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

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\aebmwevd.bat
              MD5

              55310bb774fff38cca265dbc70ad6705

              SHA1

              cb8d76e9fd38a0b253056e5f204dab5441fe932b

              SHA256

              1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

              SHA512

              40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

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            • C:\Users\Admin\AppData\Local\Temp\vglute.bat
              MD5

              2202e846ba05d7f0bb20adbc5249c359

              SHA1

              4115d2d15614503456aea14db61d71a756cc7b8c

              SHA256

              0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

              SHA512

              cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

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