Overview

overview

10

Static

static

dharma.exe

windows7-x64

10

dharma.exe

windows10-2004-x64

10

Resubmissions

11-01-2024 08:29

240111-kdjm8sdcb8 10

05-12-2022 08:34

221205-kgqwqagb21 10

Analysis

  • max time kernel
    100s
  • max time network
    82s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 08:34

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General

  • Target

    dharma.exe

  • Size

    92KB

  • MD5

    ba67dd5ab7d6061704f2903573cec303

  • SHA1

    f7ca4a5d4c8d24083b86ff0a5b102ad68e0c9e34

  • SHA256

    6b1f4df924fb0e5067df18dfc5063d409f3bf2ee0d14b381b3f583e0d0da3ae5

  • SHA512

    291ab3acb7e7619243baced30ceed24b65f76a7edc9e2d1eb875ebdf590b3321c40ec1a3d44c109ab6a8a29ad43268780fcdd0448227f8f0c62ba7bbaadc7452

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AaEsY/ZlZI7teK7FiuiqhxVXf8lvLte23q9AH2:Qw+asqN5aW/hLnsqfcteK7VJAztb3qs

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 0B9D5182 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
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\dharma.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:4928
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2768
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1968
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3808
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3644
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4576
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Suspicious use of FindShellTrayWindow
          PID:3500
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:1764
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2948

        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

          edea777283c13384073d6c1760ec028d

          SHA1

          58296d6dd30c5c4f3aec11fa87cd2ef54ce2b99b

          SHA256

          f50be39f8bead2f5f102f32d332f7ab25123ac1fc7b9811d5a1e33e5d0a22b42

          SHA512

          103e21347b0c5f2d0cdbb37030a26a0f1b8c06ad2857582faccb82179b7a161929fbd049b602dbded542a94e090ff9299994665caf7e69bc6423018bea21b6e6

          Download Submit

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

          13KB

          MD5

          edea777283c13384073d6c1760ec028d

          SHA1

          58296d6dd30c5c4f3aec11fa87cd2ef54ce2b99b

          SHA256

          f50be39f8bead2f5f102f32d332f7ab25123ac1fc7b9811d5a1e33e5d0a22b42

          SHA512

          103e21347b0c5f2d0cdbb37030a26a0f1b8c06ad2857582faccb82179b7a161929fbd049b602dbded542a94e090ff9299994665caf7e69bc6423018bea21b6e6

          Download Submit

        • memory/1180-132-0x0000000000000000-mapping.dmp

          Download

        • memory/1764-139-0x0000000000000000-mapping.dmp

          Download

        • memory/1968-134-0x0000000000000000-mapping.dmp

          Download

        • memory/2768-133-0x0000000000000000-mapping.dmp

          Download

        • memory/3500-138-0x0000000000000000-mapping.dmp

          Download

        • memory/3644-136-0x0000000000000000-mapping.dmp

          Download

        • memory/3808-135-0x0000000000000000-mapping.dmp

          Download

        • memory/4576-137-0x0000000000000000-mapping.dmp

          Download