Overview

overview

10

Static

static

05656a2153...75.exe

windows7_x64

10

05656a2153...75.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    27-05-2022 18:03

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General

  • Target

    05656a2153304dee7c74adbd4556f8f25b907baff9bc46f6c7b390ef06f5db75.exe

  • Size

    302KB

  • MD5

    b34062919d66069128222082bb5dd511

  • SHA1

    085edde0c70d601777e3dad6d8e30e45072f3a66

  • SHA256

    05656a2153304dee7c74adbd4556f8f25b907baff9bc46f6c7b390ef06f5db75

  • SHA512

    b0ad684303702d23143be2400507083a3958492431e448285a83e93620d3c8095b9e6af33b41d5f2067729674c1da1527d6daf9fa3dc24a3daa9db5e4c93ffd5

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 A80FB941 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05656a2153304dee7c74adbd4556f8f25b907baff9bc46f6c7b390ef06f5db75.exe
    "C:\Users\Admin\AppData\Local\Temp\05656a2153304dee7c74adbd4556f8f25b907baff9bc46f6c7b390ef06f5db75.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:968
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:892
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:276
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1624
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1620
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1980
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:976
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1924

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        13KB

        MD5

        64fb2d28acb2ff14ec4fc54f18104399

        SHA1

        9b9ce14b479b0eb52c39552daf5f1e2479c81506

        SHA256

        2f9268d9ec2d7913f821023cb09a5a67ef97e849fd3b757c46be4e58fd1daf0d

        SHA512

        b45b99edc4a77c902fc999b36a887ea26c6a58d18df38daebff095700d92a012b90bf952aae9efd2316f021b269a7c97de863f28b0216a16857c744797b5447d

        Download Submit

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

        13KB

        MD5

        64fb2d28acb2ff14ec4fc54f18104399

        SHA1

        9b9ce14b479b0eb52c39552daf5f1e2479c81506

        SHA256

        2f9268d9ec2d7913f821023cb09a5a67ef97e849fd3b757c46be4e58fd1daf0d

        SHA512

        b45b99edc4a77c902fc999b36a887ea26c6a58d18df38daebff095700d92a012b90bf952aae9efd2316f021b269a7c97de863f28b0216a16857c744797b5447d

        Download Submit

      • memory/276-58-0x0000000000000000-mapping.dmp

        Download

      • memory/892-57-0x0000000000000000-mapping.dmp

        Download

      • memory/968-54-0x0000000003530000-0x0000000003542000-memory.dmp

        Filesize

        72KB

        Download

      • memory/968-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

        Filesize

        8KB

        Download

      • memory/968-60-0x0000000000020000-0x0000000000039000-memory.dmp

        Filesize

        100KB

        Download

      • memory/968-59-0x0000000003530000-0x0000000003542000-memory.dmp

        Filesize

        72KB

        Download

      • memory/968-61-0x0000000000400000-0x0000000003374000-memory.dmp

        Filesize

        47.5MB

        Download

      • memory/976-66-0x0000000000000000-mapping.dmp

        Download

      • memory/976-67-0x000007FEFB721000-0x000007FEFB723000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1560-62-0x0000000000000000-mapping.dmp

        Download

      • memory/1620-64-0x0000000000000000-mapping.dmp

        Download

      • memory/1624-63-0x0000000000000000-mapping.dmp

        Download

      • memory/1756-56-0x0000000000000000-mapping.dmp

        Download

      • memory/1980-65-0x0000000000000000-mapping.dmp

        Download