Overview

overview

10

Static

static

d2f4d00293...d6.exe

windows7_x64

10

d2f4d00293...d6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294211s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 22:07

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General

  • Target

    d2f4d0029325668140884fe1532170a8747ad9ecd48d87d11f0e192ae1b84ad6.exe

  • Size

    348KB

  • MD5

    a736e0aa42d924a08b51818596cdffd3

  • SHA1

    d3124b364161e918e2a71241a1f4e636df5d104b

  • SHA256

    d2f4d0029325668140884fe1532170a8747ad9ecd48d87d11f0e192ae1b84ad6

  • SHA512

    1079e80b1104a1c76ab951e2dc2751d3bd27537afd9ccea852d8bd3b2735204ef6fe6d44079aff02d3a255c23d6fcd67123d1b01072be647a80cb0f279cb7f80

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 0A5789C9 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 5 files for free decryption. The total size of files must be less than 10Mb (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\d2f4d0029325668140884fe1532170a8747ad9ecd48d87d11f0e192ae1b84ad6.exe
    "C:\Users\Admin\AppData\Local\Temp\d2f4d0029325668140884fe1532170a8747ad9ecd48d87d11f0e192ae1b84ad6.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:1120
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:364
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1748
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1196
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1184
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:916
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1692
        • 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:1052
        • 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:1036
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1176

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        272108a3da3ad700832685cf36ab8f27

        SHA1

        612dea23f58ddd745269073e2502f6d92bbbaf04

        SHA256

        8007f5a5a5a0adf2d87b7f82db2f370f5d8cde1b7181ad995a301fb9240cf1cc

        SHA512

        a640336905fab92245a79e1950ca9f416918a52833e64b742ea7248223d775a4427e3c45aa847b35919dce8b5c2877296cecd47df106611ad3479b0b6f3c3a9b

        Download Submit

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

        272108a3da3ad700832685cf36ab8f27

        SHA1

        612dea23f58ddd745269073e2502f6d92bbbaf04

        SHA256

        8007f5a5a5a0adf2d87b7f82db2f370f5d8cde1b7181ad995a301fb9240cf1cc

        SHA512

        a640336905fab92245a79e1950ca9f416918a52833e64b742ea7248223d775a4427e3c45aa847b35919dce8b5c2877296cecd47df106611ad3479b0b6f3c3a9b

        Download Submit

      • memory/1052-63-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1120-54-0x0000000075281000-0x0000000075283000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1120-55-0x0000000004810000-0x000000000483A000-memory.dmp

        Filesize

        168KB

        Download

      • memory/1120-56-0x0000000003410000-0x000000000405A000-memory.dmp

        Filesize

        12.3MB

        Download

      • memory/1120-57-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

        Download

      • memory/1120-59-0x0000000003410000-0x000000000405A000-memory.dmp

        Filesize

        12.3MB

        Download

      • memory/1120-60-0x0000000003410000-0x000000000405A000-memory.dmp

        Filesize

        12.3MB

        Download

      • memory/1120-61-0x0000000003410000-0x000000000405A000-memory.dmp

        Filesize

        12.3MB

        Download

      • memory/1120-62-0x0000000003410000-0x000000000405A000-memory.dmp

        Filesize

        12.3MB

        Download