Overview

overview

10

Static

static

153834ac3c...6d.exe

windows7_x64

10

153834ac3c...6d.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09/06/2022, 08:04

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General

  • Target

    153834ac3c6b67f479548e8069a1de8419764a18df200bd429eb77c062d1b36d.exe

  • Size

    92KB

  • MD5

    26bd8a37e289236f7f3508ae5969649c

  • SHA1

    87576661fc5cd7f77e690a10b7f6117b053344bb

  • SHA256

    153834ac3c6b67f479548e8069a1de8419764a18df200bd429eb77c062d1b36d

  • SHA512

    8a27314a1c9422ffdbfdc497d1f1d6decdbd951b73bf812d95ec15a971da7f61caeff6faef93f8e6a884f6014559ea2576fee4a42e2132cca3e9629f8aed1cf4

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 E534AA37 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 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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\153834ac3c6b67f479548e8069a1de8419764a18df200bd429eb77c062d1b36d.exe
    "C:\Users\Admin\AppData\Local\Temp\153834ac3c6b67f479548e8069a1de8419764a18df200bd429eb77c062d1b36d.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:2328
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3604
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:460
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2288
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2700
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:3676
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3216
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1340

          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

            06391d3456dfae601fb96eaf61aae642

            SHA1

            14fb345cd3c587c927a1a75d44628dd1444e235f

            SHA256

            9783064dba629483b24d8c2a40a6c28c1216abe2b105441e9b06c448625b6861

            SHA512

            7d158b00bec92ffc55dfa4f883979a3cb91c0d1601af042a4f44d582a86a261cef346d85fc547ba31f8d1aa7f21e0f826a247964e177a157a87475ccddee0f81

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

            13KB

            MD5

            06391d3456dfae601fb96eaf61aae642

            SHA1

            14fb345cd3c587c927a1a75d44628dd1444e235f

            SHA256

            9783064dba629483b24d8c2a40a6c28c1216abe2b105441e9b06c448625b6861

            SHA512

            7d158b00bec92ffc55dfa4f883979a3cb91c0d1601af042a4f44d582a86a261cef346d85fc547ba31f8d1aa7f21e0f826a247964e177a157a87475ccddee0f81

            Download Submit