Overview

overview

10

Static

static

d4d53c64cb...91.exe

windows7-x64

10

d4d53c64cb...91.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 05:17

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General

  • Target

    d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.exe

  • Size

    304KB

  • MD5

    19e48e72c51e0e652a2b5c75db0ef9bc

  • SHA1

    b4ea00205b0e611e2fc155d5ded19b22cd6341f3

  • SHA256

    d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

  • SHA512

    65269d693b7ddf70c76069d2a80cec73ba1f78a38b0cfcf029af5c30eca972a7b2f21c327f63ac5a17d85a7fab4008e4c04d6ba4e50561f2f71ea7ede52175e2

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 C080A9D8 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\d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.exe
    "C:\Users\Admin\AppData\Local\Temp\d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.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:1908
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2004
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:528
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1424
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1712
        • 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:1524
        • 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:216
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1320

      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

        2fa7438b35acbc0848c3cdce17628cc4

        SHA1

        8944db1381c253be6ebcc4cbd208fe3533365474

        SHA256

        1448ef334bd52674492f2eb892d4eef2540855e9c99b6ee17f875137832630a3

        SHA512

        363c3e1d4f227db317b2c2bad61a1ebd4580bae39b7654473dfde1d30fc742ba55aff9cb8a14f893d4bb2f37c65d4d57a8011f6dd5eb987a4d4cd8828a3694ba

        Download Submit

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

        13KB

        MD5

        2fa7438b35acbc0848c3cdce17628cc4

        SHA1

        8944db1381c253be6ebcc4cbd208fe3533365474

        SHA256

        1448ef334bd52674492f2eb892d4eef2540855e9c99b6ee17f875137832630a3

        SHA512

        363c3e1d4f227db317b2c2bad61a1ebd4580bae39b7654473dfde1d30fc742ba55aff9cb8a14f893d4bb2f37c65d4d57a8011f6dd5eb987a4d4cd8828a3694ba

        Download Submit

      • memory/216-66-0x0000000000000000-mapping.dmp

        Download

      • memory/528-58-0x0000000000000000-mapping.dmp

        Download

      • memory/1424-63-0x0000000000000000-mapping.dmp

        Download

      • memory/1524-93-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/1524-67-0x000007FEFC0F1000-0x000007FEFC0F3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1524-65-0x0000000000000000-mapping.dmp

        Download

      • memory/1712-64-0x0000000000000000-mapping.dmp

        Download

      • memory/1876-56-0x0000000000000000-mapping.dmp

        Download

      • memory/1908-54-0x000000000081A000-0x000000000082E000-memory.dmp

        Filesize

        80KB

        Download

      • memory/1908-59-0x000000000081A000-0x000000000082E000-memory.dmp

        Filesize

        80KB

        Download

      • memory/1908-61-0x0000000000400000-0x00000000005FB000-memory.dmp

        Filesize

        2.0MB

        Download

      • memory/1908-55-0x00000000754D1000-0x00000000754D3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1908-60-0x0000000000220000-0x0000000000239000-memory.dmp

        Filesize

        100KB

        Download

      • memory/1960-62-0x0000000000000000-mapping.dmp

        Download

      • memory/2004-57-0x0000000000000000-mapping.dmp

        Download