Extracted

• • Target

    2024-03-08_c8442c67afe3f7e280c6e61d21967012_chaos_destroyer_wannacry

  • Size

    25KB

  • MD5

    c8442c67afe3f7e280c6e61d21967012

  • SHA1

    29f679eaf365915eedf23f2fdb5f845d31efd423

  • SHA256

    d1b76aa2d80409484f1c3908adfadbe713dbf62f82765ea3317ff8210f9f1e37

  • SHA512

    f162dcc9f4d06d685188bde4fe58f8a74fc36acba3964170fb6fcfad22013d0ed893c8eb481ee18d7e044b4fc47755e8160c8011808adc1f9c636e74bdde70bb

  • SSDEEP

    384:zYenjLLAyI/1B7mwOcqNHPj6ABmFWcOVp91YWUxDG/:azfqweWbc9etxD8

  Score

  10^/10

  chaosevasionransomwarespywarestealer

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos

  • Chaos Ransomware

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomware

  • Detects command variations typically used by ransomware

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Renames multiple (174) files with added filename extension

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

    ransomware

  • Deletes backup catalog

    Uses wbadmin.exe to inhibit system recovery.

    ransomware

  • Disables Task Manager via registry modification

    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)

  behavioral1behavioral2