Overview

overview

7

Static

static

1

8a77d51832...50.exe

windows7-x64

7

8a77d51832...50.exe

windows10-2004-x64

7

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General

  • Target

    8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50.exe

  • Size

    769KB

  • Sample

    230322-x6al9ach2t

  • MD5

    6ae9aa383b94ddcbb3d72f224e7916b0

  • SHA1

    b0e1d688491401fbad958d0a300ef0d7cd828840

  • SHA256

    8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50

  • SHA512

    e1afa9af9d83e852696d9631beb15816aaef8b650dbaf02844e736b1fe68baadad1877c11590d645e52120067887c6e1351763566bcfd69b4d97f58a152d8159

  • SSDEEP

    24576:aTlAfGAsaExEPVkc5OtG3dbJaetN647jS67U1OM+EOw/j2j1P9X:agNsamElOc3mo68Veod+21PR

Score
7/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target

      8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50.exe

    • Size

      769KB

    • MD5

      6ae9aa383b94ddcbb3d72f224e7916b0

    • SHA1

      b0e1d688491401fbad958d0a300ef0d7cd828840

    • SHA256

      8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50

    • SHA512

      e1afa9af9d83e852696d9631beb15816aaef8b650dbaf02844e736b1fe68baadad1877c11590d645e52120067887c6e1351763566bcfd69b4d97f58a152d8159

    • SSDEEP

      24576:aTlAfGAsaExEPVkc5OtG3dbJaetN647jS67U1OM+EOw/j2j1P9X:agNsamElOc3mo68Veod+21PR

    Score
    7/10
    bootkitdiscoverypersistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • 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

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks