Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 18:23

General

  • Target

    2024-08-22_1dc0db4651651bf3729eb659557dad1a_wannacry.exe

  • Size

    242KB

  • MD5

    1dc0db4651651bf3729eb659557dad1a

  • SHA1

    d1d6132278b81fd6f5b89647aa229552afc5b074

  • SHA256

    79cc769744baf78a6d4524b3de7b25e3935c8d2009beea1e4b8c7b73a0eb19ab

  • SHA512

    ed220ceb77fbea9ecab9642a122c2dc34ccfd95642e55e9768e28983a0c68252251a5e36c6720c4055bd09818a5b0ca4911be7ac8c6338f56639597e8237f73a

  • SSDEEP

    6144:CDpWZJJchBRsZVtZc9eZBp1EvtxFzASUEEa2Xs3T:CVk2bELZBp1EvBzNUEEa2Xs3

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-22_1dc0db4651651bf3729eb659557dad1a_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-22_1dc0db4651651bf3729eb659557dad1a_wannacry.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\sByte.dll

    Filesize

    39KB

    MD5

    d80d1b6d9a6d5986fa47f6f8487030e1

    SHA1

    8f5773bf9eca43b079c1766b2e9f44cc90bd9215

    SHA256

    446128f1712da8064d0197376184315cb529ed26ed9122f7b171bb208e22c0c3

    SHA512

    9fcf0105c2c9ee81c526d41633d93579bb8e2837989d77fb4a6523440415ec2d7fa46ac9ae4e55ecebd99126837817ac308cc079475de02667b21727a43d74cc

  • memory/3208-0-0x00007FFA2F9F3000-0x00007FFA2F9F5000-memory.dmp

    Filesize

    8KB

  • memory/3208-1-0x00000000009B0000-0x00000000009F2000-memory.dmp

    Filesize

    264KB

  • memory/3208-2-0x0000000002B50000-0x0000000002B5C000-memory.dmp

    Filesize

    48KB

  • memory/3208-6-0x00007FFA2F9F0000-0x00007FFA304B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3208-7-0x00007FFA2F9F0000-0x00007FFA304B1000-memory.dmp

    Filesize

    10.8MB