Overview

overview

10

Static

static

3

94ca78853c...85.exe

windows7-x64

10

94ca78853c...85.exe

windows10-2004-x64

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General

  • Target

    94ca78853c2b4a62bdf3127c0671e785.exe

  • Size

    3.8MB

  • Sample

    240919-dfdfnsxdpa

  • MD5

    94ca78853c2b4a62bdf3127c0671e785

  • SHA1

    14047148ddc9823bf23706470334a34b6d87db51

  • SHA256

    9a2bebd5496cc0040f2377110ad4ca3c74427790d937dbc34a671a19d6293ba0

  • SHA512

    1d489b7fd7eaa130c11e5aa1b03610151cafad7d820a2a16b2c682c99645b23c970a37aa0eb41126a8cd5b925a441a16635afed6a9791d2b4da3885465e8bd95

  • SSDEEP

    98304:8b2NpH9N+V+tmCy2Tfffpeot2xMTRKN9TJv0024Lh/:8oA+YRwv8q2SoN95zVh/

Score
10/10
bootkitdiscoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      94ca78853c2b4a62bdf3127c0671e785.exe

    • Size

      3.8MB

    • MD5

      94ca78853c2b4a62bdf3127c0671e785

    • SHA1

      14047148ddc9823bf23706470334a34b6d87db51

    • SHA256

      9a2bebd5496cc0040f2377110ad4ca3c74427790d937dbc34a671a19d6293ba0

    • SHA512

      1d489b7fd7eaa130c11e5aa1b03610151cafad7d820a2a16b2c682c99645b23c970a37aa0eb41126a8cd5b925a441a16635afed6a9791d2b4da3885465e8bd95

    • SSDEEP

      98304:8b2NpH9N+V+tmCy2Tfffpeot2xMTRKN9TJv0024Lh/:8oA+YRwv8q2SoN95zVh/

    Score
    10/10
    bootkitdiscoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

2
T1547.004

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

4
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks