Analysis

  • max time kernel
    13s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 21:01

General

  • Target

    CoronaVirus.exe

  • Size

    1.0MB

  • MD5

    055d1462f66a350d9886542d4d79bc2b

  • SHA1

    f1086d2f667d807dbb1aa362a7a809ea119f2565

  • SHA256

    dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

  • SHA512

    2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

  • SSDEEP

    24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2

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 553F4051 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.

  • Dharma family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CoronaVirus.exe
    "C:\Users\Admin\AppData\Local\Temp\CoronaVirus.exe"
    1⤵
    • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
        PID:8
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:19452
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:21716
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          2⤵
            PID:22024
            • C:\Windows\system32\mode.com
              mode con cp select=1251
              3⤵
                PID:21700
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:21676
            • 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:21892
              • C:\Windows\System32\mshta.exe
                "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                2⤵
                  PID:21884
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                  PID:21316
                • C:\Windows\system32\werfault.exe
                  werfault.exe /h /shared Global\f292d1237a1747aebe0acb5862697330 /t 21896 /p 21892
                  1⤵
                    PID:13892
                  • C:\Windows\system32\werfault.exe
                    werfault.exe /h /shared Global\84a3025c3bc7449287d2b8df20345374 /t 21876 /p 21884
                    1⤵
                      PID:13840
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\FILES ENCRYPTED.txt
                      1⤵
                        PID:20716

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-553F4051.[[email protected]].ncov

                        Filesize

                        2.7MB

                        MD5

                        ba02e956b128e191a6283c5db904fd58

                        SHA1

                        acfe2db83005fc806d23ee9b1d30c0123c424844

                        SHA256

                        9036d4953ebf80ca2b80634261c7d5596a957d249c54bf3011d137329a3ae5bf

                        SHA512

                        7d66bde5a5180db14b5c00621d80b47e7d931aee2b6cb32fe76ac15b471e7db3879bdca9c61da7ab92876508fd8dfadcfe2542873a21d481c57341a68ba38918

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

                        Filesize

                        13KB

                        MD5

                        9756ab424c3ff7493b3423cfcd07e2b4

                        SHA1

                        8469708fe75216b4bb653484bc57ef14d6f9e30b

                        SHA256

                        9d10f7124c03a7c7c984a5fe6ddb5003c9526bccd19fdaae7ba0113acb2c8ec9

                        SHA512

                        4dd7e3e478c00a96b1216ec1311a987c669f1ad8965c23bc9ff78cd0b2c19c8f036a38f53dff2d24e3f61cde5e6694080b67717beea854efaea8c615df2be702

                      • C:\Users\Public\Desktop\FILES ENCRYPTED.txt

                        Filesize

                        170B

                        MD5

                        21539971cae3b6278ce678b16b3f2643

                        SHA1

                        f4357280ca6838b0b62e610c6ffc24d1ab615e37

                        SHA256

                        b386715edcdb5fbb762f2308d588c5a67bfe65745105b87228596885e4715045

                        SHA512

                        43f07a7df1bf14f76f60424219f00c051f4097f222f3b453cd208449f30e4915745300ad89f45a738bd828c7691fe97c0a16fa58115057d4ccf0e1784b46a7db

                      • memory/1972-0-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/1972-1-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

                        Filesize

                        208KB

                      • memory/1972-3-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/1972-7433-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/1972-19967-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

                        Filesize

                        208KB