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
    19-06-2024 19:39

General

  • Target

    2024-06-19_7b55fb701eb7c0e83a6681cfd04c84d3_cryptolocker.exe

  • Size

    56KB

  • MD5

    7b55fb701eb7c0e83a6681cfd04c84d3

  • SHA1

    90a2ad5768c72c7c7f1570098fc0ee85b9b96909

  • SHA256

    f4fb07b67c938e4c375998662a577351ca20d89404ac8f710dd03b9047902394

  • SHA512

    7b7a924204419681d9120f8b3b812889d522b8810fa372a8ec82f4597bb13e1ec12c94a961acd07686bc1c2474bc674a383968459f412fcdebb812c35ed3c676

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/eUi:6j+1NMOtEvwDpjr8oxExet

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-06-19_7b55fb701eb7c0e83a6681cfd04c84d3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-19_7b55fb701eb7c0e83a6681cfd04c84d3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    8802520501b257a0b0a1726afb9e2571

    SHA1

    e27d1ad6739fb9135c10ec209763287ad18f76e5

    SHA256

    107a1ef03f67833bbe4e6946dd1b391466f4c9fa9b9c11f4c9136aee27c2d98f

    SHA512

    168405d829f8d13926a63d79a7e172ceb92b29c1155bc87710af812348bb7e55dfeb23be3b5550c5bbb21404693ead264b606b123529ed0b7d1f0e172242a14c

  • memory/1096-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1096-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1096-2-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/1096-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1096-14-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2020-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2020-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2020-25-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2020-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB