Overview

overview

10

Static

static

10

2024-02-12...ry.exe

windows7-x64

10

2024-02-12...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-02-12_cc50bf2e8d2193b639a290a0cbce692f_wannacry

  • Size

    283KB

  • Sample

    240212-a6k2nafe68

  • MD5

    cc50bf2e8d2193b639a290a0cbce692f

  • SHA1

    b0af443a898cfd67a7c3594386dcad58766a6173

  • SHA256

    898a15443ef7e862ba028d823670fbeb4952f6cbf33881bce0891e1f8b34bd7a

  • SHA512

    629094d36db5c661435b153cf50fb4b76e96d13a1b45c44d1d397f4f43c89c6fb27e89545a3d361f41abe1373022e7959df33ead35f27f0c4ebbb79ded5b9523

  • SSDEEP

    6144:v4Iq9NZl3CFqpmvVIaUQBFqwjJVCUpVgItzBeT:v4lOFqIEQB0wjJVC4VgItzB

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-02-12_cc50bf2e8d2193b639a290a0cbce692f_wannacry

    • Size

      283KB

    • MD5

      cc50bf2e8d2193b639a290a0cbce692f

    • SHA1

      b0af443a898cfd67a7c3594386dcad58766a6173

    • SHA256

      898a15443ef7e862ba028d823670fbeb4952f6cbf33881bce0891e1f8b34bd7a

    • SHA512

      629094d36db5c661435b153cf50fb4b76e96d13a1b45c44d1d397f4f43c89c6fb27e89545a3d361f41abe1373022e7959df33ead35f27f0c4ebbb79ded5b9523

    • SSDEEP

      6144:v4Iq9NZl3CFqpmvVIaUQBFqwjJVCUpVgItzBeT:v4lOFqIEQB0wjJVC4VgItzB

    Score
    10/10
    chaosevasionpersistenceransomwarespywarestealer

    • 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

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks