Resubmissions

04-04-2023 18:24

230404-w2jtpabb2v 10

04-04-2023 18:17

230404-wxfapshb97 7

04-04-2023 18:06

230404-wpzpdahb48 8

General

  • Target

    https://github.com/topics/virus-library

  • Sample

    230404-wxfapshb97

Malware Config

Targets

    • Target

      https://github.com/topics/virus-library

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Executes dropped EXE

    • UPX packed file

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks