Overview

overview

8

Static

static

b12c077a0b...90.exe

windows7_x64

8

b12c077a0b...90.exe

windows10_x64

8

Sharing

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General

  • Target

    b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990

  • Size

    2.1MB

  • Sample

    210509-gnkz9g3dzs

  • MD5

    8cb056ad93b0008677ad173ee4cf56a8

  • SHA1

    fc6d15dd797f57f986a38f7dfdd6022ff8cc3a8e

  • SHA256

    b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990

  • SHA512

    65c677c1d81f88e4bc632d63f6eaf0dde489005553aecb35662a710c5ae7d527356075d4cda7778e1cd4fd59368a82c72fa1d87693fdfd0aebb1ba0c8ee7f425

Score
8/10
bootkitmacropersistence

Malware Config

Targets

    • Target

      b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990

    • Size

      2.1MB

    • MD5

      8cb056ad93b0008677ad173ee4cf56a8

    • SHA1

      fc6d15dd797f57f986a38f7dfdd6022ff8cc3a8e

    • SHA256

      b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990

    • SHA512

      65c677c1d81f88e4bc632d63f6eaf0dde489005553aecb35662a710c5ae7d527356075d4cda7778e1cd4fd59368a82c72fa1d87693fdfd0aebb1ba0c8ee7f425

    Score
    8/10
    bootkitpersistencemacro

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with macros.

      macro

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      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 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

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks