Overview

overview

10

Static

static

8

2.exe

windows7_x64

10

2.exe

windows10_x64

10

Analysis

  • max time kernel
    23s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    14/07/2021, 19:16

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General

  • Target

    2.exe

  • Size

    2.4MB

  • MD5

    a1d45a1dfcf0c7b28819d2f3d9f8bd35

  • SHA1

    48b754be9094106fa3813c27e0a5e928c006f7ab

  • SHA256

    79b9e821bd34d0f1e5572eceb741caca3302cfaa4cfdf97c5ed78450355c4cbf

  • SHA512

    6c250f3530d7d246dc656fd1bbac203bb98b3fda83691bb67f95bd99d716a13fb867cebea638578fb9cb1ad482388fe0bfb80f5949b7fb9ac78d354ad72a322b

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Hello! Dear, Die Stambula Fahrservice GmbH! All your files are encrypted! We have downloaded more that 1.5TB of sensitive data from your company servers. Email me if you want to get your files back - I will 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! If you do not receive a response from us for a long time, check your spam folder. Additional ways to communicate in tox chat https://tox.chat/ contact our tox id: 7229828E766B9058D329B2B4BC0EDDD11612CBCCFA4811532CABC76ACF703074E0D1501F8418
URLs

https://tox.chat/

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2.exe
    "C:\Users\Admin\AppData\Local\Temp\2.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\system32\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\hmgptsamejdtrdovwor.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\system32\sc.exe
        SC QUERY
        3⤵
          PID:1996
        • C:\Windows\system32\findstr.exe
          FINDSTR SERVICE_NAME
          3⤵
            PID:1984
        • C:\Windows\system32\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\fjiuuddpnldc.bat
          2⤵
            PID:900
          • C:\Windows\system32\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\digdpxtvyvpxvixjt.bat
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:316
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:684
          • C:\Windows\system32\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\logcece.bat
            2⤵
              PID:1212
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:840

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads