Overview

overview

10

Static

static

b6c644a164...in.exe

windows7_x64

10

b6c644a164...in.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    16-10-2020 16:35

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b6c644a1644dd9b81a604fb6ad6a8cebf4a9b14d5c41da633a93ba2f459f31ae.bin.exe

  • Size

    92KB

  • MD5

    ff9af6e3beebc9df0146f515f68e004e

  • SHA1

    f57248526065852ecb491e871160cf1cb23ae22f

  • SHA256

    b6c644a1644dd9b81a604fb6ad6a8cebf4a9b14d5c41da633a93ba2f459f31ae

  • SHA512

    49bcad9e25613bcb90dcc851a4759cd6e79afc39bd21f32bebe82aebad61b01ad49359527ca2450bdc05331f2c461ad443f976bc52122419e2a9dde9080c7fb5

Score
10/10
ransomwarepersistencespywaredharma

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? write email [email protected]

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 0B6F6C3F In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 70 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 35224 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 568 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6c644a1644dd9b81a604fb6ad6a8cebf4a9b14d5c41da633a93ba2f459f31ae.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\b6c644a1644dd9b81a604fb6ad6a8cebf4a9b14d5c41da633a93ba2f459f31ae.bin.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3464
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:692
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:252
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:744
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1820
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:2140
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:2120
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:3508

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            MD5

            66049170feda573153d4ee4cbbfbc839

            SHA1

            e2c8f0deb801b66fef6819013c5594523c201493

            SHA256

            ef002b3ab3e4558e2d9743577030e7580c19bbcac23bf352fa7a997ee3879193

            SHA512

            4472a3b08ee8962fa2834eedb2983cdddf3715362c2eef2b9cabdd7d878b7bbbdbfb31f2f8f7aa2b0748bd85a690ced7862cc5032455d158f2281b9b2e1fa296

            Download Submit

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            MD5

            66049170feda573153d4ee4cbbfbc839

            SHA1

            e2c8f0deb801b66fef6819013c5594523c201493

            SHA256

            ef002b3ab3e4558e2d9743577030e7580c19bbcac23bf352fa7a997ee3879193

            SHA512

            4472a3b08ee8962fa2834eedb2983cdddf3715362c2eef2b9cabdd7d878b7bbbdbfb31f2f8f7aa2b0748bd85a690ced7862cc5032455d158f2281b9b2e1fa296

            Download Submit

          • memory/252-3-0x0000000000000000-mapping.dmp

            Download

          • memory/692-2-0x0000000000000000-mapping.dmp

            Download

          • memory/744-4-0x0000000000000000-mapping.dmp

            Download

          • memory/1820-5-0x0000000000000000-mapping.dmp

            Download

          • memory/2120-7-0x0000000000000000-mapping.dmp

            Download

          • memory/2140-6-0x0000000000000000-mapping.dmp

            Download

          • memory/2424-0-0x0000000000000000-mapping.dmp

            Download

          • memory/3464-1-0x0000000000000000-mapping.dmp

            Download