Overview

overview

10

Static

static

1

PianoScrap.exe

windows7_x64

10

PianoScrap.exe

windows10-2004_x64

8

Sharing

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General

  • Target

    PianoScrap.exe

  • Size

    83KB

  • Sample

    220519-ck4b8ahec4

  • MD5

    ad1faa076d04a9595ebb7c7c0034c35e

  • SHA1

    cbe139b2ad2d73b3b82b1d808327cf4538cfc401

  • SHA256

    3b1e29d6fde6e83f169c13b17f72c8a155fab8c7d296233703a0afdd6e714a63

  • SHA512

    4098a3c8e91f2af9ab81424a28d9189b0b28c181c1d3a5a3ce96aa493111a77f584dbd2fcefc27c695669c71f06918059ea1f840d096732a6f74ca65c86dd120

Score
10/10
bootkitdiscoverypersistencespywarestealer

Malware Config

Targets

    • Target

      PianoScrap.exe

    • Size

      83KB

    • MD5

      ad1faa076d04a9595ebb7c7c0034c35e

    • SHA1

      cbe139b2ad2d73b3b82b1d808327cf4538cfc401

    • SHA256

      3b1e29d6fde6e83f169c13b17f72c8a155fab8c7d296233703a0afdd6e714a63

    • SHA512

      4098a3c8e91f2af9ab81424a28d9189b0b28c181c1d3a5a3ce96aa493111a77f584dbd2fcefc27c695669c71f06918059ea1f840d096732a6f74ca65c86dd120

    Score
    10/10
    bootkitdiscoverypersistencespywarestealer

    • Registers COM server for autorun

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

      persistence

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks installed software on the system

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

      discovery

    • Drops Chrome extension

    • 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 v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks