Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 03:23

General

  • Target

    2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe

  • Size

    37KB

  • MD5

    022cdba5d462cb265e1ef40658c6a199

  • SHA1

    9811ed335cd2b3271c62018681588d3e293ea348

  • SHA256

    9d608e774eaa07856d6e6f537308c98a635b0dd234cb920f2d1b1215df97f2b1

  • SHA512

    e52f0c6c95e68dc7247b780ce03a911eccbf983dafd7a3adfd1424f15ae06833f12ef0dfd8345395143fcd7d79001561f4a2a7ef06312541098a87ab7225f5b7

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4XYi:fT+hsMQMOtEvwDpjoIHIi

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_022cdba5d462cb265e1ef40658c6a199_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2712

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          37KB

          MD5

          7f3e958ffb7bfd71422a928cc965e8f6

          SHA1

          1c8e99d6519c77fed0686c69492c97759a011e76

          SHA256

          d4618bceb19c0181461351cd716bb6b1eeb62dab82c134afe160d1111c9a76ef

          SHA512

          8cf192992e0482bc7c713725e4cf60f6f9f469e1d62775b8bc1c256322b0be4f02da036dfd0edc8bbe287477e7d030cf00d26455f89a46d69d0652845f3814c5

        • memory/2712-17-0x0000000000650000-0x0000000000656000-memory.dmp

          Filesize

          24KB

        • memory/2712-23-0x0000000000630000-0x0000000000636000-memory.dmp

          Filesize

          24KB

        • memory/3220-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3220-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/3220-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB