Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 03:31

General

  • Target

    2024-09-19_77a3fe46ed182f9a90d5568076d3cb0b_cryptolocker.exe

  • Size

    33KB

  • MD5

    77a3fe46ed182f9a90d5568076d3cb0b

  • SHA1

    f15fded303fa01ab9416a2eaec237a49c98a04f2

  • SHA256

    392a5392319e0e74680224d10180f7d8a8f3566e4095a496a34ca52775f1c021

  • SHA512

    ee75d2020124ac092c070f3338040d069143d12a0e71d53a5083c8e9237e9399eac074fd2c8a51210809c5273e84d95e186544be8ef073008be0c3f5df17b2e1

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzogFzpjufAq18vw:bAvJCYOOvbRPDEgXVFzpCYVvw

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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_77a3fe46ed182f9a90d5568076d3cb0b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_77a3fe46ed182f9a90d5568076d3cb0b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2252

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          33KB

          MD5

          acf7a0905f73a97461673e38b7ad3c8c

          SHA1

          4cfbd905f1120068947bc3b762e34f8f532fa569

          SHA256

          0e019cb665ec4b25b3e1640c20abe7b8b3eefc2fc62faeff079f7cadd25de19a

          SHA512

          fbe9796598d89935184566e3f508eb15a742edd4d63503de24d72e8db1136ee3fb4889959630b1a7287223602e0a8768edbacdf983fa02fcef1e64afa7b617f6

        • memory/2156-0-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2156-1-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2156-2-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2252-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB