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Overview

overview

10

Static

static

10

2024-05-22...ry.exe

windows7-x64

10

2024-05-22...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-22_731178dd28d3b8ee829fb6ac4d3c065a_wannacry

  • Size

    323KB

  • Sample

    240522-ltgz1sba59

  • MD5

    731178dd28d3b8ee829fb6ac4d3c065a

  • SHA1

    11c4a6be0a123812b916d4a8eba96857f311d906

  • SHA256

    c9bd1abfb6e520d973284f2fbebaf14cd1cf5db7c2e2956e9d4a9b0564547b81

  • SHA512

    9d2b61b08b9d1b8503ae647d27d5cf4604dfc81ff2c923933ea3bae473d8a3a4bdfe7032486baf1dfe5a28c51bc1f57a79f07ac289e045087dd9ebbbc870c024

  • SSDEEP

    3072:ooy4lr9N4L/mQZt2FWtMB6w31viSYrwCa2CybjDjBJRrrS0n4+3GK2vVort6jbQG:fr9N4LS6MBrYH3vxshzmZ6jO7SV2

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-05-22_731178dd28d3b8ee829fb6ac4d3c065a_wannacry

    • Size

      323KB

    • MD5

      731178dd28d3b8ee829fb6ac4d3c065a

    • SHA1

      11c4a6be0a123812b916d4a8eba96857f311d906

    • SHA256

      c9bd1abfb6e520d973284f2fbebaf14cd1cf5db7c2e2956e9d4a9b0564547b81

    • SHA512

      9d2b61b08b9d1b8503ae647d27d5cf4604dfc81ff2c923933ea3bae473d8a3a4bdfe7032486baf1dfe5a28c51bc1f57a79f07ac289e045087dd9ebbbc870c024

    • SSDEEP

      3072:ooy4lr9N4L/mQZt2FWtMB6w31viSYrwCa2CybjDjBJRrrS0n4+3GK2vVort6jbQG:fr9N4LS6MBrYH3vxshzmZ6jO7SV2

    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

    • Detects command variations typically used by ransomware

    • 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