Overview

overview

10

Static

static

3

CoronaVirus.exe

windows7-x64

CoronaVirus.exe

windows10-2004-x64

Resubmissions

30-06-2024 01:19

240630-bpptys1fka 10

29-06-2024 23:34

240629-3kgrbszama 10

Analysis

  • max time kernel
    167s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 01:19

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Errors

Reason
Machine shutdown
Report Analysis Logs

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
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 CDB86E6B 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 (520) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 6 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).

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

    SCSI 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 27 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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⤵
    • 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:216
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:7728
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4432
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:27288
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:25576
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5200
        • 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:25632
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:25516
          • C:\Windows\system32\taskmgr.exe
            "C:\Windows\system32\taskmgr.exe" /4
            1⤵
            • Drops startup file
            • Checks SCSI registry key(s)
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:19112
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:25908
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
            1⤵
              PID:28028
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x4 /state0:0xa3928855 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              • Suspicious use of SetWindowsHookEx
              PID:6916

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-CDB86E6B.[[email protected]].ncov
              Filesize

              3.2MB

              MD5

              04027928ee2d30d0ab070c6fef5fca5d

              SHA1

              9d299d0dad498043aab7d248cd94f62c71b2b018

              SHA256

              4034d2156ec91ca6444105aec09f3ba45afb4280e785d563878d9e2930ad081f

              SHA512

              711d56515132940fb09e5d4d81df578252d201ca729a929ed60ecc92bf77530ef246af3f5bf952fb894a2fc444228108962d8e3810347c7f4392375b1f0d439a

              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\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
              Filesize

              13KB

              MD5

              aca3b3baa51935dc2da7837bd52406f2

              SHA1

              d56ebfb804bc7c728fc66c68e5bff9b3d148273d

              SHA256

              d4a1d0a633b9344d512ccf5866b38bfc56111be4331307c2dc570cfe4617d84b

              SHA512

              ba8de5f38a5bc80a09611746629ef151ee63222ec0dd7ed2766552cfca894d3ab7cc720502cc49525072a8713096b47a32ba9b29951830fb7cff8a4e646d42f3

              Download Submit

            • memory/216-0-0x0000000000400000-0x000000000056F000-memory.dmp

              Filesize

              1.4MB

              Download

            • memory/216-1-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

              Filesize

              208KB

              Download

            • memory/216-3-0x0000000000400000-0x000000000056F000-memory.dmp

              Filesize

              1.4MB

              Download

            • memory/216-16309-0x0000000000400000-0x000000000056F000-memory.dmp

              Filesize

              1.4MB

              Download

            • memory/216-24691-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

              Filesize

              208KB

              Download

            • memory/19112-24677-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24676-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24675-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24674-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24673-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24672-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24671-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24658-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24659-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download

            • memory/19112-24660-0x0000018628020000-0x0000018628021000-memory.dmp

              Filesize

              4KB

              Download