Overview

overview

7

Static

static

ad8a61f8b0...23.exe

windows7-x64

7

ad8a61f8b0...23.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    181s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 19:08

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General

  • Target

    ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

  • Size

    125KB

  • MD5

    35f3e2fb0aa1b9e553a17c3b4f562f30

  • SHA1

    578247e11932adb095d71e566e87746d869f4a3e

  • SHA256

    ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23

  • SHA512

    a902d709a06154c641244b63ecd1948930ec51a054a1602c7d8aa877ed49d7bdb1fbdd4c6c3056493c1b76c8a1e579094dcaa3701aa43b066035bf43e6a6357a

  • SSDEEP

    1536:TIfsgr/bNdnZcOBQP6LAlUnhnLrirdb8+gXygMRV2zH3XgyCPq2KQPXgyFWaajVd:TIkgTbNdn7ULg8V2zXKv9GsIF/lg7U

Score
7/10
persistence

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
    adwarespyware
  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
    "C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
      C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3420
    • C:\Windows\SysWOW64\regedit.exe
      regedit /s C:\1.reg
      2⤵
      • Adds Run key to start application
      • Runs .reg file with regedit
      PID:1664

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • C:\1.reg
    Filesize

    173B

    MD5

    f112c2d0bc596b872d4f02e0ef795e93

    SHA1

    b5ecaa7630fccf37970d8be30fc27c113c292ddd

    SHA256

    4e504983ed9de8ba4ed1ecaf4d10d739d53781d9495de686879a635ecf70acc8

    SHA512

    3344756239e2f5953cded4a4116b5a8d350d101830c8e17e0c89a86d644c1ecf33620b40c104b2ea6aeaa0b9265a534e4659c3ca80ae1d83f6ba90f4e448dbb8

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