Overview

overview

10

Static

static

10

2b693de1eb...00.exe

windows7-x64

10

2b693de1eb...00.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2b693de1eba37e3b56c1c989a5906dab23526cad9873e400532a66a75e8e9d00

  • Size

    345KB

  • Sample

    241024-y2hmqsshng

  • MD5

    87dd1c2224ef79ce8fce59caa0bb1964

  • SHA1

    b183d956eb2fab6ece59fd9768b78f0ab172979a

  • SHA256

    2b693de1eba37e3b56c1c989a5906dab23526cad9873e400532a66a75e8e9d00

  • SHA512

    d0c1036023b004d58052526892d35d726eb37035fc3e1a2803db628fcd20708b9da32501057655e134e50707e59729f7181d386f3b2b81187de0f5955a9efcce

  • SSDEEP

    6144:KYBTq90cteSShbS9cYbNYuXjaPNIqWAPk+O7HkXK6k:KYBDcteSSNS9cGMSqWAPk+Orkk

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      2b693de1eba37e3b56c1c989a5906dab23526cad9873e400532a66a75e8e9d00

    • Size

      345KB

    • MD5

      87dd1c2224ef79ce8fce59caa0bb1964

    • SHA1

      b183d956eb2fab6ece59fd9768b78f0ab172979a

    • SHA256

      2b693de1eba37e3b56c1c989a5906dab23526cad9873e400532a66a75e8e9d00

    • SHA512

      d0c1036023b004d58052526892d35d726eb37035fc3e1a2803db628fcd20708b9da32501057655e134e50707e59729f7181d386f3b2b81187de0f5955a9efcce

    • SSDEEP

      6144:KYBTq90cteSShbS9cYbNYuXjaPNIqWAPk+O7HkXK6k:KYBDcteSSNS9cGMSqWAPk+Orkk

    Score
    10/10
    chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • 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

    • 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

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Management Instrumentation

1
T1047

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

Direct Volume Access

1
T1006

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Inhibit System Recovery

4
T1490

Tasks