Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 04:28

General

  • Target

    2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe

  • Size

    46KB

  • MD5

    4846be785d2f3387d8e1e9b928e1d265

  • SHA1

    b229f584930b3509bef6f5bbad292fd7ae60012e

  • SHA256

    492429a243ceaed1c36be1b244e4c28bda46d7445a6564320c9715a9312a03cd

  • SHA512

    804ecef24bf9d2e22fddfa854f254345c3b1ac9c87c38180724de94b9afce8b5bf5a37180fcea5e87592b800e3ceb1afab2aadff89d25f292a405266ed8a0080

  • SSDEEP

    768:bao/2n1TCraU6GD1a4X1XOQ69zbjlAAX5e9zl:bF/y2lFizbR9Xwzl

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).

  • 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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-25_4846be785d2f3387d8e1e9b928e1d265_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\rewok.exe
      "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          46KB

          MD5

          fa85d8f25103feed0e1d337f30ed33b8

          SHA1

          0b3267a0695d4c20c878e01775e2d06f829b9709

          SHA256

          4b953dcbc85b8d162cffd5c996356967673996b96304e81d3dec742f8a8e6a3b

          SHA512

          3de363ea9506e6b22169ab4147e2d22b0f917bff040ab50cb1edc8083eb9b84199d6829bae843fbd3c2a3df0edfec88e4eb2ddc22be62cda66ba91441827dd0b

        • memory/2280-0-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2280-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2280-8-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2952-23-0x00000000003F0000-0x00000000003F6000-memory.dmp

          Filesize

          24KB