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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    16/05/2024, 20:06

General

  • Target

    2024-05-16_ca2a271dd2419233ac035b5c1ada64ed_cryptolocker.exe

  • Size

    71KB

  • MD5

    ca2a271dd2419233ac035b5c1ada64ed

  • SHA1

    fd1bd0d6b8810303fc56d2d76c1c95a93784b8b4

  • SHA256

    3b125f19e4751571a1d991b3fafebcc2200940b9a66662c4077a469a093d4aaa

  • SHA512

    4f5adea642e141154b72d9934f0a0fa9f2c4a1a709d6310297fc3f9cef4cee7b185e279eb9efc61736a57023d6148ae46547ed5847e3b81c3c174bb95a82d113

  • SSDEEP

    1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOb:DW60sllyWOtEvwDpjwF85c

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-16_ca2a271dd2419233ac035b5c1ada64ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-16_ca2a271dd2419233ac035b5c1ada64ed_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    3c5784f63ebecdf1c93495d9a1026187

    SHA1

    868e0cc2ecc1240abef26232432e543598e9bacf

    SHA256

    f20d831aef1d3f90bd4a3b13639ecabd6690273f2ec3953268e3e432f8fe943d

    SHA512

    0591e01e04d60dcb950ff2076f4f6cdb4089d92a87ed31bc064c88d001f876df8417659c9fa73aac6ede054e9415ebbdc8208238cd61fe73908bf2e89e1edd45

  • memory/2616-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2616-18-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2616-25-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2784-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2784-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2784-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2784-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2784-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB