Overview

overview

10

Static

static

3

BooststrapperNEW.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    BooststrapperNEW.exe
  • Size 6.7MB
  • Sample261027-p7phssds2w
  • SHA256 4dc3acef691601789be6075916a4ff7b79b899f9b93f03b833c2a9797898f231
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigcredential_accessdefense_evasiondiscoveryexecutionminerpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      BooststrapperNEW.exe
    • Size 6.7MB
    • SHA256 4dc3acef691601789be6075916a4ff7b79b899f9b93f03b833c2a9797898f231
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    credential_accessdefense_evasiondiscoveryexecutionxmrigminerpersistenceprivilege_escalationspywarestealer

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • 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

      defense_evasion

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

      spywarestealer

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

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

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Masquerading

1
T1036

Match Legitimate Name or Location

1
T1036.005

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

6
T1552

Credentials In Files

6
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

1
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Data from Local System

5
T1005

Command and Control

Exfiltration

Impact

Tasks