Overview

overview

10

Static

static

9f1394269d...dd.exe

windows7-x64

10

9f1394269d...dd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f1394269d0cddb87380fa9fe88831036de458ac6fe1b3f517cb7ae60656bedd

  • Size

    1.1MB

  • Sample

    221205-jgvn8shd33

  • MD5

    f0a6c4647312bff08c613178893702e1

  • SHA1

    904dc8720fa1a9ed98d032d9f56ffbff6410757a

  • SHA256

    9f1394269d0cddb87380fa9fe88831036de458ac6fe1b3f517cb7ae60656bedd

  • SHA512

    a489b6bb24dcbdb9b1667e6af37d8df53dcc35901aa05e9c6cf43001841f158057bbdd4564c81801debb55b674864107c03f9c0e8ea99d966ebc38bde8fa4ba3

  • SSDEEP

    24576:Chebrn/mG9Pwrn/POzMQGEvGEg5inu3i6ZTdDiUSgwt9faL+Wdi3oBMct3lVW6i8:ChArn/X9Pwrn/POzMQGEvGE0inu3i6ZH

Score
10/10
bootkitevasionpersistence

Malware Config

Targets

    • Target

      9f1394269d0cddb87380fa9fe88831036de458ac6fe1b3f517cb7ae60656bedd

    • Size

      1.1MB

    • MD5

      f0a6c4647312bff08c613178893702e1

    • SHA1

      904dc8720fa1a9ed98d032d9f56ffbff6410757a

    • SHA256

      9f1394269d0cddb87380fa9fe88831036de458ac6fe1b3f517cb7ae60656bedd

    • SHA512

      a489b6bb24dcbdb9b1667e6af37d8df53dcc35901aa05e9c6cf43001841f158057bbdd4564c81801debb55b674864107c03f9c0e8ea99d966ebc38bde8fa4ba3

    • SSDEEP

      24576:Chebrn/mG9Pwrn/POzMQGEvGEg5inu3i6ZTdDiUSgwt9faL+Wdi3oBMct3lVW6i8:ChArn/X9Pwrn/POzMQGEvGE0inu3i6ZH

    Score
    10/10
    bootkitevasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks