Overview

overview

10

Static

static

10

keygenran.exe

windows7-x64

10

keygenran.exe

windows10-2004-x64

10

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General

  • Target

    keygenran.exe

  • Size

    388KB

  • Sample

    241102-ttmt9szbpj

  • MD5

    d313cf4e6bf5e9dcb2ed3e722984bc8e

  • SHA1

    21a28a94e0de60603ad1664a843717a8aeba30c9

  • SHA256

    739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951

  • SHA512

    2a0d479f8b299370bb67ce34f4dfb58b52c70e7edcfa1f9cb6c40a6162455b77aad70bfd1f619dda327d969852eb1c20c7768f1c4247450740c203521f37ff34

  • SSDEEP

    6144:fr9Sqdd/nDTCKm1ussOaOYNmJL2gGYBppgnvufOKvNbq7a+0blRIJ6Af:Dd1nDTC11utmSfqppmvufOgY7a+oRd

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      keygenran.exe

    • Size

      388KB

    • MD5

      d313cf4e6bf5e9dcb2ed3e722984bc8e

    • SHA1

      21a28a94e0de60603ad1664a843717a8aeba30c9

    • SHA256

      739e1ab9e63ec4da436b2861c3c23111a823676896b6f2f40cf0051bf5c0e951

    • SHA512

      2a0d479f8b299370bb67ce34f4dfb58b52c70e7edcfa1f9cb6c40a6162455b77aad70bfd1f619dda327d969852eb1c20c7768f1c4247450740c203521f37ff34

    • SSDEEP

      6144:fr9Sqdd/nDTCKm1ussOaOYNmJL2gGYBppgnvufOKvNbq7a+0blRIJ6Af:Dd1nDTC11utmSfqppmvufOgY7a+oRd

    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

    • 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