Overview

overview

10

Static

static

10

42e978a513...92.exe

windows7-x64

1

42e978a513...92.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    4s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 12:21

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General

  • Target
    42e978a513d1bce5d9b837029a3f280220d7cabb7be556c6ee2a9e8113fd0c92.exe
  • Size 4.6MB
  • Sample240101-pjt4daafgr
  • SHA256 42e978a513d1bce5d9b837029a3f280220d7cabb7be556c6ee2a9e8113fd0c92
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
ransomware

Malware Config

Extracted

Path

  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
  • Hello! All your files are encrypted, write to me if you want to return your files - I can do it very quickly! Contact me by email: [email protected] or [email protected] The subject line must contain an encryption extension or the name of your company! Do not rename encrypted files, you may lose them forever. You may be a victim of fraud. Free decryption as a guarantee. Send us up to 3 files for free decryption. The total file size should be no more than 1 MB! (not in the archive), and the files should not contain valuable information. (databases, backups, large Excel spreadsheets, etc.) !!! Do not turn off or restart the NAS equipment. This will lead to data loss !!! To contact us, we recommend that you create an email address at protonmail.com or tutanota.com Because gmail and other public email programs can block our messages!

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\joptbcwtomenivj.bat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\system32\findstr.exe
      FINDSTR SERVICE_NAME
      2⤵
        PID:728
      • C:\Windows\system32\sc.exe
        SC QUERY
        2⤵
        • Launches sc.exe
        PID:4148
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\axubusosebavhx.bat
      1⤵
        PID:3160
      • C:\Users\Admin\AppData\Local\Temp\42e978a513d1bce5d9b837029a3f280220d7cabb7be556c6ee2a9e8113fd0c92.exe
        "C:\Users\Admin\AppData\Local\Temp\42e978a513d1bce5d9b837029a3f280220d7cabb7be556c6ee2a9e8113fd0c92.exe"
        1⤵
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\nfbief.bat
          2⤵
            PID:532
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:1868
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\oueodergtfpnqblobiv.bat
            2⤵
              PID:2680
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
              PID:4344

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  joptbcwtomenivj.bat
                  • Path C:\Users\Admin\AppData\Local\Temp\joptbcwtomenivj.bat
                  • Size 43B
                  • SHA256 1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d
                  • MD5 SHA1 SHA512
                  Submit Download