Overview

overview

10

Static

static

3

Rebel/Bin/...or.exe

windows7-x64

5

Rebel/Bin/...or.exe

windows10-2004-x64

5

Rebel/Bin/Rebel.dll

windows7-x64

1

Rebel/Bin/Rebel.dll

windows10-2004-x64

1

Rebel/Fast...ox.dll

windows7-x64

1

Rebel/Fast...ox.dll

windows10-2004-x64

1

Rebel/Rebe...ed.exe

windows7-x64

8

Rebel/Rebe...ed.exe

windows10-2004-x64

10

Rebel/Syst...om.dll

windows7-x64

1

Rebel/Syst...om.dll

windows10-2004-x64

1

Sharing

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General

  • Target
    Rebel.zip
  • Size 21.3MB
  • Sample240824-rmlmhstfrd
  • SHA256 7d95f2dbdfffd9227cc5832d6ee21c385a18c43b4155edc3a9fc1d988c63bf78
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target
      Rebel/Bin/Injector.exe
    • Size 4.8MB
    • SHA256 7450c90fad1d9ed73652c7fee391adb41ee2c62d5d43f3bdcab945e3fdec5485
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2
    • Target
      Rebel/Bin/Rebel.dll
    • Size 8.6MB
    • SHA256 c9b95b9204234edfab46912d21953e3a6985a6b7d50c4fd63372e3d5361c7f3d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral3behavioral4
    • Target
      Rebel/FastColoredTextBox.dll
    • Size 323KB
    • SHA256 ac926c92ccfc3789a5ae571cc4415eb1897d500a79604d8495241c19acdf01b9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral5behavioral6
    • Target
      Rebel/RebelCracked.exe
    • Size 12.0MB
    • SHA256 11b8d77615bf67f99ff344792f5739eb73157866f548c59ebcfcac70d5a6ef88
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoveryexecutionpyinstallerupxexelastealercollectioncredential_accessdefense_evasionevasionpersistenceprivilege_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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Clipboard Data

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

      collection

    • 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

    • 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
    behavioral7behavioral8
    • Target
      Rebel/System.CodeDom.dll
    • Size 30KB
    • SHA256 e8c88b0448083663910587efeacb6a1977749fe3ffe83b263fc01f7b63d7dfd2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    behavioral10behavioral9

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Query Registry

2
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

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