Analysis
- max time kernel
147s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
29/05/2024, 22:29
General
- Target 0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.exe
- Size 5.9MB
- Sample240529-2elbwsdb45
- SHA256 0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32
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\0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.exe"C:\Users\Admin\AppData\Local\Temp\0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-1RUAL.tmp\0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.tmp"C:\Users\Admin\AppData\Local\Temp\is-1RUAL.tmp\0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.tmp" /SL5="$60060,5956104,54272,C:\Users\Admin\AppData\Local\Temp\0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe"C:\Users\Admin\AppData\Local\Ringtone Maker FE\ringtonemakerfe.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ringtonemakerfe.exe
0ea34a7c588eed4991e3e550c1a5cc3b07c4f353752bf22ef99fc1377f241b32.tmp
_iscrypt.dll
_isdecmp.dll
memory/1956-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1956-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2556-104-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-107-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-125-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-122-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-118-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2556-73-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-74-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-117-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2556-116-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-77-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-78-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-81-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-84-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-87-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-90-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-91-0x00000000025C0000-0x0000000002662000-memory.dmp
memory/2556-96-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-101-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-113-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2556-110-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2720-65-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2720-69-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2720-70-0x0000000000400000-0x0000000000760000-memory.dmp
memory/2720-67-0x0000000000400000-0x0000000000760000-memory.dmp
memory/4432-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4432-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4432-75-0x0000000000400000-0x0000000000414000-memory.dmp