Overview

overview

10

Static

static

3

OperaGXSetup.exe

windows11-21h2-x64

10

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General

  • Target

    OperaGXSetup.exe

  • Size

    3.8MB

  • Sample

    250118-d12c8sskdq

  • MD5

    b7ae71c3434b37da6d4ded743256092e

  • SHA1

    64bd14bbcae4d7645a576d387ecc5f654ff98fea

  • SHA256

    7bbf75a95c1ce0e6d57acfb4c7b2becf73932545f7ae6cb5da36266de128210a

  • SHA512

    27f7abad8d7e9edc492e14171554d741d2317d4b05d7f24beb8b73cdd4113a4d55cf540483203bd0f2585f4f320cfb2d7bd414b966045b7675cabadb3a64a718

  • SSDEEP

    98304:fAU8bcWhTQvY8XYKGEAq/xFRAutU+6s3yEoivcdIrmIX+dFZdM:LCh98XYK3Aq/zmcfoiv18/dM

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      OperaGXSetup.exe

    • Size

      3.8MB

    • MD5

      b7ae71c3434b37da6d4ded743256092e

    • SHA1

      64bd14bbcae4d7645a576d387ecc5f654ff98fea

    • SHA256

      7bbf75a95c1ce0e6d57acfb4c7b2becf73932545f7ae6cb5da36266de128210a

    • SHA512

      27f7abad8d7e9edc492e14171554d741d2317d4b05d7f24beb8b73cdd4113a4d55cf540483203bd0f2585f4f320cfb2d7bd414b966045b7675cabadb3a64a718

    • SSDEEP

      98304:fAU8bcWhTQvY8XYKGEAq/xFRAutU+6s3yEoivcdIrmIX+dFZdM:LCh98XYK3Aq/zmcfoiv18/dM

    Score
    10/10
    dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Dharma family

      dharma

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (573) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Downloads MZ/PE file

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Drops startup 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

    • Adds Run key to start application

      persistence

    • 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

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

1
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Credentials from Password Stores

2
T1555

Credentials from Web Browsers

1
T1555.003

Windows Credential Manager

1
T1555.004

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
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

Inhibit System Recovery

2
T1490

Tasks