Overview

overview

9

Static

static

3

8af06b6305...cb.exe

windows7-x64

9

8af06b6305...cb.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    8af06b63050a21782b094a8ce274147beb2e94b4a2b9d96a093836ec47cd50cb

  • Size

    13.9MB

  • Sample

    240526-ejctzseb31

  • MD5

    0db38e8c45411cebb9c33b17b8364432

  • SHA1

    96632e92199e263ddcec9941c64132f21431e456

  • SHA256

    8af06b63050a21782b094a8ce274147beb2e94b4a2b9d96a093836ec47cd50cb

  • SHA512

    93730f01656e3bf0eac056dd20aaf789bcbf41d8d692f828eb69ca4dd7923b60d8e8c29ee16aaa5c6d23ff49e4cef8e7583d37617dd8e02832dc229e623e21f6

  • SSDEEP

    393216:WGUWKE5RkZtrzXkXSmqZDKFV510w+kAEMN2PODKUxS:TUC5RkH3XeqWV5x+7E6DBxS

Score
9/10
bootkitpersistence

Malware Config

Targets

    • Target

      8af06b63050a21782b094a8ce274147beb2e94b4a2b9d96a093836ec47cd50cb

    • Size

      13.9MB

    • MD5

      0db38e8c45411cebb9c33b17b8364432

    • SHA1

      96632e92199e263ddcec9941c64132f21431e456

    • SHA256

      8af06b63050a21782b094a8ce274147beb2e94b4a2b9d96a093836ec47cd50cb

    • SHA512

      93730f01656e3bf0eac056dd20aaf789bcbf41d8d692f828eb69ca4dd7923b60d8e8c29ee16aaa5c6d23ff49e4cef8e7583d37617dd8e02832dc229e623e21f6

    • SSDEEP

      393216:WGUWKE5RkZtrzXkXSmqZDKFV510w+kAEMN2PODKUxS:TUC5RkH3XeqWV5x+7E6DBxS

    Score
    9/10
    bootkitpersistence

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies boot configuration data using bcdedit

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks