Overview

overview

10

Static

static

3

CoronaVirus.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    598s
  • max time network
    599s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-10-2024 09:07

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General

  • Target

    CoronaVirus.exe

  • Size

    1.0MB

  • MD5

    055d1462f66a350d9886542d4d79bc2b

  • SHA1

    f1086d2f667d807dbb1aa362a7a809ea119f2565

  • SHA256

    dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

  • SHA512

    2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

  • SSDEEP

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

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

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 0510A51F 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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (554) 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 6 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
  • Drops file in Windows directory 4 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 1 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 3 TTPs 2 IoCs

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

    ransomware
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 31 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 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:1536
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:39004
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:30456
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:28224
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:30460
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:28664
        • 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:28340
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:28428
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:28760
          • C:\Windows\system32\werfault.exe
            werfault.exe /h /shared Global\67fd2074e7f043f3ae62eedec2fd597c /t 28440 /p 28428
            1⤵
              PID:29052
            • C:\Windows\system32\OpenWith.exe
              C:\Windows\system32\OpenWith.exe -Embedding
              1⤵
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              PID:29180
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\FILES ENCRYPTED.txt
              1⤵
                PID:29328
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
                1⤵
                  PID:5392
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
                  1⤵
                    PID:26384
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                    • Modifies registry class
                    • Suspicious use of SetWindowsHookEx
                    PID:29804
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                    • Modifies registry class
                    • Suspicious use of SetWindowsHookEx
                    PID:29860
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                    • Modifies registry class
                    • Suspicious use of SetWindowsHookEx
                    PID:29908
                  • C:\Windows\system32\werfault.exe
                    werfault.exe /h /shared Global\9fe1186cd29a4df1aa33b6400a12e509 /t 28344 /p 28340
                    1⤵
                      PID:30040
                    • C:\Windows\system32\BackgroundTransferHost.exe
                      "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
                      1⤵
                      • Modifies registry class
                      PID:30580
                    • C:\Windows\System32\oobe\UserOOBEBroker.exe
                      C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
                      1⤵
                      • Drops file in Windows directory
                      PID:31320
                    • C:\Windows\system32\OpenWith.exe
                      C:\Windows\system32\OpenWith.exe -Embedding
                      1⤵
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:32508
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\FILES ENCRYPTED.txt
                      1⤵
                      • Drops desktop.ini file(s)
                      • Modifies registry class
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of SetWindowsHookEx
                      • Suspicious use of WriteProcessMemory
                      PID:32360
                      • C:\Windows\System32\Taskmgr.exe
                        "C:\Windows\System32\Taskmgr.exe"
                        2⤵
                        • Drops startup file
                        • Checks SCSI registry key(s)
                        • Checks processor information in registry
                        • Modifies registry class
                        • Suspicious behavior: GetForegroundWindowSpam
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        PID:32632
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                      1⤵
                        PID:33320
                      • C:\Windows\system32\LogonUI.exe
                        "LogonUI.exe" /flags:0x4 /state0:0xa3981055 /state1:0x41c64e6d
                        1⤵
                        • Modifies data under HKEY_USERS
                        • Suspicious use of SetWindowsHookEx
                        PID:4508

                      Network

                      MITRE ATT&CK Enterprise v15

                      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

                      Peripheral Device Discovery

                      1
                      T1120

                      Query Registry

                      2
                      T1012

                      System Information Discovery

                      3
                      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

                      • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-0510A51F.[[email protected]].ncov
                        Filesize

                        2.7MB

                        MD5

                        109df0630debd20bd78cc380071a5d9d

                        SHA1

                        c333ee48df0b1cb3aa770fc54bb9111f7b63f8b4

                        SHA256

                        e675ddf45773caa42b3bdaa7462e044b14c024457326bf075fbb3f4f4cccc2be

                        SHA512

                        a8ea8e92df09210613e6f466083083301e84b55c980bb972c3658763e1e1d1a8032443007f9df64947e6f18bc6d6996f8fbc6dc551a0b76e9f8aafb315644e5a

                        Download Submit

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

                        13KB

                        MD5

                        807f1fb63b7def920a5ef97dc105f608

                        SHA1

                        6e8c16fd5143dc199f98a56910a4a17a023892b2

                        SHA256

                        143e8785bc9914d464effba08ef3467442cb649fbeffeacf165b6988e959e123

                        SHA512

                        c360038857a9ad365cfb19297a685650f69c5021a61b4d7201394499c4cfaf2199ab0086d7f5d7083feac85a7184f35b371cbaab47bc54ec685fd5ec5b0352a5

                        Download Submit

                      • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\cd02f2d2-b521-416c-ba50-797880760fb4.down_data
                        Filesize

                        555KB

                        MD5

                        5683c0028832cae4ef93ca39c8ac5029

                        SHA1

                        248755e4e1db552e0b6f8651b04ca6d1b31a86fb

                        SHA256

                        855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

                        SHA512

                        aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

                        Download Submit

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

                        1.0MB

                        MD5

                        055d1462f66a350d9886542d4d79bc2b

                        SHA1

                        f1086d2f667d807dbb1aa362a7a809ea119f2565

                        SHA256

                        dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

                        SHA512

                        2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

                        Download Submit

                      • C:\Users\Admin\Searches\desktop.ini
                        Filesize

                        69B

                        MD5

                        ebe920fb3f51afb853c744ff9a2b0625

                        SHA1

                        a013326979d5420161eb4966c16aa13604c2fd1c

                        SHA256

                        82036eb458ab07b5957d034f385ed10c3cce76a59dfce817abc4c50aafb0cb5b

                        SHA512

                        9bef617875bc2df2909ddf656868f32cd829b5a699101b519114b643ad70f3a90e57f9533e6618ffb6c577af100f2a24ae2a1bb45b9d3288b4525388ed7a37fa

                        Download Submit

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

                        170B

                        MD5

                        21539971cae3b6278ce678b16b3f2643

                        SHA1

                        f4357280ca6838b0b62e610c6ffc24d1ab615e37

                        SHA256

                        b386715edcdb5fbb762f2308d588c5a67bfe65745105b87228596885e4715045

                        SHA512

                        43f07a7df1bf14f76f60424219f00c051f4097f222f3b453cd208449f30e4915745300ad89f45a738bd828c7691fe97c0a16fa58115057d4ccf0e1784b46a7db

                        Download Submit

                      • memory/1536-1-0x000000000A6A0000-0x000000000A6D4000-memory.dmp

                        Filesize

                        208KB

                        Download

                      • memory/1536-3-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                        Download

                      • memory/1536-4945-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                        Download

                      • memory/1536-24748-0x000000000A6A0000-0x000000000A6D4000-memory.dmp

                        Filesize

                        208KB

                        Download

                      • memory/1536-0-0x0000000000400000-0x000000000056F000-memory.dmp

                        Filesize

                        1.4MB

                        Download

                      • memory/32632-24793-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24799-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24802-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24801-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24800-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24803-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24798-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24797-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24792-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download

                      • memory/32632-24791-0x0000021246840000-0x0000021246841000-memory.dmp

                        Filesize

                        4KB

                        Download