Analysis

  • max time kernel
    83s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/09/2024, 03:39

General

  • Target

    2024-09-09_b6b583fef98ca7fab80c9a15b1db5d5b_cryptolocker.exe

  • Size

    32KB

  • MD5

    b6b583fef98ca7fab80c9a15b1db5d5b

  • SHA1

    553aad4a3ab8e8bd3dbd9c0bb612a46a1fcd82aa

  • SHA256

    fab12d56c52760ecfcc66bf04cd4de600d94e3d2e8a746d685cfba7ea1051e19

  • SHA512

    c8f26f322d10162fde2cb27b61d947f3b4364df8cc6ee2d074623bd051998817a2e018d0f9e2a5bec3d670f51b995ad4a6666d8f23fa8b9e90b3955bc62ed24a

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdo8:bAvJCYOOvbRPDEgXRcJB

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-09_b6b583fef98ca7fab80c9a15b1db5d5b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_b6b583fef98ca7fab80c9a15b1db5d5b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2816

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          33KB

          MD5

          8ef0d3c33c35474bc257cedaa42d9cf5

          SHA1

          1aff5104754f678f1b26a1c709fd8015c78ede88

          SHA256

          fd70fbb0282d257d848b558149b0b69c402e344fb6dbe80c38cb4cdce3893d57

          SHA512

          ceba7b5d27e8e96ffe368c9782f3556b6b74987b8dee0f4b34b84094fa18d225ceaf42028003c3f4be73d01a3b3333d2f2e867df3206b7a809e3fad3e8238a21

        • memory/2404-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB

        • memory/2404-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB

        • memory/2404-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2816-16-0x0000000000270000-0x0000000000276000-memory.dmp

          Filesize

          24KB