Overview

overview

10

Static

static

10

dharma.exe

windows7-x64

10

dharma.exe

windows10-1703-x64

10

dharma.exe

windows10-2004-x64

10

Resubmissions

23-10-2023 21:58

231023-1vlrxsgc2w 10

28-12-2022 20:03

221228-ys52nsbd89 10

28-12-2022 19:41

221228-yej72sbd64 10

28-12-2022 19:27

221228-x569tsbd43 10

Analysis

  • max time kernel
    156s
  • max time network
    121s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-10-2023 21:58

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General

  • Target

    dharma.exe

  • Size

    677KB

  • MD5

    2d4ec86793fec1e10ac8fb617b2dcdbd

  • SHA1

    078df2b23e7e24f2397532f9ec2694191fd9cc20

  • SHA256

    a6ed8beb599f2aa594298076a2e8312871a2b12feb8e5d072d51335f21f85d7b

  • SHA512

    1e15b4c910532ed36cf3adf605f744784224ceaa815e71588fb521f0e7b76975dc37889e6c8ac2e1c888060eda2380850c8877a801c74e222db043715719c5de

  • SSDEEP

    12288:5IODa1GPYOBsDMOUaIQpGyEV3T5W241YcWEhpEdVe1/4vS1ZoYGIRUafy5LT+0w:5IO+aYxHjpYT5s1YcWEhpEdVe1/4vS1T

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 13E47558 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
  • Renames multiple (438) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\dharma.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\dharma.exe
      C:\Users\Admin\AppData\Local\Temp\dharma.exe
      2⤵
      • 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:3740
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:3912
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:3968
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3000
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:6348
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:5968
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
              PID:6392
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              3⤵
                PID:6172
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1492

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-13E47558.[[email protected]].money
            Filesize

            2.9MB

            MD5

            3045a95a947a0d3e7386b3be71d38b05

            SHA1

            b7e14edf23970838f8f922eee06416bf6a547c1e

            SHA256

            35414b5c635ff4e88b83fe3aace0843dcd498a8a301924a7521117ea7d93c391

            SHA512

            97e68acec2b25fe9321654dbd45a4ea5871962883a16dd68284244b462fcd867b2000ba449c638910508243299a863b63976e6aa11baebcedb4392416e1be985

            Download Submit

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

            13KB

            MD5

            51c431aba6cc9ce60f5d1858e0718e1c

            SHA1

            abc89d87a8a5ed9e90b521f28138597ee01b966c

            SHA256

            7548f1c39e51119d0931168eb36fe865f7d45139aef9e04acdbbffa150313fcf

            SHA512

            99511576bedfe9ae2664a27e0a18b2cbe2bb43ea5f7dff3cdff673b911aefdc2b31b10b3e2e24ee82183bf876fd3fd76e3081cdd878ac3f1b3deba95a3f7723c

            Download Submit

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

            13KB

            MD5

            51c431aba6cc9ce60f5d1858e0718e1c

            SHA1

            abc89d87a8a5ed9e90b521f28138597ee01b966c

            SHA256

            7548f1c39e51119d0931168eb36fe865f7d45139aef9e04acdbbffa150313fcf

            SHA512

            99511576bedfe9ae2664a27e0a18b2cbe2bb43ea5f7dff3cdff673b911aefdc2b31b10b3e2e24ee82183bf876fd3fd76e3081cdd878ac3f1b3deba95a3f7723c

            Download Submit

          • memory/2720-18-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-10-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-5-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-6-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-19-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-9-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-8-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-20-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-11-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-21-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-13-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-14-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-15-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-16-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-17-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-0-0x0000000002BA0000-0x0000000002BD3000-memory.dmp

            Filesize

            204KB

            Download

          • memory/2720-7-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-4-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-12-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-22-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-23-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-24-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-25-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-26-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-27-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-28-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-29-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-30-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-31-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-35-0x0000000002BA0000-0x0000000002BD3000-memory.dmp

            Filesize

            204KB

            Download

          • memory/2720-3-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2720-1-0x0000000002BA0000-0x0000000002BD3000-memory.dmp

            Filesize

            204KB

            Download

          • memory/2720-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/3740-5413-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download