Analysis
- max time kernel
291s - max time network
302s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/06/2024, 01:29
General
- Target c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.exe
- Size 6.5MB
- Sample240607-bwe84agd23
- SHA256 c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca
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\c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.exe"C:\Users\Admin\AppData\Local\Temp\c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-964UT.tmp\c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.tmp"C:\Users\Admin\AppData\Local\Temp\is-964UT.tmp\c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.tmp" /SL5="$60234,6581890,54272,C:\Users\Admin\AppData\Local\Temp\c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
c1a2621e7076571dc0b22669090eaf5af52148263abbb6cc9910c3c69dca42ca.tmp
voicechangeremerald.exe
_iscrypt.dll
memory/1212-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1212-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2444-106-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-86-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-66-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-127-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-124-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-121-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-118-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-69-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-72-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-75-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-78-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-81-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-82-0x0000000000CA0000-0x0000000000D42000-memory.dmp
memory/2444-115-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-91-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-94-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-97-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-100-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-103-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-112-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2444-107-0x0000000000CA0000-0x0000000000D42000-memory.dmp
memory/2444-108-0x0000000000CA0000-0x0000000000D42000-memory.dmp
memory/2644-63-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2644-59-0x0000000000400000-0x000000000092A000-memory.dmp
memory/2644-60-0x0000000000400000-0x000000000092A000-memory.dmp
memory/4912-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4912-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4912-0-0x0000000000400000-0x0000000000414000-memory.dmp