Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 05:25

General

  • Target

    2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe

  • Size

    69KB

  • MD5

    7a710599a966b08d35ceb2200dd80392

  • SHA1

    6d4a9d49064e1446c1f79619ab5130f365fcfb84

  • SHA256

    8698cb00e56e2ab1e856617b682b82445ca5652f42213ad1581364c45aa6aeee

  • SHA512

    e4b4afa91fe7e633398d505dd458e94aa8bb2a5c768f23388678104f58093c01d47291fa6497605483c2d0c8081ef07adf24461ad8d06ce02de16e618880afab

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEg:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I

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\2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1232
    • 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:2908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    69KB

    MD5

    087ce26564f50509ab128bbf60437ead

    SHA1

    a3a87b75c67687ae6bd008a11699ee08fc7701a7

    SHA256

    322253ff5c2187f1d935bc83ea97614460ffb04be18cd7d235ca0abf8f5e343b

    SHA512

    a7e69d85d1041d93983bf97b3adbb86b748887f36cd02dc104baf70c91604dbbef203079e241319dc58ff17d6e955edfb811a9f2c61d3b0735aac778162eba23

  • memory/1232-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/1232-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/1232-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB