Analysis

  • max time kernel
    1799s
  • max time network
    1564s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 (302) 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 40 IoCs
  • Drops file in Windows directory 58 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:2648

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

  • C:\Users\Admin\Desktop\OpenOut.xlsx.CLUTTER

    Filesize

    11KB

    MD5

    a64bf6219271dc73115f7fc51d2b4333

    SHA1

    61b0d665f61876bc2b0629833d64d18928c55d2d

    SHA256

    1dcb242a128330bd9cf72ae38629b50ce8f9fb539fb759e6c83f682a3d585cd9

    SHA512

    8277322c17a2de52f46a7979a3a5a0ad010742de42bae80b5ac2e67251d08ad4b2ffe8672979ffaa909550301ce752b2ca96a8106192995ae19ea640d4386932

  • memory/2648-0-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2648-1-0x0000000001350000-0x0000000001388000-memory.dmp

    Filesize

    224KB

  • memory/2648-308-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-309-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2648-310-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-311-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-312-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB