Overview

overview

9

Static

static

3

OperaSetup.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    OperaSetup.exe

  • Size

    5.1MB

  • Sample

    240426-27nbysea83

  • MD5

    7cb2c11c1433f6560439cfb41bc28a3b

  • SHA1

    7380a1eeec6717167710db3384c6fcbabe3ded8a

  • SHA256

    1bac804e989cca3a8776d0241a45d2175df95a255a144121e60626cb0dd0dce8

  • SHA512

    effdd3f8ea4acaae9bd3faaa004e468411037f28f63a21668c6b7de6e3f62629aa5ebd040b1d15b9cb44f5a88ddb0cb5d649e4b7b4f44bf031a5279c3b664ba5

  • SSDEEP

    98304:90NFI6666666666666666666666666666666x666666666666666fwwwwwwwwwwG:PPMki6zio75L3pf3dedO4keCIwkoYbgm

Score
9/10
discoveryevasionransomwarespywarestealer

Malware Config

Targets

    • Target

      OperaSetup.exe

    • Size

      5.1MB

    • MD5

      7cb2c11c1433f6560439cfb41bc28a3b

    • SHA1

      7380a1eeec6717167710db3384c6fcbabe3ded8a

    • SHA256

      1bac804e989cca3a8776d0241a45d2175df95a255a144121e60626cb0dd0dce8

    • SHA512

      effdd3f8ea4acaae9bd3faaa004e468411037f28f63a21668c6b7de6e3f62629aa5ebd040b1d15b9cb44f5a88ddb0cb5d649e4b7b4f44bf031a5279c3b664ba5

    • SSDEEP

      98304:90NFI6666666666666666666666666666666x666666666666666fwwwwwwwwwwG:PPMki6zio75L3pf3dedO4keCIwkoYbgm

    Score
    9/10
    discoveryevasionransomwarespywarestealer

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1
T1222

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

1
T1490

Resource Development

Reconnaissance

Tasks