Analysis
- max time kernel
90s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
31/08/2022, 04:35
General
- Target start.exe
- Size 4.0MB
- Sample220831-e7qezsaef7
- SHA256 a54ac89930406913a3b0b3b8e3ef738135a9b7fa54b01578f870e26ee9f99efb
Score
10/10
Malware Config
Signatures
- YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
- YTStealer payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\start.exe"C:\Users\Admin\AppData\Local\Temp\start.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell "" "Get-WmiObject Win32_PortConnector"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4304-135-0x000002CAA88F0000-0x000002CAA8912000-memory.dmp
memory/4304-136-0x00007FFB60370000-0x00007FFB60E31000-memory.dmp
memory/5056-132-0x00000000000A0000-0x0000000000EB2000-memory.dmp
memory/5056-133-0x00000000000A0000-0x0000000000EB2000-memory.dmp
memory/5056-137-0x00000000000A0000-0x0000000000EB2000-memory.dmp