Analysis

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

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 23:23

General

  • Target

    2024-06-06_20c7f088b9150472d39c86beb6684083_cryptolocker.exe

  • Size

    58KB

  • MD5

    20c7f088b9150472d39c86beb6684083

  • SHA1

    579f924b90ceeda67c4c1d4cd7276cad29a377dd

  • SHA256

    f230b6b3dfc54af0afdf057175ed09ce2dee4fac8b1697f0f08eabfa9823c68a

  • SHA512

    1cfa21fce3e7047958901fe0f5403b989a9caf3ff61f9d59028c658ffcbc4d6349ded5535f764df1def9ecea6c85a17c39a2799652e271e980dc5a3252a158df

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/e4E:6j+1NMOtEvwDpjr8oxExe4E

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • Detects executables built or packed with MPress PE compressor 4 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\2024-06-06_20c7f088b9150472d39c86beb6684083_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_20c7f088b9150472d39c86beb6684083_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          58KB

          MD5

          32b84bffbd9595894eb60ab6c62444f2

          SHA1

          41bb011cfe3dbc63258d3027210a9da69189f9f8

          SHA256

          c9bdb7f318c6e3fa63cca50eea6c9482f1df59d69ed8f82cd9173312b81825a7

          SHA512

          66c8fc23c9f8cf09e7b50950e0a7c28d35112a09731e44a6d6f0466f9a74c2dc944f006f470101537d624dc5b9c6dbf3c7f943874d2410cfd733260aae0adeec

        • memory/2368-17-0x00000000004B0000-0x00000000004B6000-memory.dmp

          Filesize

          24KB

        • memory/2368-24-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2368-25-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2500-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/2500-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

          Filesize

          24KB

        • memory/2500-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB