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Analysis

  • max time kernel
    87s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 06:39

General

  • Target

    2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe

  • Size

    49KB

  • MD5

    6d1471eadaae4cf99ac8438c06f9ad4e

  • SHA1

    db9d13ef1d157854414d73faad85876ac7f07cf1

  • SHA256

    203dc8c47124ff52b9c45b7604dde5a68b99ed1e25bdabd8bb1cfb5ab0ac12d7

  • SHA512

    c6bb2bcbb1c3e4f7034027fc0ea0f67c419652fe7bf0780e6566103f08d722c5093b12fd0365e4138960c1b14a219ff858e0f784bb3d6e3131d077027a318934

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatsh/:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7q

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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\2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-07_6d1471eadaae4cf99ac8438c06f9ad4e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    611c4ddf0e5c5c2253a065970a74317f

    SHA1

    84688bf48466de20f5eac413f9c7b85cc1c36496

    SHA256

    f65b687f08310792b977a141121246ad3e560b9fca9d0b3b64ceced7667072b0

    SHA512

    85ed236b8eb0bef192883fdb5a87d223132417448cec83cd73d2f02bbab32b2b09241a4d23bc8bdde8e2de8829aa2c552dc6120ac3ba14995c585ce16616d4d6

  • memory/2828-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4568-0-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4568-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/4568-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB