Overview

overview

10

Static

static

5

2026-08-30...op.exe

windows10-2004-x64

10

2026-08-30...op.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-30_4b3c3d1bbb3f4565a344340dd9df3bcd_elex_stop
  • Size 2.1MB
  • Sample260831-nyj2aa1cmb
  • SHA256 67cfec2c81be3fa9e8247aa931a595f9bf003e001af26292d638b1758c73e40c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
keybasecollectiondefense_evasiondiscoveryexecutionpersistencespywarestealer

Malware Config

Targets

    • Target
      2026-08-30_4b3c3d1bbb3f4565a344340dd9df3bcd_elex_stop
    • Size 2.1MB
    • SHA256 67cfec2c81be3fa9e8247aa931a595f9bf003e001af26292d638b1758c73e40c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    collectiondefense_evasiondiscoveryexecutionkeybasepersistencespywarestealer

    • Detects KeyBase stealer

    • Family: KeyBase

      KeyBase is a .NET credential stealer and keylogger first emerging in February 2015.

      stealerkeybase

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Detects executables referencing many email and collaboration clients. Observed in information steale

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

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

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Exfiltration

Impact

Tasks