Overview

overview

10

Static

static

3

capthca-bypass.exe

windows7-x64

7

capthca-bypass.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    capthca-bypass.exe.bin

  • Size

    11.5MB

  • Sample

    241028-xxyygsvfqd

  • MD5

    de7ff730a2a6f210a17a519bed5163eb

  • SHA1

    c20ce119785f034ee5685c3215b113d67da0e417

  • SHA256

    e5318febf978070392c87389d5e48ae4bfa2306df5d1b9a1ef72f84c2add6c6a

  • SHA512

    dc3c99b3fae7507e2792dbaca46b1219c5214ed68f8d417110437f2020e8fd2cbf7d056ca1e283ae8b98a3bee07f78c2fecca269302bf6f8306fac43bfe71e91

  • SSDEEP

    196608:Wq/sl9PAT/HHICV3eNy+wfm/pf+xfdjSEqRfrtlKDdSDrAWOAXWsDaFkH:p1TPICyy+9/pWF8NRfrtAcDrAW3XTa6H

Score
10/10
exelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      capthca-bypass.exe.bin

    • Size

      11.5MB

    • MD5

      de7ff730a2a6f210a17a519bed5163eb

    • SHA1

      c20ce119785f034ee5685c3215b113d67da0e417

    • SHA256

      e5318febf978070392c87389d5e48ae4bfa2306df5d1b9a1ef72f84c2add6c6a

    • SHA512

      dc3c99b3fae7507e2792dbaca46b1219c5214ed68f8d417110437f2020e8fd2cbf7d056ca1e283ae8b98a3bee07f78c2fecca269302bf6f8306fac43bfe71e91

    • SSDEEP

      196608:Wq/sl9PAT/HHICV3eNy+wfm/pf+xfdjSEqRfrtlKDdSDrAWOAXWsDaFkH:p1TPICyy+9/pWF8NRfrtAcDrAW3XTa6H

    Score
    10/10
    upxexelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationspywarestealer

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Exelastealer family

      exelastealer

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

      evasion

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

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

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

System Information Discovery

3
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks