Overview

overview

8

Static

static

3

OperaSetup.exe

windows10-2004-x64

8

OperaSetup.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    OperaSetup.exe
  • Size 3.1MB
  • Sample261011-g5vb9sda59
  • SHA256 6fa94d7e9e9117e2e85a6fbf24b58a30a4b4af5dfd8090a389c72f45416d1666
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryspywarestealertrojan

Malware Config

Targets

    • Target
      OperaSetup.exe
    • Size 3.1MB
    • SHA256 6fa94d7e9e9117e2e85a6fbf24b58a30a4b4af5dfd8090a389c72f45416d1666
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryspywarestealertrojan

    • 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

    • Writes a Windows system DLL name to a user directory

      A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.

      defense_evasion

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Hijack Execution Flow

1
T1574

DLL Search Order Hijacking

1
T1574.001

Privilege Escalation

Hijack Execution Flow

1
T1574

DLL Search Order Hijacking

1
T1574.001

Defense Evasion

Hijack Execution Flow

1
T1574

DLL Search Order Hijacking

1
T1574.001

Masquerading

1
T1036

Match Legitimate Name or Location

1
T1036.005

Modify Registry

1
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

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks