Overview

overview

10

Static

static

3

OperaSetup.exe

windows7-x64

7

OperaSetup.exe

windows10-1703-x64

8

OperaSetup.exe

windows10-2004-x64

OperaSetup.exe

windows11-21h2-x64

8

Resubmissions

10/10/2024, 16:18

241010-tr5x3avbrc 10

10/10/2024, 16:17

241010-trhsjavbnh 7

Sharing

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General

  • Target

    OperaSetup.bat

  • Size

    2.1MB

  • Sample

    241010-tr5x3avbrc

  • MD5

    46252fe1a6423fbbd272b168d98c00ba

  • SHA1

    fd4ede984fea0e0a15f1b03ec1ee7aa7393903cd

  • SHA256

    dc074ad6fcb6a29b76b8da45c84ecb811c3ddcd662d93ec69f0929578c267383

  • SHA512

    ac68428d96d606d87d83f22e31585d3944e83f7cf90a101d685867970d2a6a6df54e6f84daffafb04e7f38bfeb61001291178c30cbfe0ae926995b27045d9592

  • SSDEEP

    49152:RVAbwC95j527tIqUxHzKHhDLsRikQUTsoUq8IcgXzNGLRg9x:3AM7tqxTKHnqsoUq8ajzx

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      OperaSetup.bat

    • Size

      2.1MB

    • MD5

      46252fe1a6423fbbd272b168d98c00ba

    • SHA1

      fd4ede984fea0e0a15f1b03ec1ee7aa7393903cd

    • SHA256

      dc074ad6fcb6a29b76b8da45c84ecb811c3ddcd662d93ec69f0929578c267383

    • SHA512

      ac68428d96d606d87d83f22e31585d3944e83f7cf90a101d685867970d2a6a6df54e6f84daffafb04e7f38bfeb61001291178c30cbfe0ae926995b27045d9592

    • SSDEEP

      49152:RVAbwC95j527tIqUxHzKHhDLsRikQUTsoUq8IcgXzNGLRg9x:3AM7tqxTKHnqsoUq8ajzx

    Score
    10/10
    discoveryspywarestealerevasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Downloads MZ/PE file

    • 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 desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks