Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 02:34

General

  • Target

    2024-06-11_abfd823b807f1b111100d22ea53feef2_cryptolocker.exe

  • Size

    43KB

  • MD5

    abfd823b807f1b111100d22ea53feef2

  • SHA1

    be9926514cfd06e172800c28b814a14f51832021

  • SHA256

    c217a640e278bc350f27ec00c12e0e5d47ffff44dd38553d75c1089a918e6e5a

  • SHA512

    2d34c4eeb402e33760471a6ccfce0f173dbcd6a7de7a62c97005bd92417d5a85d7cb5837c54fdf5dfb255ca1d899e3bbda9104d69cb05d38079a057b9ccc128f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aDDRG:6j+1NMOtEvwDpjrRsG

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-11_abfd823b807f1b111100d22ea53feef2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_abfd823b807f1b111100d22ea53feef2_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3012

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          43KB

          MD5

          00973b40741ef0cde90aeef1bd33ea30

          SHA1

          ecd9efeb8f3c54674658d60a159c114d5faf024d

          SHA256

          f616fbf3fe06d37f694bd39d7516f764b8bf4a06fae399d8c6ab7b1d52854ac4

          SHA512

          e7b64c9b187b1ae02c507da5eb8ea06cb6ef81c5d0edacd8dec32e0296a0f40f119b2fc4510cf88488c43995d6c9801e73d95155290c89d8615ffde66df9026f

        • memory/1708-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1708-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1708-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1708-3-0x00000000003F0000-0x00000000003F6000-memory.dmp

          Filesize

          24KB

        • memory/1708-15-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3012-16-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3012-18-0x0000000000480000-0x0000000000486000-memory.dmp

          Filesize

          24KB

        • memory/3012-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/3012-26-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB