Overview

overview

10

Static

static

3

Boostrapper.exe

windows7-x64

7

Boostrapper.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Boostrapper.exe.zip

  • Size

    10.7MB

  • Sample

    241028-xv5cgsvfnd

  • MD5

    6c0dd00f040701d398c6b73e46c9ad92

  • SHA1

    f45cc531c34dfd6eb09e35ae2a7928925e48ba66

  • SHA256

    c21d5963fd43f71e088f7c129a19b264506d6e46f48628efa9b79e5069961e7f

  • SHA512

    b695adcba17a96503ebc27575c7f3cec32cadabd51a07d0e733d7b46158e18e56d34b448cdaac1d8417db62d6ed83403e6f7d343b791530a4a1e3a88c78883a7

  • SSDEEP

    196608:Xthl+sR16xFgrmGcrxWYMnofQ4idq4gqWbOcAR87UVO/wirjJW7JeF641bu:N+sax+rmHrxJMQQZL87QOhjslg6

Score
10/10
exelastealercollectiondiscoveryevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Boostrapper.exe.bin

    • Size

      10.9MB

    • MD5

      6390418430110520a4d006b0c2ab8d45

    • SHA1

      c013eeeb2371dfdc5bd8cdf6089755ec194651c8

    • SHA256

      74be66125d0ddee38181d7dbbe5d2a7128884ca857b60290cbc6117d639a8e73

    • SHA512

      a2760ae467cbba2850221da3d6ff2cfbe59ee6d4bebd84274d88ede35317b8fa13e676ace5d10ec6cf0eba945ccf8ede229d311cad20adb0cc6eee24308aac30

    • SSDEEP

      196608:T+E3RBAYZPJb3tQk5tOeNvX+wfm/pf+xfdkRoTvKnruOLW0D+qI:dAYZP7v5tRvX+9/pWFGRwCnru8R+t

    Score
    10/10
    upxexelastealercollectiondiscoveryevasionpersistenceprivilege_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

    • 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

    • 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

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