Overview

overview

10

Static

static

3

BootstrapperV1.15.exe

windows11-21h2-x64

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General

  • Target

    BootstrapperV1.15.exe

  • Size

    796KB

  • Sample

    240808-t625qawdkp

  • MD5

    653c07b9b5f1b22c84f72c03b0083d18

  • SHA1

    54c25b876736011d016dc0ea06a1533365555cc4

  • SHA256

    c9d04a3a87fee318ba65f837f40bd2dd2428f25e78bf271207f8b2b02aaa8a06

  • SHA512

    b605773fc4fa244f354bb8f51621225e6482751d19bddf747f03f624581bc7ae896ca0e40be91b667aea7a7978a291497a362f9bd65449682e1948938af684f8

  • SSDEEP

    12288:wuHbakEAdS7SdsgtNaFoGQ4jEr+xpS1nmkFmZ2ojKU:/HbTHSINooGQ4jESxpS1nmkkK

Score
10/10
defense_evasiondiscoveryevasionpersistenceransomwaretrojan

Malware Config

Targets

    • Target

      BootstrapperV1.15.exe

    • Size

      796KB

    • MD5

      653c07b9b5f1b22c84f72c03b0083d18

    • SHA1

      54c25b876736011d016dc0ea06a1533365555cc4

    • SHA256

      c9d04a3a87fee318ba65f837f40bd2dd2428f25e78bf271207f8b2b02aaa8a06

    • SHA512

      b605773fc4fa244f354bb8f51621225e6482751d19bddf747f03f624581bc7ae896ca0e40be91b667aea7a7978a291497a362f9bd65449682e1948938af684f8

    • SSDEEP

      12288:wuHbakEAdS7SdsgtNaFoGQ4jEr+xpS1nmkFmZ2ojKU:/HbTHSINooGQ4jESxpS1nmkkK

    Score
    10/10
    defense_evasiondiscoveryevasionpersistenceransomwaretrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • 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

    • Disables RegEdit via registry modification

      evasion

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks