Overview

overview

10

Static

static

10

05efe778c9...9c.exe

windows7-x64

10

05efe778c9...9c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    05efe778c9253dc647b2667b4c821426a427607d3676e1d03a7e02c5b1e7279c

  • Size

    27KB

  • Sample

    230815-qwaqyaba29

  • MD5

    f680f45e190c032931f189ab71caecbc

  • SHA1

    02b52470aabee1a8f2700d902e249bf19ec0d945

  • SHA256

    05efe778c9253dc647b2667b4c821426a427607d3676e1d03a7e02c5b1e7279c

  • SHA512

    5647471f0fb9c01f7dd1767fafac4e40409fefac241caa4f64d86e42b7705f623a1cc7be49388dda76144261a3a7d3c42dd04ef134983ef15de0c10ddaef3294

  • SSDEEP

    384:3tWZPzzxAm1vaohWAdZ71+kezxBSKrvylvOy5o91z1rxYlf82vi:O7zxAmphxdZgke26Aho9dre826

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      05efe778c9253dc647b2667b4c821426a427607d3676e1d03a7e02c5b1e7279c

    • Size

      27KB

    • MD5

      f680f45e190c032931f189ab71caecbc

    • SHA1

      02b52470aabee1a8f2700d902e249bf19ec0d945

    • SHA256

      05efe778c9253dc647b2667b4c821426a427607d3676e1d03a7e02c5b1e7279c

    • SHA512

      5647471f0fb9c01f7dd1767fafac4e40409fefac241caa4f64d86e42b7705f623a1cc7be49388dda76144261a3a7d3c42dd04ef134983ef15de0c10ddaef3294

    • SSDEEP

      384:3tWZPzzxAm1vaohWAdZ71+kezxBSKrvylvOy5o91z1rxYlf82vi:O7zxAmphxdZgke26Aho9dre826

    Score
    10/10
    chaosevasionpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks