Analysis

  • max time kernel
    165s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 12:14

General

  • Target

    e4481e237e5e939eb7ac0c27338affd890e1004efd8d16c90e6b63de717621ab.exe

  • Size

    20KB

  • MD5

    ac3479343cbe5dec3ac928994a79bce3

  • SHA1

    9feb000023870c04176018865e569bd9335d09c7

  • SHA256

    e4481e237e5e939eb7ac0c27338affd890e1004efd8d16c90e6b63de717621ab

  • SHA512

    803430033c1c779c7b9c8b2073b96f65b13020d9c00e8b128e146d61821279d68f3d3092452ea96522b4f679d91dbdf5d1df3b195508da6b892e5e9cb536f57f

  • SSDEEP

    384:otLDJjLznoN2zN2mN2J8l6kWLQsrev6+QcbLTCibs9WdC3kUpgO:yVXS2J202iTmW6RH9L3kUpl

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4481e237e5e939eb7ac0c27338affd890e1004efd8d16c90e6b63de717621ab.exe
    "C:\Users\Admin\AppData\Local\Temp\e4481e237e5e939eb7ac0c27338affd890e1004efd8d16c90e6b63de717621ab.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops autorun.inf file
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Documents\s4c.vbs"
      2⤵
        PID:3248

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Documents\s4c.vbs

      Filesize

      257B

      MD5

      e2df14ad09c8d6812f1deabfa3793b37

      SHA1

      86fb60c1e8830836248660bf67bf2737814f43fa

      SHA256

      e7905fc5bb651475ade5f726e90d38f34a18a490fa538f0eed5715e845cc2981

      SHA512

      f17e3a8aef988129530fb4090700bff26ac3e45b07f4ba23a784efd7c8f39cf9c16ff5ecb9e1e786d00d2cda12887c0b1db2403a70e3c0e235276c296607eefb

    • memory/648-132-0x0000000074EA0000-0x0000000075451000-memory.dmp

      Filesize

      5.7MB

    • memory/648-133-0x0000000074EA0000-0x0000000075451000-memory.dmp

      Filesize

      5.7MB