Overview

overview

10

Static

static

3

nyxbootsrapper.exe

windows7-x64

7

nyxbootsrapper.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    nyxbootsrapper.exe

  • Size

    31.8MB

  • Sample

    250213-1y111swlbr

  • MD5

    32c6336f559ac3078624674d38ba930a

  • SHA1

    f1ad95abc829a990b32ae9bc54a707654a70f5a0

  • SHA256

    221e2664ba4e786cbf69d6f3dff39445564cdc8ccdde64fcb5f02639df5ee5d6

  • SHA512

    6c688a6447626441a2fb54668d98cd3793e4d73b261687d1312ebe3b97fc21408b471c3f4fbe93eb9b819d503f9c851217fa7ba27d6b0a9dab448c0a5016a328

  • SSDEEP

    196608:L0DizKAUusknqkPYeveNo+wfm/pf+xfdjSEqRKOAxKwPr2WOHWKD3beH:8ipkSMo+9/pWF8NRw0qr2W673KH

Score
10/10
exelastealercollectiondefense_evasiondiscoverypersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      nyxbootsrapper.exe

    • Size

      31.8MB

    • MD5

      32c6336f559ac3078624674d38ba930a

    • SHA1

      f1ad95abc829a990b32ae9bc54a707654a70f5a0

    • SHA256

      221e2664ba4e786cbf69d6f3dff39445564cdc8ccdde64fcb5f02639df5ee5d6

    • SHA512

      6c688a6447626441a2fb54668d98cd3793e4d73b261687d1312ebe3b97fc21408b471c3f4fbe93eb9b819d503f9c851217fa7ba27d6b0a9dab448c0a5016a328

    • SSDEEP

      196608:L0DizKAUusknqkPYeveNo+wfm/pf+xfdjSEqRKOAxKwPr2WOHWKD3beH:8ipkSMo+9/pWF8NRw0qr2W673KH

    Score
    10/10
    upxexelastealercollectiondefense_evasiondiscoverypersistenceprivilege_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.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_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

    • 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

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 Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

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