Analysis

  • max time kernel
    95s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 00:25

General

  • Target

    2024-09-07_0200604c300ed91e8953e8d4b7f28b16_cryptolocker.exe

  • Size

    68KB

  • MD5

    0200604c300ed91e8953e8d4b7f28b16

  • SHA1

    a60f4f1789e33e3c21c794ed907a7cb8f3e69ac3

  • SHA256

    7c829d718616f670ec2326279bc83d5cd09fa82500b469371f16b6ddcf757f0c

  • SHA512

    5b7e8389bf77991a05bd2a7fb658d055dd81234422d7a0d1f4070b53714af95d20c804c79e7333b274c1fdf57aed58215a0e595fadf37e263b3ee74ee1f905d2

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEn:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7f

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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).

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-07_0200604c300ed91e8953e8d4b7f28b16_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_0200604c300ed91e8953e8d4b7f28b16_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:556
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2740

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          69KB

          MD5

          8da20094338d09caf9e1bc54856fdaa7

          SHA1

          e0565248eacb5b4c7e2792e7b96b28ab52dec274

          SHA256

          66ad34c58f1693670b04460746cdd5d08b5a65a5718d1b88b9967f0f371b942f

          SHA512

          95ebf2a359de6145e91d6abae571f11548f23be77ba98f389b849ca01f24742f414e6a700ab3e87a88427d99eca30668ca5363e217a9cf4f2cc95cfe0ed8cc82

        • memory/556-0-0x0000000002280000-0x0000000002286000-memory.dmp

          Filesize

          24KB

        • memory/556-1-0x0000000002280000-0x0000000002286000-memory.dmp

          Filesize

          24KB

        • memory/556-2-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2740-19-0x0000000002130000-0x0000000002136000-memory.dmp

          Filesize

          24KB