Overview

overview

10

Static

static

10

Built.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Built.exe

  • Size

    7.4MB

  • Sample

    250210-wy1m2a1lbn

  • MD5

    1180a2369c7c67cf88c11d79db3050b9

  • SHA1

    5906f9cf24d5c87b408f4fc17c9b7f2867430ef7

  • SHA256

    2c1599ce9dc98d6ba85eb8f1d90a8d784dcfea8ed165e24560094a3408e1619b

  • SHA512

    2bd1b4cc8bc20c7b90e9c9fdfb01b8684c3ec8307918dc3b46f7585868355ee3e0a467089b0c87865469fd2ebde4b0b3aa4f9dda4e665f08c220e66ea39fefc0

  • SSDEEP

    196608:NWL0cDNP59Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhM:XiNPvL+9qz8/b4IRv3WhM

Score
10/10
blankgrabberadwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target

      Built.exe

    • Size

      7.4MB

    • MD5

      1180a2369c7c67cf88c11d79db3050b9

    • SHA1

      5906f9cf24d5c87b408f4fc17c9b7f2867430ef7

    • SHA256

      2c1599ce9dc98d6ba85eb8f1d90a8d784dcfea8ed165e24560094a3408e1619b

    • SHA512

      2bd1b4cc8bc20c7b90e9c9fdfb01b8684c3ec8307918dc3b46f7585868355ee3e0a467089b0c87865469fd2ebde4b0b3aa4f9dda4e665f08c220e66ea39fefc0

    • SSDEEP

      196608:NWL0cDNP59Ljv+bhqNVoBKUh8mz4Iv9PPv1DVWhM:XiNPvL+9qz8/b4IRv3WhM

    Score
    10/10
    adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerupx

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      defense_evasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • 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

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Browser Extensions

1
T1176

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

4
T1112

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

Process Discovery

1
T1057

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks