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Resubmissions

16/09/2024, 00:20

240916-am1yrszfnp 7

27/08/2024, 02:41

240827-c6tpxa1amm 7

25/08/2024, 21:44

240825-1lgrlsycjn 7

Analysis

  • max time kernel
    127s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2024, 02:41

General

  • Target

    instalar.bat

  • Size

    723B

  • MD5

    703a2827ebab01c16b4f9b8f079a2fcd

  • SHA1

    6ae6cbd62274a7cd56049838758332801e4650e1

  • SHA256

    8410c88626348bdc1a9600458b2f2865427bec8fd6ac6b6320d9554afe41de61

  • SHA512

    52f91b51108d6bdff7649ac77c406b95e609489482695cb147e4a22347b46013ce3563700adeb4be4637212d112db0b87397a14d26903c4e98e96a53fc9213f7

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\instalar.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\system32\timeout.exe
      timeout /t 2 /nobreak
      2⤵
      • Delays execution with timeout.exe
      PID:3380
  • C:\Windows\system32\mstsc.exe
    "C:\Windows\system32\mstsc.exe"
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2188
  • C:\Windows\System32\CredentialUIBroker.exe
    "C:\Windows\System32\CredentialUIBroker.exe" NonAppContainerFailedMip -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4604
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
    1⤵
      PID:228
    • C:\Windows\System32\CredentialUIBroker.exe
      "C:\Windows\System32\CredentialUIBroker.exe" NonAppContainerFailedMip -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:2152
    • C:\Windows\System32\CredentialUIBroker.exe
      "C:\Windows\System32\CredentialUIBroker.exe" NonAppContainerFailedMip -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:3404

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads