Overview

overview

10

Static

static

10

2024-05-26...ry.exe

windows7-x64

9

2024-05-26...ry.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-05-26_63263c7764df5469c6683700699f9d1a_wannacry

  • Size

    2.4MB

  • Sample

    240526-bxq2zsaa2y

  • MD5

    63263c7764df5469c6683700699f9d1a

  • SHA1

    a11de9cb5acd9b04fbbd3d4568a53713c7c3bd40

  • SHA256

    79fe78a198078c1810a45cd7ff8f97292b3a15c4ec65601f979be576a424e9ac

  • SHA512

    207c04f5d08230200ab0908b4f719ecb2d0085ffd26dfe6461c9fdb12e6cbe9736326338851291de65137019ab52ace2230d0fac1592cf3965f8ccbaf2a30a73

  • SSDEEP

    1536:jpHBovOj4CPN0iyR5KXzik7t3ZVw3GaalZJlrw+TBSD5vl/xvzWWvoqd:ZBoQ2RGaallrnUBlJ6o

Score
10/10
defense_evasionevasionexecutionimpactransomwarespywarestealer

Malware Config

Targets

    • Target

      2024-05-26_63263c7764df5469c6683700699f9d1a_wannacry

    • Size

      2.4MB

    • MD5

      63263c7764df5469c6683700699f9d1a

    • SHA1

      a11de9cb5acd9b04fbbd3d4568a53713c7c3bd40

    • SHA256

      79fe78a198078c1810a45cd7ff8f97292b3a15c4ec65601f979be576a424e9ac

    • SHA512

      207c04f5d08230200ab0908b4f719ecb2d0085ffd26dfe6461c9fdb12e6cbe9736326338851291de65137019ab52ace2230d0fac1592cf3965f8ccbaf2a30a73

    • SSDEEP

      1536:jpHBovOj4CPN0iyR5KXzik7t3ZVw3GaalZJlrw+TBSD5vl/xvzWWvoqd:ZBoQ2RGaallrnUBlJ6o

    Score
    9/10
    defense_evasionevasionexecutionimpactransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Detects command variations typically used by ransomware

    • Renames multiple (807) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops file in Drivers directory

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks