Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 15:43

General

  • Target

    2024-09-04_748d61e44177c891c72e25c6566f30d3_cryptolocker.exe

  • Size

    45KB

  • MD5

    748d61e44177c891c72e25c6566f30d3

  • SHA1

    31d2ae80685d172a9f149d6deadf6494c285cfee

  • SHA256

    19f10da8c0bf39ef8f706aee8e20a0aa9b8e7b9cae9ef2b80bcb198c01ae3364

  • SHA512

    1025ce291fa5a19d9f8639c04fab40dcccde05fa0de1d825fea3b1dcfba4eff752184cd3049e03aa8b11df334b42134650b0862b8bf3ca928bc9fa048ceaaef0

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPX0:P6QFElP6k+MRQMOtEvwDpjBQpVXE0

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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-04_748d61e44177c891c72e25c6566f30d3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-04_748d61e44177c891c72e25c6566f30d3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2504

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          45KB

          MD5

          2baaf04f2e2626cf22ff07bdb6591a40

          SHA1

          4706f4b7fc2d6fbc87e26b297962bcf13351cdee

          SHA256

          016849b7b693e5c15606c9c957ba9c3e937d939e414cfb6c8037137e1b9cfbee

          SHA512

          97db644054ce30a8947fe8655a8fbac77d8f9096c0e0bec28cdf4cd1d8041f7333527d08dfd8d41001d9aad9f9424a4ad7dfbc96a5c08a83d36e2fd9802bc3a3

        • memory/1480-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/1480-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/1480-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/1480-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1480-15-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2504-18-0x0000000000270000-0x0000000000276000-memory.dmp

          Filesize

          24KB

        • memory/2504-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2504-16-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2504-26-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB