Overview

overview

10

Static

static

3

RANSOMWARE3.0.exe

windows10-2004-x64

RANSOMWARE3.0.exe

windows11-21h2-x64

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General

  • Target
    RANSOMWARE3.0.exe
  • Size 206KB
  • Sample260608-ssramafx4n
  • SHA256 9cff1ba17b83e537751fe1cd414690c3aa9627f06899afd906efaa114575d42d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypersistenceransomwaretrojan

Malware Config

Targets

    • Target
      RANSOMWARE3.0.exe
    • Size 206KB
    • SHA256 9cff1ba17b83e537751fe1cd414690c3aa9627f06899afd906efaa114575d42d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverypersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      defense_evasiontrojan

    • Renames multiple (270) files with added filename extension

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

      ransomware

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Manipulates Digital Signatures

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

    • Drops startup file

    • Executes dropped EXE

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks