Overview

overview

10

Static

static

10

2024-05-15...ry.exe

windows7-x64

10

2024-05-15...ry.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry

  • Size

    21KB

  • Sample

    240515-xa9fpsee26

  • MD5

    c0a852ef9b726d21bd41ccb2062896cb

  • SHA1

    1bb8de6a0cf14c8a81647975f71cb3825cb18e42

  • SHA256

    3fafb23499cd2f44180d9b244d68494249ac892362b0bf4f2469d32081a411e0

  • SHA512

    c76ebdce894281d5e2c6bff455747a24b63068e4563be47755c2cfaccab92610bb209ed781b8209c40927a02b199d0890d268b1a4606cf0eaf4556470d03b92d

  • SSDEEP

    384:m3MLWHn3kIceY1remPbArdip3NVcjuZJmr91CrQIek:Kn3kI+6mPbArMp9CjKmr9STek

Score
10/10
chaosdefense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-05-15_c0a852ef9b726d21bd41ccb2062896cb_destroyer_wannacry

    • Size

      21KB

    • MD5

      c0a852ef9b726d21bd41ccb2062896cb

    • SHA1

      1bb8de6a0cf14c8a81647975f71cb3825cb18e42

    • SHA256

      3fafb23499cd2f44180d9b244d68494249ac892362b0bf4f2469d32081a411e0

    • SHA512

      c76ebdce894281d5e2c6bff455747a24b63068e4563be47755c2cfaccab92610bb209ed781b8209c40927a02b199d0890d268b1a4606cf0eaf4556470d03b92d

    • SSDEEP

      384:m3MLWHn3kIceY1remPbArdip3NVcjuZJmr91CrQIek:Kn3kI+6mPbArMp9CjKmr9STek

    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)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Command and Scripting Interpreter

1
T1059

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks