Overview

overview

10

Static

static

63d8bec305...42.exe

windows7_x64

10

63d8bec305...42.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294211s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 16:16

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General

  • Target

    63d8bec30562469c9b747dab2c9721df930f31fd07814ea7788185a9ea8f4542.exe

  • Size

    136KB

  • MD5

    9e75a40853cb10c7a36bb2f9efc5c508

  • SHA1

    473e2fa301861db903e63c7e4971807faf5886ee

  • SHA256

    63d8bec30562469c9b747dab2c9721df930f31fd07814ea7788185a9ea8f4542

  • SHA512

    50f7eb953481024cd2b9bb99d2510d84159619006b73cb241e9ead5e8e2f0944fa2cb2c0493c857320a2ecb83440d37051c2b915b767f487c351b5f63b010c73

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 77C3541C 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 4 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
  • 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\63d8bec30562469c9b747dab2c9721df930f31fd07814ea7788185a9ea8f4542.exe
    "C:\Users\Admin\AppData\Local\Temp\63d8bec30562469c9b747dab2c9721df930f31fd07814ea7788185a9ea8f4542.exe"
    1⤵
    • 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:1684
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:288
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:324
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1344
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1724
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1256
        • 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:1080
        • 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:888
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1612

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

        95b056dd01daf3a8b6b607f5195ef0b5

        SHA1

        9d4ae73563294264788cca9d4014a49a737351a5

        SHA256

        8e91d4cbc335c848213c6ffcfb5ffa30d76c9f26e6f5237d83f2a494b4367969

        SHA512

        1f8f853952f9f83ca4a32d0abdb3e88c38da3fd34bda6012fbf8170ae9225340ccc7bedf2543974408e27d5f4b7379a1d0e81cece785d320ec1294fd1bc6fbf9

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

        95b056dd01daf3a8b6b607f5195ef0b5

        SHA1

        9d4ae73563294264788cca9d4014a49a737351a5

        SHA256

        8e91d4cbc335c848213c6ffcfb5ffa30d76c9f26e6f5237d83f2a494b4367969

        SHA512

        1f8f853952f9f83ca4a32d0abdb3e88c38da3fd34bda6012fbf8170ae9225340ccc7bedf2543974408e27d5f4b7379a1d0e81cece785d320ec1294fd1bc6fbf9

        Download Submit

      • memory/888-55-0x000007FEFC321000-0x000007FEFC323000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1684-54-0x0000000076891000-0x0000000076893000-memory.dmp

        Filesize

        8KB

        Download