Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 06:30

General

  • Target

    2024-11-02_c5bde157b84f95981f953b0ee3a5fb56_cryptolocker.exe

  • Size

    68KB

  • MD5

    c5bde157b84f95981f953b0ee3a5fb56

  • SHA1

    f281c5533e0ff9828691b81eca2746ac87c08d28

  • SHA256

    4fe93cc18b9fea033675cdf940093874cf76edde5165e1466572250d45e66dc5

  • SHA512

    eb342ed2f6af329f3f839fad74a5e1f79c6cd04f9c50b60b769867838d59b6b721dfe51dc07791ef394997bd8c8ea8c5636edc0563f9cec22c5d033fdc0447e0

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEK:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7S

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\2024-11-02_c5bde157b84f95981f953b0ee3a5fb56_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_c5bde157b84f95981f953b0ee3a5fb56_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    1aae07fac1a7b16a1857874d93680e51

    SHA1

    61e5906cf1177cf3d9c072bd55c7bcf525dfc8e5

    SHA256

    571230763f64336e78d9fb6a6f844a6e9c88d6ff8f6fa584e2e042d2d1731933

    SHA512

    6a5ae3780f1097a29015b721e1f808dd4bc2915e280d44e6ea3a490cfb9e5562488cff1a214d6a735348926c94e4579504e03b936fb0bf5a2382b39ae9cac20a

  • memory/2084-23-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

  • memory/2612-3-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2612-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2612-0-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB