Overview

overview

10

Static

static

3

viewbot/TKfucker.exe

windows10-2004-x64

7

viewbot/TKfucker.exe

windows11-ltsc_2024-x64

10

viewbot/vi...ain.js

windows10-2004-x64

3

viewbot/vi...ain.js

windows11-ltsc_2024-x64

3

Sharing

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General

  • Target
    0x21 social bot.zip
  • Size 9.1MB
  • Sample260831-aen91ascqa
  • SHA256 34a0cd82ca674eb6c48dc7ccc0cc3aa5126f66ca3945f0d5fe7222073195e0fd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xmrigdefense_evasiondiscoveryexecutionminerpersistencespywarestealer

Malware Config

Targets

    • Target
      viewbot/TKfucker.exe
    • Size 9.1MB
    • SHA256 557d567474b6a7f1fda0c0d052dbc86ed845c380dc94c2f324350bc9e2408ecd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executiondefense_evasiondiscoveryxmrigminerpersistencespywarestealer

    • 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 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2
    • Target
      viewbot/viewbot/main.go
    • Size 25KB
    • SHA256 a3b8c6131f36578a57c7bb59b696eeff6ec7bb9c4c0bfe7b89c102cc32747409
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    execution
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

3
T1059

JavaScript

1
T1059.007

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Query Registry

2
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks