Overview

overview

10

Static

static

10

FreeGenFNacc.exe

windows10-ltsc 2021-x64

10

FreeGenFNacc.exe

windows11-21h2-x64

8

Sharing

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General

  • Target

    FreeGenFNacc.malware

  • Size

    13.9MB

  • Sample

    250109-temkystnby

  • MD5

    1c1bd68b07c75975bacef9d407fd9031

  • SHA1

    ce44c004c571ec8e2ae8f0e5bf8429cc4a15f3b8

  • SHA256

    0bae3b4f3aff820ffc728fe8649039b577bb9aa0f6a8afb5da54c4739b258518

  • SHA512

    4b6a368fce8aa9d02107470c646f74d0b41b7214d56de2a12b931314c81ea22a6be577da82660b7864eff54f78fc6bdcbe430d2477599ff06f22b0b0f22b5508

  • SSDEEP

    393216:9Q+IdCylyglJfn/IxU6/y2cCMQbDhZdhe:mqylB/nwF/APaQ

Score
10/10
blankgrabbercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target

      FreeGenFNacc.malware

    • Size

      13.9MB

    • MD5

      1c1bd68b07c75975bacef9d407fd9031

    • SHA1

      ce44c004c571ec8e2ae8f0e5bf8429cc4a15f3b8

    • SHA256

      0bae3b4f3aff820ffc728fe8649039b577bb9aa0f6a8afb5da54c4739b258518

    • SHA512

      4b6a368fce8aa9d02107470c646f74d0b41b7214d56de2a12b931314c81ea22a6be577da82660b7864eff54f78fc6bdcbe430d2477599ff06f22b0b0f22b5508

    • SSDEEP

      393216:9Q+IdCylyglJfn/IxU6/y2cCMQbDhZdhe:mqylB/nwF/APaQ

    Score
    10/10
    collectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealerupx

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      evasion

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops file in Drivers directory

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • 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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion

    • 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

3
T1059

PowerShell

2
T1059.001

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

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

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Exfiltration

Impact

Tasks