Overview

overview

10

Static

static

3

YaraReborn.exe

windows7-x64

7

YaraReborn.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    YaraReborn.exe

  • Size

    24.4MB

  • Sample

    240827-k7jv4atbrh

  • MD5

    6138b26ffdef50bb16b5085f17e007e0

  • SHA1

    2f6c0f60a7e6e8e326440431f95ddac186bdfa8c

  • SHA256

    82d4d5c28bac799911f148994e2c6782346caa7c28e2d892ec6767514b8fa08c

  • SHA512

    7427ddcdd36d64730bd5ec32c1ddcacf1f034c83625d49b039b263c6466b2d02aff273a6d5e49667773ef772627ead95f155b64c60925cb4823182fac6e38490

  • SSDEEP

    393216:o5FDqet5y+9/pWF8NREnfXBPDrIW1TaDH:gDLy+9/pWSCo6q

Score
10/10
exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      YaraReborn.exe

    • Size

      24.4MB

    • MD5

      6138b26ffdef50bb16b5085f17e007e0

    • SHA1

      2f6c0f60a7e6e8e326440431f95ddac186bdfa8c

    • SHA256

      82d4d5c28bac799911f148994e2c6782346caa7c28e2d892ec6767514b8fa08c

    • SHA512

      7427ddcdd36d64730bd5ec32c1ddcacf1f034c83625d49b039b263c6466b2d02aff273a6d5e49667773ef772627ead95f155b64c60925cb4823182fac6e38490

    • SSDEEP

      393216:o5FDqet5y+9/pWF8NREnfXBPDrIW1TaDH:gDLy+9/pWSCo6q

    Score
    10/10
    upxexelastealercollectioncredential_accessdefense_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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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

    • UPX packed file

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

      upx

    • 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
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Account Manipulation

1
T1098

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

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

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