Analysis

  • max time kernel
    151s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 14:23

General

  • Target

    bef946ec59fa7b806b67b027a940287b77590630e038b902bc5967efc2f6881f.exe

  • Size

    831KB

  • MD5

    04f7b8163a218e4dbcc7d8a9479cb739

  • SHA1

    d2bf3a717deb1f49d36d0c0e918c3f3c45fc49d2

  • SHA256

    bef946ec59fa7b806b67b027a940287b77590630e038b902bc5967efc2f6881f

  • SHA512

    31ee16be2a89a0eec08f12b5316855948dbd6ba9d3261b6248affb3ee99eba1660d3f735cb754828b9388a4e9dec17c0a8aa14ba0a6ba6199cb1c606feaa072b

  • SSDEEP

    12288:mDVRiqZ+LrOR525OLCl/3NmTbTH4rkXGD9vT1kBLszGOfxbA4Y1yyQy8ZwhVJoS:mhgGVR459/9mru2GRyLWF5Y1Ay2aV

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bef946ec59fa7b806b67b027a940287b77590630e038b902bc5967efc2f6881f.exe
    "C:\Users\Admin\AppData\Local\Temp\bef946ec59fa7b806b67b027a940287b77590630e038b902bc5967efc2f6881f.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

          Filesize

          8KB

        • memory/1464-55-0x0000000000C40000-0x0000000000C43000-memory.dmp

          Filesize

          12KB

        • memory/1464-56-0x0000000000400000-0x0000000000A35000-memory.dmp

          Filesize

          6.2MB

        • memory/1464-59-0x0000000000C40000-0x0000000000C43000-memory.dmp

          Filesize

          12KB

        • memory/1464-58-0x0000000000400000-0x0000000000A35000-memory.dmp

          Filesize

          6.2MB

        • memory/1464-60-0x0000000000400000-0x0000000000A35000-memory.dmp

          Filesize

          6.2MB