Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 03:28

General

  • Target

    2024-06-14_91f1861db4e8b6e1264d6b7a19c86076_cryptolocker.exe

  • Size

    86KB

  • MD5

    91f1861db4e8b6e1264d6b7a19c86076

  • SHA1

    2529ef0dad22de02d184cfea70eebb2c8ac4ef42

  • SHA256

    10639797fcd909ff7f71891eb1ced5c775b3301a2962947ba18a58d5118abac1

  • SHA512

    c4e2fbe94a067c02dc3902a279afde46bff75e061ea0bad627179d73bbdd628c90882d1111cdf4295b61acc48415a6e7e723af550bd34efe4ef0cb011c99d41a

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+5:TCjsIOtEvwDpj5HE/OUHnSM/

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\2024-06-14_91f1861db4e8b6e1264d6b7a19c86076_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-14_91f1861db4e8b6e1264d6b7a19c86076_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    7e11b472f5c489d3c5c2fc742c8629c1

    SHA1

    89f635162c90c026a1cb56ca82aa162548b5ba6c

    SHA256

    ee57a83e4a7bd82bd798c3ca5be0bea3fbb5ad57d5c6ce59d9c9fcea42c109dd

    SHA512

    546a628de1b3f5de0ef833d2a1d37134c1587d745d76277c3fd8d718201124146062d6928f9e4a3643cfed87a38c55cb187ab6a9939631ca14a6765f0ce382dd

  • memory/1996-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1996-1-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/1996-8-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1996-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2276-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2276-17-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2276-24-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB