Overview

overview

10

Static

static

d6d0a4a350...59.exe

windows7_x64

10

d6d0a4a350...59.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    05-03-2022 15:11

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General

  • Target

    d6d0a4a350dfbad37495dba47635e707392fd334cfa0475ceb3a0e87ddc25659.exe

  • Size

    92KB

  • MD5

    fe843d6ac39d6d90de8e326c8463f6be

  • SHA1

    15cfb57b7a4366692589a5d7f54bc7c36dd6de46

  • SHA256

    d6d0a4a350dfbad37495dba47635e707392fd334cfa0475ceb3a0e87ddc25659

  • SHA512

    c7271ae08b0deb0d3a505ba3a1ca0ca539ac82e222fcf087d0c1ed5881ad61b2528c2fd43f53a86e59e1b30d2b4d8713dab839119f4dee01692098a0a6e1900b

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 47F64587 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 3 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\d6d0a4a350dfbad37495dba47635e707392fd334cfa0475ceb3a0e87ddc25659.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d0a4a350dfbad37495dba47635e707392fd334cfa0475ceb3a0e87ddc25659.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:548
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:820
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2192
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2592
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2620
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2100
        • 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:3224
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:408
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2756

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads

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

            32333007d582508ea185ec8e498e8703

            SHA1

            871b0af60a79ed5ea9b5009521527c990a08cbb3

            SHA256

            38b3c34c7315df615d5c0f822b979098a09a207bbcfd155776e4cffa3fcd516b

            SHA512

            919e83a6fc5fc88ce2ce7140c7661adb586a803f6545f0641403514f1a49479498d420e6075d59b7fead5caac1ed2682019d79ee02fa31a133b70ae5efb94bf8

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

            32333007d582508ea185ec8e498e8703

            SHA1

            871b0af60a79ed5ea9b5009521527c990a08cbb3

            SHA256

            38b3c34c7315df615d5c0f822b979098a09a207bbcfd155776e4cffa3fcd516b

            SHA512

            919e83a6fc5fc88ce2ce7140c7661adb586a803f6545f0641403514f1a49479498d420e6075d59b7fead5caac1ed2682019d79ee02fa31a133b70ae5efb94bf8

            Download Submit