Overview

overview

10

Static

static

aadf83fd15...35.exe

windows7-x64

10

aadf83fd15...35.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aadf83fd1590381d9db57a430deabb8f8505c360d2d4321b36e03accea765535

  • Size

    417KB

  • Sample

    221203-cvn1aaff36

  • MD5

    700cbd70b60d11ca2bd0c565aeb842d1

  • SHA1

    d6e77cfdc83e387b8b38017fcf599e0b738210c4

  • SHA256

    aadf83fd1590381d9db57a430deabb8f8505c360d2d4321b36e03accea765535

  • SHA512

    77fdecb45cc68873e4408b0b3a6ea16730961174ce7e8268a9f77910a080cdc3c22fad2a961cdebb899d1219cd045f80feb014b70d9245a2408836c809561043

  • SSDEEP

    12288:3m+mDHs4HLsnFnaoJ7/7C58uIm96xbSHigbnNL:37qsEwn5LJ6536x2H7L

Score
10/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      aadf83fd1590381d9db57a430deabb8f8505c360d2d4321b36e03accea765535

    • Size

      417KB

    • MD5

      700cbd70b60d11ca2bd0c565aeb842d1

    • SHA1

      d6e77cfdc83e387b8b38017fcf599e0b738210c4

    • SHA256

      aadf83fd1590381d9db57a430deabb8f8505c360d2d4321b36e03accea765535

    • SHA512

      77fdecb45cc68873e4408b0b3a6ea16730961174ce7e8268a9f77910a080cdc3c22fad2a961cdebb899d1219cd045f80feb014b70d9245a2408836c809561043

    • SSDEEP

      12288:3m+mDHs4HLsnFnaoJ7/7C58uIm96xbSHigbnNL:37qsEwn5LJ6536x2H7L

    Score
    10/10
    bootkitpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks