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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/04/2024, 19:44

General

  • Target

    2024-04-24_8a58b38d1e045190220723d460ba0ec7_cryptolocker.exe

  • Size

    39KB

  • MD5

    8a58b38d1e045190220723d460ba0ec7

  • SHA1

    e5ec1eb22ceead84f5d8dbb33184348b4eae8bfd

  • SHA256

    ec5652bc55deca41c6ff947f0ed42ae4028725331844ff86f1c815b6d44d6d9f

  • SHA512

    cbed0de15468e6fc1168e3b046087613cefab79fa995a69d5b27c8506a880626fd981e6592773ba8109196f2669d23db6804a268a6f0f1d23c0e8cdf01218a0a

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axZmGRo:V6QFElP6n+gMQMOtEvwDpjyaYa/mmo

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-04-24_8a58b38d1e045190220723d460ba0ec7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-24_8a58b38d1e045190220723d460ba0ec7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    5ea1a6efa784b007a1b6d57331b216bb

    SHA1

    2f4df7a28228a7e23a11812b8d3dfc23f6f8e14e

    SHA256

    2aa6259ac63bff96e3833859212ad6389f062eb90a5b1767dd014e3c47543a85

    SHA512

    ab34b931e9c1621365f92ab73a9a1353af1c0b1309f9c653a8d06c2de9090f1e93c86d83d844e4988fee19ec1bc23487dc0c12de8ce085379358b7ed3ccb0292

  • memory/2420-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2420-2-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2420-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/3040-15-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/3040-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB