Overview

overview

10

Static

static

10

2024-04-17...ry.exe

windows7-x64

10

2024-04-17...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-17_9f99b9ecdb90b991aa0eb5884523185f_wannacry

  • Size

    165KB

  • Sample

    240417-qxk83abe4t

  • MD5

    9f99b9ecdb90b991aa0eb5884523185f

  • SHA1

    5d99a9343765bb758f8ee85585dd376ec190c6e4

  • SHA256

    3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08

  • SHA512

    5c7a8f872bd0c5800e60e164eb605650eac06a6fc07322ab78274cd9c024e08c7cb8797580ecfb9067efd0ab6a1117e5c23fd78b4e6256ccecea4997f0859ed5

  • SSDEEP

    3072:36oLuur9P2Wr6QhzaNpatUPp0hmHzs/0ui8N/Wm9BsB85:dr9P2Wrb2R0Ya/28

Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-04-17_9f99b9ecdb90b991aa0eb5884523185f_wannacry

    • Size

      165KB

    • MD5

      9f99b9ecdb90b991aa0eb5884523185f

    • SHA1

      5d99a9343765bb758f8ee85585dd376ec190c6e4

    • SHA256

      3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08

    • SHA512

      5c7a8f872bd0c5800e60e164eb605650eac06a6fc07322ab78274cd9c024e08c7cb8797580ecfb9067efd0ab6a1117e5c23fd78b4e6256ccecea4997f0859ed5

    • SSDEEP

      3072:36oLuur9P2Wr6QhzaNpatUPp0hmHzs/0ui8N/Wm9BsB85:dr9P2Wrb2R0Ya/28

    Score
    10/10
    chaosevasionransomwarespywarestealer

    • 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

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

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

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks