Extracted

• • Target

    2024-08-22_da7836f28eb1d6d8b9403a9446ba46bc_wannacry

  • Size

    276KB

  • MD5

    da7836f28eb1d6d8b9403a9446ba46bc

  • SHA1

    8a93a6ce6540bb529b3a90ad476133a5da836cc7

  • SHA256

    d606cef96f6cbd1ce7b0b577bc0f3c12d3eec8f3da56cce9b6027c315a6ab8ee

  • SHA512

    ea437d424f193869fb99821c35deb0b1590ef256dfa46d3bd95adc647b3e5720647a6a94212942c49889bfb26b0c37799680501fba21fc45e6665b508882835f

  • SSDEEP

    6144:rswX77qtFAjI/SqAg8m5xA+ey0twt4lEr9d4Xu:rswXMAjIaqAg8GxPT0twt4lGq

  Score

  10^/10

  chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos

  • Chaos Ransomware

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Looks for VirtualBox Guest Additions in registry

    evasion

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Deletes backup catalog

    Uses wbadmin.exe to inhibit system recovery.

    ransomware

  • Looks for VMWare Tools registry key

    evasion

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • 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)

  • Maps connected drives based on registry

    Disk information is often read in order to detect sandboxing environments.

  behavioral1behavioral2