Overview

overview

10

Static

static

10

2024-04-25...er.exe

windows7-x64

10

2024-04-25...er.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 17:32

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General

  • Target

    2024-04-25_7deb707e7d264c73ce6b4dd905b6465d_babuk_destroyer.exe

  • Size

    79KB

  • MD5

    7deb707e7d264c73ce6b4dd905b6465d

  • SHA1

    fc67274fb481cb02bf8bcb0e9139751e3f3a38cd

  • SHA256

    37652b0c01d717b554c4871a5b3631cf304e54871e3a1f9514b14145a2031d80

  • SHA512

    8663953e48319c6cb20e35c5eafae7605bd824db11d1e7ff552311e7a3180d306bcd27730456f2e9cdaa8a40128329c343b9e6ec0797966c2a5ba8c8e803744b

  • SSDEEP

    1536:pOkWBeGPGEbmsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nsf:8BeBsmsrQLOJgY8Zp8LHD4XWaNH71dLc

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 (203) 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\2024-04-25_7deb707e7d264c73ce6b4dd905b6465d_babuk_destroyer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-25_7deb707e7d264c73ce6b4dd905b6465d_babuk_destroyer.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2868
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1612
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    656B

    MD5

    e6c8c909b8b255d2285e63437af78ae6

    SHA1

    3f05be8c657e5a27e13649a44bd544986c2adffd

    SHA256

    48732b3d79586e004c8b195e15529ac15e74dfffc0dbe4fa9b6855b65aeda8c4

    SHA512

    84d068e1aa0b6da06c7038f3e132178de758693ab7d8792adf2cd7adce077424d1c8b468521b134294b35d10d967d3a21f57ba3fcf288e2ba411ece9a4548d5c

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