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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 04:34

General

  • Target

    2024-06-03_9d4548d999409ef407db7914acd5e75d_cryptolocker.exe

  • Size

    66KB

  • MD5

    9d4548d999409ef407db7914acd5e75d

  • SHA1

    837ae957e89770392bad0262b605c480f8d589cd

  • SHA256

    6ee6a14d1cabb4b02c90d7bdbe4a92ee90be55882ade675fb9c4be4e5664455b

  • SHA512

    db174c1fad11e6d321380f9e419ed8bb8b60ff550859393f49e352c0b9658effd20134d37060f802668b076a7affed942bde670ec209f2e9bc71ab4e6cce45f3

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfGyR5:TCjsIOtEvwDpj5HE/OUHnSMYs

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 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\2024-06-03_9d4548d999409ef407db7914acd5e75d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_9d4548d999409ef407db7914acd5e75d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    66KB

    MD5

    fcc4c983ad2f22ffeb0c90cb5f09a598

    SHA1

    4129830353663e53b146ac5d59f2088db65126c6

    SHA256

    9622dfad1d0334be4673edf98859f05a336cf7323ca4110e7da297c00afa53bc

    SHA512

    4b8aae409dd72944ae1cb0fc5f35734a2013e1e1afb0d92b533714d8015374dccd152871c5c08ddccc052efa50a4a0641a9ad259ad05b62b3a5ecf6048b39e6c

  • memory/1460-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1460-1-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/1460-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1460-9-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/1460-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2036-17-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2036-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2036-24-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2036-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB