Overview

overview

10

Static

static

30140a3a44...ba.exe

windows7-x64

10

30140a3a44...ba.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2022 14:30

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General

  • Target

    30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe

  • Size

    702KB

  • MD5

    21d82a5c9d977f7c5c5015829c321a13

  • SHA1

    ffb493214fd5ac83f2a628bc0e15f5a060c36ffc

  • SHA256

    30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba

  • SHA512

    91e5480b1e9d329c411f62c4eb99bfeda6161e07cb238acf3b00073e4d6cdadc9c1d6859561a5135833f585b5026228b063ab3aff81ff04f9534c31b08a99c34

  • SSDEEP

    12288:5IODa1GPYOBsDMOUaIQpGyEV3T5W241YgNxMmDsbiYltjHR7r4w9QvbfsZ6jlPm5:5IO+aYxHjpYT5s1YgNxMmDsbiYltjHRj

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

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 1C65A7D4 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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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
  • Suspicious use of SetThreadContext 1 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
    "C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
      C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
      2⤵
      • Modifies extensions of user files
      • 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:1764
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:1192
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1116
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1076
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:1732
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:1080
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:944
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:2024
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:776

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

        13KB

        MD5

        e8c9d344d5db2f7917d7d605757def9f

        SHA1

        3b8d167366cccc0d9fbdc36462e1b97b4b5c76a0

        SHA256

        a7bbe16cc2229bf3eafb4f3af0e5a9bc20b7293ece6331cf61226bfefc615518

        SHA512

        da93cad941d2bcb6a54daa95ba3239081e974274a03399ab2b25ecd4a227cec32425fda30cd9f3afd2098d72961604ed25e670c039a75644113409f17379030c

        Download Submit

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

        13KB

        MD5

        e8c9d344d5db2f7917d7d605757def9f

        SHA1

        3b8d167366cccc0d9fbdc36462e1b97b4b5c76a0

        SHA256

        a7bbe16cc2229bf3eafb4f3af0e5a9bc20b7293ece6331cf61226bfefc615518

        SHA512

        da93cad941d2bcb6a54daa95ba3239081e974274a03399ab2b25ecd4a227cec32425fda30cd9f3afd2098d72961604ed25e670c039a75644113409f17379030c

        Download Submit

      • memory/944-70-0x0000000000000000-mapping.dmp

        Download

      • memory/1076-67-0x0000000000000000-mapping.dmp

        Download

      • memory/1080-69-0x0000000000000000-mapping.dmp

        Download

      • memory/1116-66-0x0000000000000000-mapping.dmp

        Download

      • memory/1192-65-0x0000000000000000-mapping.dmp

        Download

      • memory/1616-63-0x0000000000000000-mapping.dmp

        Download

      • memory/1652-64-0x00000000020A0000-0x00000000020D3000-memory.dmp

        Filesize

        204KB

        Download

      • memory/1652-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1732-68-0x0000000000000000-mapping.dmp

        Download

      • memory/1764-61-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/1764-60-0x000000000040A9D0-mapping.dmp

        Download

      • memory/1764-55-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2024-71-0x0000000000000000-mapping.dmp

        Download