Overview

overview

10

Static

static

10

Test.exe

windows7-x64

10

Test.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Test.exe
  • Size 816KB
  • Sample250221-sclefawks2
  • SHA256 983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target
      Test.exe
    • Size 816KB
    • SHA256 983223d3c64d68f560b7315bc8b32610c7606382e8778537bee3cfe70dff1f76
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Chaos family

      chaos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks