Overview

overview

7

Static

static

b7aff9d896...9a.exe

windows7-x64

7

b7aff9d896...9a.exe

windows10-2004-x64

6

Sharing

Copy URL
Twitter E-mail

General

  • Target

    b7aff9d896242b310bf1ca7cafb8605b4b7f25e5b264445ce48a592f0261de9a

  • Size

    305KB

  • Sample

    221203-hgnegscg89

  • MD5

    5c91541bed710ff95b46456d9e237a39

  • SHA1

    3a0ee45775e5fb20c418f00620338e1f6e550bd7

  • SHA256

    b7aff9d896242b310bf1ca7cafb8605b4b7f25e5b264445ce48a592f0261de9a

  • SHA512

    0d735009a52c95d03c80bbc2cc3143e40956aadc32fd6f6cfe67bc5d1644e6f15a327a699b2f07f4df83e4d8c24a2674fb4dd65b704fad9c813d515b87f9205c

  • SSDEEP

    3072:i/7hLgEqpl+/3MszTEIuZBYdlIjVXZsqdK5tp0SfVX4kELMQZjDrbqg75uN1Rx7u:XEhI+IjVXS55P02VVQZjzqgA1GV09W

Score
7/10
bootkitpersistence

Malware Config

Targets

    • Target

      b7aff9d896242b310bf1ca7cafb8605b4b7f25e5b264445ce48a592f0261de9a

    • Size

      305KB

    • MD5

      5c91541bed710ff95b46456d9e237a39

    • SHA1

      3a0ee45775e5fb20c418f00620338e1f6e550bd7

    • SHA256

      b7aff9d896242b310bf1ca7cafb8605b4b7f25e5b264445ce48a592f0261de9a

    • SHA512

      0d735009a52c95d03c80bbc2cc3143e40956aadc32fd6f6cfe67bc5d1644e6f15a327a699b2f07f4df83e4d8c24a2674fb4dd65b704fad9c813d515b87f9205c

    • SSDEEP

      3072:i/7hLgEqpl+/3MszTEIuZBYdlIjVXZsqdK5tp0SfVX4kELMQZjDrbqg75uN1Rx7u:XEhI+IjVXS55P02VVQZjzqgA1GV09W

    Score
    7/10
    bootkitpersistence

    • Deletes itself

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

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

Tasks