-108-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-111-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-114-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-115-0x0000000002560000-0x0000000002602000-memory.dmp
memory/4704-116-0x0000000002560000-0x0000000002602000-memory.dmp
memory/4704-120-0x0000000000400000-0x0000000000716000-memory.dmp
memory/4704-123-0x0000000000400000-0x0000000000716000-memory.dmp