Overview

overview

10

Static

static

10

cb141f7346...14.exe

windows7_x64

10

cb141f7346...14.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    131s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05-03-2022 21:30

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General

  • Target

    cb141f7346b20cf67b80b5f05ec27fffba0e83cc74b33c091a01c96f27a2a514.exe

  • Size

    3.9MB

  • MD5

    be9f805802cbb981a2985a642db21f0b

  • SHA1

    fcb7cf1d4026ca4cc9a6c040404da65f1d9b7a63

  • SHA256

    cb141f7346b20cf67b80b5f05ec27fffba0e83cc74b33c091a01c96f27a2a514

  • SHA512

    a4b544f58cc6d964994a60c17e44c584ffe027a73be85d21207bb85fccbcb3fb29d2269e8a5eeb2cf571c17f3a540aed79ad83e5fb170bc9d1526b5a04ced385

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\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] [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

  • Modifies extensions of user files 21 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

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

  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb141f7346b20cf67b80b5f05ec27fffba0e83cc74b33c091a01c96f27a2a514.exe
    "C:\Users\Admin\AppData\Local\Temp\cb141f7346b20cf67b80b5f05ec27fffba0e83cc74b33c091a01c96f27a2a514.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\aebmwevd.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\sc.exe
        SC QUERY
        3⤵
          PID:2100
        • C:\Windows\SysWOW64\findstr.exe
          FINDSTR SERVICE_NAME
          3⤵
            PID:2972
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\fuhjxevvmrvkwnfjs.bat
          2⤵
            PID:772
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\vglute.bat
            2⤵
              PID:3212
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\cgvrerpasff.bat
              2⤵
                PID:3560

            Network

            MITRE ATT&CK Enterprise v6

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            Downloads