Extracted

• • Target

    2024-08-22_c4cc2b7a0e7f9d971cc0e15e7c4a5187_destroyer_wannacry

  • Size

    35KB

  • MD5

    c4cc2b7a0e7f9d971cc0e15e7c4a5187

  • SHA1

    f86d9a402129657b37f4e65dd6b998bd68dd741f

  • SHA256

    db6f25c92afed67df724581d62d2d11669d5946fe5f1a53dc02ec6aa5265344c

  • SHA512

    375ac75dcf2b0acc89917d27e758f191085670ca60dc27379a3e2f61b339df0adeaa1dc23dd8026969fbbefe1cf6a51addade499ce52fac64b3428045f979dc9

  • SSDEEP

    768:wqoyptoxRFbmAu2Z/i4+kPLFr9C6IxbL6ume4:XoysF8ua47LFr9C6I1j4

  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

  • 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