Analysis

  • max time kernel
    1800s
  • max time network
    1162s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20/11/2024, 12:56

General

  • Target

    RANSOMWARE3.0/RANSOMWARE3.0/obj/Debug/RANSOMWARE3.0.exe

  • Size

    206KB

  • MD5

    d82aef6e33a9bb4bbbec1e38547b1a47

  • SHA1

    bb74e90eab11ecc0a2e3702882489a2523949315

  • SHA256

    9cff1ba17b83e537751fe1cd414690c3aa9627f06899afd906efaa114575d42d

  • SHA512

    88e61e2a6ce3fe80f4ce77493254fcd56476ffc1e6a36a7f4f063757c6fd2cd1332f2a1d71222cbae244b294dcc5b56b8a83e53e15138a4ef1c3fbd56690f804

  • SSDEEP

    3072:qRkbWhQAqY5+I00000000000000cGh4u3J+QGAqYVZmXMZhGq4ziqY:qSbsqgP4QbqS1ZhGq4Gq

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Renames multiple (279) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Manipulates Digital Signatures 1 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Drops startup file 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 7 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 50 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RANSOMWARE3.0\RANSOMWARE3.0\obj\Debug\RANSOMWARE3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\RANSOMWARE3.0\RANSOMWARE3.0\obj\Debug\RANSOMWARE3.0.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Disables RegEdit via registry modification
    • Manipulates Digital Signatures
    • Drops startup file
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BSOD.exe

    Filesize

    6KB

    MD5

    4ec85cec090259e2ad98bc922a70cc5c

    SHA1

    7fbc4d3a11395f373d6bb40ad7f8bdf9088853e4

    SHA256

    dc0e9cae1e53b8f74c9bda8fc5c76c9f8a925e29275bbca0b4e35204af6c3fa3

    SHA512

    df72554135d7dd06e60b8bb4b98617b16693127b91889a188cedc80a3e85ac3fb578ed9261bd54de465387f0cc755916dc5eb15b24e0350c91f188bc4b703cfb

  • memory/3024-0-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/3024-1-0x0000000000B70000-0x0000000000BA8000-memory.dmp

    Filesize

    224KB

  • memory/3024-2-0x0000000005B60000-0x0000000006106000-memory.dmp

    Filesize

    5.6MB

  • memory/3024-3-0x0000000005670000-0x0000000005702000-memory.dmp

    Filesize

    584KB

  • memory/3024-289-0x0000000074E60000-0x0000000075611000-memory.dmp

    Filesize

    7.7MB

  • memory/3024-290-0x0000000005720000-0x000000000572A000-memory.dmp

    Filesize

    40KB

  • memory/3024-291-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

    Filesize

    4KB

  • memory/3024-292-0x0000000074E60000-0x0000000075611000-memory.dmp

    Filesize

    7.7MB

  • memory/3024-293-0x0000000074E60000-0x0000000075611000-memory.dmp

    Filesize

    7.7MB

  • memory/3024-294-0x0000000074E60000-0x0000000075611000-memory.dmp

    Filesize

    7.7MB