Overview

overview

10

Static

static

10

2024-04-18...ry.exe

windows7-x64

10

2024-04-18...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-18_8f2fc5dfe5bad0015842dbe92da023df_wannacry

  • Size

    128KB

  • Sample

    240418-jnxgeafc39

  • MD5

    8f2fc5dfe5bad0015842dbe92da023df

  • SHA1

    67bc07193daa7d1682440657be9019f456a6ae6a

  • SHA256

    e32188f9dfa8b7d36a95edc45a56b39311fefd1df28af00a7e56b42e00557321

  • SHA512

    425de873f2cc95097ba7017b54a59905e2fc0af90a2d87f8e2ce04085350ae87e8223486ccaa6d50aba5e46a9085bda38b3099761d9f4d8869c6af4bad6b1b9c

  • SSDEEP

    3072:voTyX1r9maVrm4vCiipjEC7AXRTZfkTF8qmRHXHC56POTLe:Blr9maHajEQYRV4FkXHvG3

Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-04-18_8f2fc5dfe5bad0015842dbe92da023df_wannacry

    • Size

      128KB

    • MD5

      8f2fc5dfe5bad0015842dbe92da023df

    • SHA1

      67bc07193daa7d1682440657be9019f456a6ae6a

    • SHA256

      e32188f9dfa8b7d36a95edc45a56b39311fefd1df28af00a7e56b42e00557321

    • SHA512

      425de873f2cc95097ba7017b54a59905e2fc0af90a2d87f8e2ce04085350ae87e8223486ccaa6d50aba5e46a9085bda38b3099761d9f4d8869c6af4bad6b1b9c

    • SSDEEP

      3072:voTyX1r9maVrm4vCiipjEC7AXRTZfkTF8qmRHXHC56POTLe:Blr9maHajEQYRV4FkXHvG3

    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