Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 13:55

General

  • Target

    2024-06-02_dd9992cbe0e967903b16b31879b24685_cryptolocker.exe

  • Size

    42KB

  • MD5

    dd9992cbe0e967903b16b31879b24685

  • SHA1

    848e4443b50a360cf95e8d740d25e7138601d5b8

  • SHA256

    0b701ba7c405ddefeea0c5748d816f697ba9fa7c30cedbc2fc5a607f7defc674

  • SHA512

    ebce38117929896b910b0c5f556bec4e95c13c3964f9b23497bfe41c4645c7f3c6db5e3c6793aa6f979369c382e4dcf302730e7d63b9b30b77a5d91574a855ad

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqAa:bCDOw9aMDooc+vAqAa

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2024-06-02_dd9992cbe0e967903b16b31879b24685_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_dd9992cbe0e967903b16b31879b24685_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    a91b917c4a912e538304b167e333ab7f

    SHA1

    000aa85bfaf706639e96cf2c53dbb3fce38dd570

    SHA256

    769d3903866c406873a95bdfc76885d98200d7fed8de166cb1433049ff783166

    SHA512

    210b9548ca6e60e9b6eae724ada71b69dd6dd4ab7a08e0774cdaa8fad9885970e6dcf5ae06b1cd2b1fd8f0937bb064071a2e80d431dd50a48d6bb9f7889b3d4e

  • memory/1688-26-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1688-25-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1688-18-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2040-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2040-1-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2040-2-0x00000000020A0000-0x00000000020A6000-memory.dmp

    Filesize

    24KB

  • memory/2040-9-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2040-12-0x0000000002730000-0x000000000273A000-memory.dmp

    Filesize

    40KB

  • memory/2040-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB