Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 18:30

General

  • Target

    2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe

  • Size

    46KB

  • MD5

    53990de269da670c74a9e658a412c922

  • SHA1

    9dea92ea131b1fcaa678356843af6f0666cf33b0

  • SHA256

    e5250f45f3c4b75b51c6ce0d695315569b62461323471bd022159c6be175ea84

  • SHA512

    9b7c24b7c912d8d66843309cee1003ca70fb75a9afffb82c5fac5d7e889fd6e507ac7c74e96ee94f9ef5cfa36341dee8deb28be2d4b674f42b7728f8c2f470a5

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAP5:P6QFElP6k+MRQMOtEvwDpjBQpVXg

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_53990de269da670c74a9e658a412c922_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          47KB

          MD5

          59dd7b3782d97be2069a85bfa9d76990

          SHA1

          f21baf32f3ec8ed531b94a702ce63835c6bb66f0

          SHA256

          64798fe77a7ef159e7739536b967ed60e621f07ff0475ba70df9062b4b9a1c5b

          SHA512

          cd1781b5a5ddd6eaba8021506c0809834a243a06d5ce57b4d222fa1f6b2abe57190932364decc714a17aac324fff78041f8aa229ad61ac7d2f46d3c218049507

        • memory/2032-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2032-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/2032-1-0x0000000000250000-0x0000000000256000-memory.dmp

          Filesize

          24KB

        • memory/2032-9-0x0000000000250000-0x0000000000256000-memory.dmp

          Filesize

          24KB

        • memory/2032-13-0x0000000002840000-0x000000000284B000-memory.dmp

          Filesize

          44KB

        • memory/2032-16-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2636-18-0x00000000002D0000-0x00000000002D6000-memory.dmp

          Filesize

          24KB

        • memory/2636-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2636-26-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB