Overview

overview

10

Static

static

3

AvastSvcZE...th.dat

windows10-2004-x64

7

AvastSvcZE...vc.exe

windows10-2004-x64

10

AvastSvcZEg/wsc.dll

windows10-2004-x64

3

Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 10:19

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General

  • Target

    AvastSvcZEg/AvastAuth.dat

  • Size

    160KB

  • MD5

    53830fe278811363f93e0906d8b5ce69

  • SHA1

    b133578af848e10500cc8b943483ed71e86a713a

  • SHA256

    8ec409c1537e3030405bc8f8353d2605d1e88f1b245554383682f3aa8b5100ec

  • SHA512

    c87497b49d2924be200053495074e16d82fdc875ecdcd231e185479901020c176c2a478c52eea55a9908fe3605ed3d5b2037fa4c83248d4d2bfea45f9f03dc37

  • SSDEEP

    3072:4NZDIHsDYhxMxRpyfGZpUOJR6UfzhgAN6f8HQJCKJUn/:4NZQsskdEGvH4IzhgnUH+dU/

Score
7/10
discoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Modifies system executable filetype association 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 30 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\AvastSvcZEg\AvastAuth.dat
    1⤵
      PID:3984
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4708
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5108
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe
        "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\OneDrive.exe"
        1⤵
        • Modifies system executable filetype association
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1852

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads