Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 05:48

General

  • Target

    2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe

  • Size

    48KB

  • MD5

    fb5b0225da15727f67d29a5b477d3d10

  • SHA1

    e47423c08ff5aea73250ced9e26590e9cdf1b44a

  • SHA256

    f1a5b06869ae1638bbad3e5786d0340affdbaca4c540186aab0f4206330a517a

  • SHA512

    323830aab742e3d905f7e05c210c2d01e0f2432695b3159a44e5660dde315a2d454526225386d5cda9e8bdaa898c4c88796764802b70f9166caf4c5cd8dc1b2f

  • SSDEEP

    768:26LsoVEeegiZPvEhHSP+gDdQtOOtEvwDpjtMLZdzuqpXsiE8Wq/DpkITYaW:26Q0ElP6G+gBQMOtEvwDpjgWMl7TYaW

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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\2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_fb5b0225da15727f67d29a5b477d3d10_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    399581aaac05a87dd204a50a015094a0

    SHA1

    8e8e9396e2c5383e4a58696bfbf561dc7d20b6fb

    SHA256

    3c8e756b1be387fc3953a53d8bb60bb087fb72534eb76e4a5f04ba4adc2a064f

    SHA512

    9bc7438d65a74015eb33bba55cc641ba1609763c7314a366acebaed219e8a847d6a2f195632d8c3ad951e73f0bd3266fb10af7e1f1c6983d79b93c18bc6a9d96

  • memory/3784-19-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/3784-25-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3784-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4576-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/4576-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4576-2-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4576-3-0x0000000000710000-0x0000000000716000-memory.dmp

    Filesize

    24KB

  • memory/4576-18-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB