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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 00:28

General

  • Target

    2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe

  • Size

    48KB

  • MD5

    5119d5075e0f8b994b15bf32bf20e192

  • SHA1

    1f62c13f511220316fc058fbc4e1dc62f936b14e

  • SHA256

    7e8c82a2975e6278728cad7028b6f58cb56992d9783753a28221fa2d20781c16

  • SHA512

    3e96a2fbaa79528a2057490ba90e0c75b3a4d67914bcb52111b7bbd4087cd4291576a6ff7bff85d3c108a371c8a434e31c78d2bccec939ea0fbb8442125ae6b2

  • SSDEEP

    768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4UKn7yXYJmWO:bIDOw9a0DwitDTkO

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 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\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    e933bf314ae52c4b69eef12381f5ed91

    SHA1

    1268a13d7e3238d86283b0b7b3e877eb097027cd

    SHA256

    b19b3a6a259b78dd05d7546dfa6bf3ff83c345cf27cd919d05adc686a50df44c

    SHA512

    6b5b7ef16ada393f897785af9b25e866497db017ae38baa23dc9c6d05d4635af7fcc4ef8161a468389759abe79c906526be1352795a32d7b598481d08b663da6

  • memory/1728-0-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/1728-1-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/1728-8-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2476-16-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2476-15-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB