Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 00:31

General

  • Target

    2024-10-10_485aba98663c5492544b96e3cca00a3f_cryptolocker.exe

  • Size

    36KB

  • MD5

    485aba98663c5492544b96e3cca00a3f

  • SHA1

    683e04da26a934fd19ea156bd3445b55f78f87e9

  • SHA256

    cb1ea3e5a9de80eef5a80e7206a41d9a8ee9e155230a4d6ba1a9b033b264bad5

  • SHA512

    32e7b2e57c660da03395d018d9a5b81e3159ddaa936d69b58aeca6b4feca449ea7ab4288ba90cb6bf8cd2cf42b2ebd40a63a57525eae2b16d9f10b960e17bf59

  • SSDEEP

    768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpNEmNOmnQBDng:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xd

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\2024-10-10_485aba98663c5492544b96e3cca00a3f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_485aba98663c5492544b96e3cca00a3f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2152
    • 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:952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          36KB

          MD5

          ea9e1042624d3c46f7204fc22267f337

          SHA1

          bfe3d471d3e9efe79b15f2788463b18671a3a177

          SHA256

          460749676be55460518693977d15f2b14b0b5faae9efde4a4fd854801d9b0069

          SHA512

          ce2ac2d5940d703dc190d93d3b16b8649598b9af80ab7dbf20f4409feb8fde33ebf07d39147c030f4536a709708085c1c5dc8b06771e6de9aa2ae8a410d73a91

        • memory/952-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/2152-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/2152-0-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/2152-2-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB