Overview

overview

10

Static

static

10

2024-06-04...re.exe

windows7-x64

9

2024-06-04...re.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2024-06-04_73c91787f2db475b88b8bc58394872c3_bkransomware

  • Size

    8.4MB

  • Sample

    240604-c188eaba35

  • MD5

    73c91787f2db475b88b8bc58394872c3

  • SHA1

    f5e52c7b62852cfc9decd93a3f7c037bb88c33ee

  • SHA256

    a5c5fe498a1e31a91dea78f9f203475ccb9b620b0155ba7924bf492055ff9d2d

  • SHA512

    d4223ee06ba3c169c212a25e1f3dc68bbb9f4c775b67895d609a25b3c8e1a3d37fccb7397b59c900bbddcea70784835b5f3a86356680f249095a7f9cc9f0e268

  • SSDEEP

    196608:+sqbVwW8Od2Rh+MHAozYKdPccoMEP5Uz1RMmizLjhPB:+sUVwWnM5kKdj++zfMpPjb

Score
10/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      2024-06-04_73c91787f2db475b88b8bc58394872c3_bkransomware

    • Size

      8.4MB

    • MD5

      73c91787f2db475b88b8bc58394872c3

    • SHA1

      f5e52c7b62852cfc9decd93a3f7c037bb88c33ee

    • SHA256

      a5c5fe498a1e31a91dea78f9f203475ccb9b620b0155ba7924bf492055ff9d2d

    • SHA512

      d4223ee06ba3c169c212a25e1f3dc68bbb9f4c775b67895d609a25b3c8e1a3d37fccb7397b59c900bbddcea70784835b5f3a86356680f249095a7f9cc9f0e268

    • SSDEEP

      196608:+sqbVwW8Od2Rh+MHAozYKdPccoMEP5Uz1RMmizLjhPB:+sUVwWnM5kKdj++zfMpPjb

    Score
    9/10
    bootkitpersistenceupx

    • Detects executables packed with VMProtect.

    • UPX dump on OEP (original entry point)

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • 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 v15

Tasks