Overview

overview

10

Static

static

10

2024-02-16...er.exe

windows7-x64

10

2024-02-16...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    16-02-2024 03:31

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General

  • Target

    2024-02-16_239379865eecbe894b9dfa3623a11878_babuk_destroyer.exe

  • Size

    79KB

  • MD5

    239379865eecbe894b9dfa3623a11878

  • SHA1

    bb834c9401ea34b8423530b84094a558e824a650

  • SHA256

    65813aa45df5c32fbeafd976881ad119d1b9e3b7dfe4e632e236b2a4dcac9c47

  • SHA512

    42b560f3391202c4dfc440d82805d452d71f3a5746bd58ffef01f15dc0fc7bd5637e564929de0baf4d867633b44b25944bc711ec49e987f4002125d6cc6732ed

  • SSDEEP

    1536:k6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:2hZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

Score
10/10
babukransomware

Malware Config

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (188) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-16_239379865eecbe894b9dfa3623a11878_babuk_destroyer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-16_239379865eecbe894b9dfa3623a11878_babuk_destroyer.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2624
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2084
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PerfLogs\Admin\How To Restore Your Files.txt
    Filesize

    416B

    MD5

    be6ff0c888b03ae7be25a9cd40d25ec4

    SHA1

    f81998b65f6ebbd9d53e86c97212476b99481c13

    SHA256

    ffb8aae1f157ca72e7a3a861e8f7750f42ce675110fa857f1a628ec622b9d930

    SHA512

    32c36045fef6b4e0246a67313a79d20c1417fbea72194ffb21ae632849015ca00bb5cf56ee64291a9d810195c17d279173165629e06522ba6ba6c802983eb4d5

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