Overview

overview

10

Static

static

3

CoronaVirus.exe

windows10-2004-x64

10

CoronaVirus.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/06/2026, 12:19

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General

  • Target
    CoronaVirus.exe
  • Size 1.0MB
  • Sample260603-phm9faex9v
  • SHA256 dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
credential_accessdefense_evasiondiscoveryexecutiondharmaimpactpersistenceransomwarespywarestealer

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 BDF3FDF3 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

  • Family: Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (807) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Interacts with shadow copies 3 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 8 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\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:4444
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5008
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:20860
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:10644
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:13360
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:10712
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:9664
        • 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:11656
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:11240
          • C:\Windows\System32\CoronaVirus.exe
            C:\Windows\System32\CoronaVirus.exe
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:11976
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:9464

          Network

                MITRE ATT&CK Enterprise v16

                Reconnaissance

                Resource Development

                Initial Access

                Execution

                Windows Management Instrumentation

                1
                T1047

                Persistence

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Privilege Escalation

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Defense Evasion

                Direct Volume Access

                1
                T1006

                Indicator Removal

                2
                T1070

                File Deletion

                2
                T1070.004

                Modify Registry

                1
                T1112

                Credential Access

                Credentials from Password Stores

                2
                T1555

                Credentials from Web Browsers

                1
                T1555.003

                Windows Credential Manager

                1
                T1555.004

                Unsecured Credentials

                1
                T1552

                Credentials In Files

                1
                T1552.001

                Discovery

                Browser Information Discovery

                1
                T1217

                System Information Discovery

                1
                T1082

                System Location Discovery

                1
                T1614

                System Language Discovery

                1
                T1614.001

                Lateral Movement

                Collection

                Data from Local System

                1
                T1005

                Command and Control

                Exfiltration

                Impact

                Inhibit System Recovery

                2
                T1490

                Replay Monitor

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                Downloads

                AppvIsvSubsystems64.dll.id-BDF3FDF3.[[email protected]].ncov
                • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-BDF3FDF3.[[email protected]].ncov
                • Size 3.2MB
                • SHA256 0accc56df9c8552bb8f9aa836f00052a5d8a1e1f35f3c1fd6409ebc2e0aa8b8a
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                Info.hta
                • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
                • Size 13KB
                • SHA256 123ea27477e27e0c3a6978af97d54e15cd05bc6aacbf6184871701449ed1e2be
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                CoronaVirus.exe
                • Path C:\Windows\System32\CoronaVirus.exe
                • Size 1.0MB
                • SHA256 dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/4444-0-0x0000000000400000-0x000000000056F000-memory.dmp
                Download

                memory/4444-1-0x000000000AEC0000-0x000000000AEF4000-memory.dmp
                Download

                memory/4444-2-0x0000000000400000-0x000000000056F000-memory.dmp
                Download

                memory/4444-5644-0x0000000000400000-0x000000000056F000-memory.dmp
                Download

                memory/4444-28292-0x000000000AEC0000-0x000000000AEF4000-memory.dmp
                Download

                memory/11976-28284-0x0000000000400000-0x000000000056F000-memory.dmp
                Download

                memory/11976-28293-0x0000000000400000-0x000000000056F000-memory.dmp
                Download

                memory/11976-28294-0x0000000000400000-0x000000000056F000-memory.dmp
                Download