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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
    02/05/2024, 05:40

General

  • Target

    2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe

  • Size

    49KB

  • MD5

    670c23abb528d1f1888097185fd3a884

  • SHA1

    ef0a98e60fd876d88fbca8f5a419a4fe7e7393be

  • SHA256

    90a82474497f4d8e09182d868fce30bb56fe9a7c44727a8ad863ebe030236362

  • SHA512

    b0c2c06a8ae3e8294a37cd4e7f1dbc49c0eaa0332f46f597e8a1b95d9b1a79ce5ba258f69ad531cb0eb7f9f2afcf619b8b98cf00efd5dff18cca04fa13b4be19

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8N:ZVxkGOtEvwDpjcJ

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\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-02_670c23abb528d1f1888097185fd3a884_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.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\misid.exe

    Filesize

    50KB

    MD5

    2d4bd44695432d1223813f343e353b59

    SHA1

    6491bd20af00784912a0fabec64829b3f53e617d

    SHA256

    5f6164aa8b8b8e979ba48c2032637f168afd4db9ddf9d8bb20fada096b0dff82

    SHA512

    32b220905a687ea988da9b79da7636339a9fad38caa704bc8db104cd20522210780a0d7b2b9e266a8df49460d7d1c1b3c7c7866f4d4a7ad5996b9b14351c1534

  • memory/2368-0-0x00000000003B0000-0x00000000003B3000-memory.dmp

    Filesize

    12KB

  • memory/2368-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2368-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2368-9-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2368-15-0x00000000003B0000-0x00000000003B3000-memory.dmp

    Filesize

    12KB

  • memory/2476-24-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2476-17-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB