Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 22:31

General

  • Target

    868ec6275059f31c0697af8a27425103ce619ae596a4887e7fc9dfcf15facae1.exe

  • Size

    248KB

  • MD5

    a725121a14036dc6f0ab0622c236e5bc

  • SHA1

    2ea558a641259cfeeb09e2cc141e26b7269218c8

  • SHA256

    868ec6275059f31c0697af8a27425103ce619ae596a4887e7fc9dfcf15facae1

  • SHA512

    b8e409e3a06e6f49a3647d07a75a62378d0a22169d3af77354963b4b0d6bfe08b20ebb1dace74d42ae33442b84c7d10a16f4ffbbbdf72edc07210382c03ebf46

  • SSDEEP

    3072:OkCBqqAC7mA+axnCA5d0Aigd/K6h1zyo0HRKFzRMgiwicoutZMJM:OkCTAdAlnCAjtnZ7h4oYRKJROwicoS

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\868ec6275059f31c0697af8a27425103ce619ae596a4887e7fc9dfcf15facae1.exe
    "C:\Users\Admin\AppData\Local\Temp\868ec6275059f31c0697af8a27425103ce619ae596a4887e7fc9dfcf15facae1.exe"
    1⤵
    • Adds Run key to start application
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:1700
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x490
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1556

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1700-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

          Filesize

          8KB

        • memory/1700-55-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1700-66-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB