Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 18:25

General

  • Target

    2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe

  • Size

    83KB

  • MD5

    467841c4c49198764e15db0cc7b2063c

  • SHA1

    baa72e523ec8a96dd11a687909754f937827ad23

  • SHA256

    eed70416709ccb6fdce1fd48953abe01d06304250eed26440f40fd9ae73ee859

  • SHA512

    ef11cad369ab55b4bc2b34e14efe8b3a03e1f94f913dfb088aa4b6343f30209161744f6c6fe04c70fc0133bb692adae60a40b1c04bffe0571e657df973518970

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrh8P:TCjsIOtEvwDpj5HE/OUHnSMo

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\2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_467841c4c49198764e15db0cc7b2063c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    84KB

    MD5

    ca32bd5203fb8d5e3a62c1cc6fb07f9c

    SHA1

    e1d80e370a73928673ba8d467fd214d90be63b07

    SHA256

    c113a5abafc8e458652cf19b885480525be1c4eb8584be016fdcf7d7d69c9186

    SHA512

    d9a38c9ca6b144cc7c02c5975d56a5ef4adb7b34c7f87fe1540cb8cce9bee595040205861ce620e09098f557243f3ce6f2e0af45fa4fc11547b172515fd8af21

  • memory/2504-24-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2612-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2612-3-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2612-2-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2612-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2612-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB