Overview

overview

10

Static

static

649a1862c2...4b.exe

windows7-x64

10

649a1862c2...4b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 07:24

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General

  • Target

    649a1862c2a11d0ca8ac0efd1b4dbe3ca63db4f674d05f01b358c0ddb2af454b.exe

  • Size

    310KB

  • MD5

    df0762d26307d82d0b0add2a0d3c82d6

  • SHA1

    f2bef1752449e6aba38d1a2125449c9da5bf0bfa

  • SHA256

    649a1862c2a11d0ca8ac0efd1b4dbe3ca63db4f674d05f01b358c0ddb2af454b

  • SHA512

    25d30bafd37bd1273c3c50013f83eb6d70ce2f4b60608cd929f6ccd4e60d8a6e5fc05b0b5dbd4987a3dfb56467c17963cd9f2b29f84d7d7e30bb6b6375b1dca5

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 405AD70D 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
  • 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\649a1862c2a11d0ca8ac0efd1b4dbe3ca63db4f674d05f01b358c0ddb2af454b.exe
    "C:\Users\Admin\AppData\Local\Temp\649a1862c2a11d0ca8ac0efd1b4dbe3ca63db4f674d05f01b358c0ddb2af454b.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:1988
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1060
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:472
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:280
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:268
        • 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:1984
        • 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:108
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1364

      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

        41801519c3b3a51fe1c361275dd7ad01

        SHA1

        30c060b3a424fcf3c05d149d8e05e6ea8f8a7801

        SHA256

        510e1b4f07913b4deae0e671d73803195db18311169816e2d6fc286ab3ab750b

        SHA512

        58d689faf4059282393ec97e02bea977d63e81081bcc31faafafdebfe6f7568e34cc5a2d53e2c3c43a8c072432846211d56660343634d8eae26ef4ad675d5e63

        Download Submit

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

        13KB

        MD5

        41801519c3b3a51fe1c361275dd7ad01

        SHA1

        30c060b3a424fcf3c05d149d8e05e6ea8f8a7801

        SHA256

        510e1b4f07913b4deae0e671d73803195db18311169816e2d6fc286ab3ab750b

        SHA512

        58d689faf4059282393ec97e02bea977d63e81081bcc31faafafdebfe6f7568e34cc5a2d53e2c3c43a8c072432846211d56660343634d8eae26ef4ad675d5e63

        Download Submit

      • memory/108-85-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/108-67-0x000007FEFBB91000-0x000007FEFBB93000-memory.dmp

        Filesize

        8KB

        Download

      • memory/108-66-0x0000000000000000-mapping.dmp

        Download

      • memory/268-64-0x0000000000000000-mapping.dmp

        Download

      • memory/280-63-0x0000000000000000-mapping.dmp

        Download

      • memory/472-58-0x0000000000000000-mapping.dmp

        Download

      • memory/1060-57-0x0000000000000000-mapping.dmp

        Download

      • memory/1408-62-0x0000000000000000-mapping.dmp

        Download

      • memory/1984-65-0x0000000000000000-mapping.dmp

        Download

      • memory/1988-61-0x0000000000400000-0x00000000035A1000-memory.dmp

        Filesize

        49.6MB

        Download

      • memory/1988-59-0x00000000037BD000-0x00000000037D0000-memory.dmp

        Filesize

        76KB

        Download

      • memory/1988-60-0x0000000000020000-0x0000000000039000-memory.dmp

        Filesize

        100KB

        Download

      • memory/1988-54-0x00000000037BD000-0x00000000037D0000-memory.dmp

        Filesize

        76KB

        Download

      • memory/1988-55-0x0000000074F71000-0x0000000074F73000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2004-56-0x0000000000000000-mapping.dmp

        Download