Overview

overview

8

Static

static

LogonFuck.exe

windows10-2004_x64

8

LogonFuck.exe

windows11_x64

Sharing

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General

  • Target

    LogonFuck.exe

  • Size

    9.4MB

  • Sample

    220706-fbrhvaagg5

  • MD5

    0a2b300c470403d18d20e3165e8d65b3

  • SHA1

    8c11a3169e87c5d2299367efb2560100c44ddacb

  • SHA256

    ed14a4d2759d943ecf24e78779da1211a9ba7a143b25f30fced6f58705a15635

  • SHA512

    0a718f62cb3b4f3b656b7f831298e555c136c053ae0ffe697a7b60836c14411cead48f74aa5eb115aea09aedf5b23dfe353742bade5eb872144c5b54fc278d1b

Score
8/10
discoveryevasionpersistence

Malware Config

Targets

    • Target

      LogonFuck.exe

    • Size

      9.4MB

    • MD5

      0a2b300c470403d18d20e3165e8d65b3

    • SHA1

      8c11a3169e87c5d2299367efb2560100c44ddacb

    • SHA256

      ed14a4d2759d943ecf24e78779da1211a9ba7a143b25f30fced6f58705a15635

    • SHA512

      0a718f62cb3b4f3b656b7f831298e555c136c053ae0ffe697a7b60836c14411cead48f74aa5eb115aea09aedf5b23dfe353742bade5eb872144c5b54fc278d1b

    Score
    8/10
    discoveryevasionpersistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks