Overview

overview

10

Static

static

6c9a60f20a...43.exe

windows7-x64

10

6c9a60f20a...43.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 07:22

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General

  • Target

    6c9a60f20ae20b8224c495d4f3abfb5e15a8a68fc8fe307e50a91b6c24457f43.exe

  • Size

    330KB

  • MD5

    9ece9d0ddb47378ca38d416c82e1e2c3

  • SHA1

    b35e4b318f87b6d3d4738a918dbb92d5a2151c9a

  • SHA256

    6c9a60f20ae20b8224c495d4f3abfb5e15a8a68fc8fe307e50a91b6c24457f43

  • SHA512

    7f033360bda42585ab61d154281aa69ad231676cad6a8ac1a6d1fa032ab45feee9fe0130a7c404d1db385d512f5c16a580f328244de3d576979050f93f5eb092

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 66D06690 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 WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c9a60f20ae20b8224c495d4f3abfb5e15a8a68fc8fe307e50a91b6c24457f43.exe
    "C:\Users\Admin\AppData\Local\Temp\6c9a60f20ae20b8224c495d4f3abfb5e15a8a68fc8fe307e50a91b6c24457f43.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:3496
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3140
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1840
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:872
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2232
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2056
        • 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:3672
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3668
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4032

          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

            740deb8381c99842055f672bb974260f

            SHA1

            caf6e35c284a44b57061b7415de160d711abb571

            SHA256

            bac434f81af8f12c77057ac6f5b3a49188022184750061ec4ba5af7eb7dbde56

            SHA512

            d80168a20420268bb5b7a23dd71fecb4d240ac9388fccd20c958e21bdb81dd7fea88bf3c1f694b917126b0a92a09712e0c667c882642f71194af9cd1d21c98a3

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

            13KB

            MD5

            740deb8381c99842055f672bb974260f

            SHA1

            caf6e35c284a44b57061b7415de160d711abb571

            SHA256

            bac434f81af8f12c77057ac6f5b3a49188022184750061ec4ba5af7eb7dbde56

            SHA512

            d80168a20420268bb5b7a23dd71fecb4d240ac9388fccd20c958e21bdb81dd7fea88bf3c1f694b917126b0a92a09712e0c667c882642f71194af9cd1d21c98a3

            Download Submit

          • memory/872-138-0x0000000000000000-mapping.dmp

            Download

          • memory/1512-131-0x0000000000000000-mapping.dmp

            Download

          • memory/1840-137-0x0000000000000000-mapping.dmp

            Download

          • memory/2056-140-0x0000000000000000-mapping.dmp

            Download

          • memory/2232-139-0x0000000000000000-mapping.dmp

            Download

          • memory/3140-136-0x0000000000000000-mapping.dmp

            Download

          • memory/3496-130-0x0000000007BE5000-0x0000000007BF8000-memory.dmp

            Filesize

            76KB

            Download

          • memory/3496-135-0x0000000007BE5000-0x0000000007BF8000-memory.dmp

            Filesize

            76KB

            Download

          • memory/3496-134-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

            Download

          • memory/3496-133-0x00000000001C0000-0x00000000001D9000-memory.dmp

            Filesize

            100KB

            Download

          • memory/3496-132-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

            Download

          • memory/3668-142-0x0000000000000000-mapping.dmp

            Download

          • memory/3672-141-0x0000000000000000-mapping.dmp

            Download