Overview

overview

9

Static

static

3

WanySad.exe

windows10-ltsc_2021-x64

9

WanySad.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    WanySad.exe
  • Size 3.1MB
  • Sample260721-qectzatzfw
  • SHA256 6089e4a823750474f719377f2f4afece486283dc376bc60a17ad3e6dc8c13e0e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionimpactpersistenceransomware

Malware Config

Targets

    • Target
      WanySad.exe
    • Size 3.1MB
    • SHA256 6089e4a823750474f719377f2f4afece486283dc376bc60a17ad3e6dc8c13e0e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasionexecutionimpactpersistenceransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

2
T1490

Tasks