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Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05/01/2024, 05:42

General

  • Target

    2024-01-01_4e7daa4bc7877c23d209c2ec75331528_cryptolocker.exe

  • Size

    123KB

  • MD5

    4e7daa4bc7877c23d209c2ec75331528

  • SHA1

    5a54280e74d6bf34e07f307bc7b9135b6824e844

  • SHA256

    2cccf9de2ffa06fcb6407f94f5aaccf2b091b7e36aaae5c37c80d9ed8698ab58

  • SHA512

    4cb2efc794cad67e13aa46c1ae1b32755dacbd835768beab32648476b2818dd6bcd34e8e4219792e8eb35e56051c1b8d20320c306beedf8103b62c7a4f2619d4

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTzy:gUj+AIMOtEvwDpjNbwQEIPlemUhYjy

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-01_4e7daa4bc7877c23d209c2ec75331528_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-01_4e7daa4bc7877c23d209c2ec75331528_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    123KB

    MD5

    7eee5da7a8c915e18fe41ba02d62f42c

    SHA1

    3e649976fca12f373c0d1d9895b515cf37b34c10

    SHA256

    197618bab4bd5031ba04d3313f09345a692d8454e15ac25f89ff84921343529b

    SHA512

    751ebaeadb7188ced6f722f75c3437e24556ff0506b8e6c3012bd74e09fe936245fbbc12c9b0ea323894478f23ca91030e8e35e1f3a5f2fb0dfcad4b50a0f4b1

  • memory/2040-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2040-2-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/2040-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2852-15-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/2852-17-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB