Overview

overview

10

Static

static

3

CoronaVirus.exe

windows7-x64

10

CoronaVirus.exe

windows10-1703-x64

10

CoronaVirus.exe

windows10-2004-x64

10

CoronaVirus.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    272s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 00:11

Sharing

Copy URL
Twitter E-mail
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
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

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 5DBB42D6 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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (525) 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.

  • 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 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
  • 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.

  • 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 12 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
        PID:2208
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6380
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:7464
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:21328
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            3⤵
              PID:22076
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              3⤵
              • Interacts with shadow copies
              PID:21864
          • 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:21564
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              2⤵
                PID:22240
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:31776
            • C:\Windows\system32\werfault.exe
              werfault.exe /h /shared Global\bd998032e7c548e6b075da10258d71fb /t 22232 /p 22240
              1⤵
                PID:10652
              • 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:9916

              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

              Loading Replay Monitor...

              Downloads

              • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-5DBB42D6.[[email protected]].ncov
                Filesize

                3.2MB

                MD5

                35d9741d2731ce7d95911639af148148

                SHA1

                d9fc060e03cb9d02b0e3a39675a0ec70d6ad0dc3

                SHA256

                4316af22a55462938016ef3974f0705ad271f44337478479b05048120c04c9d5

                SHA512

                30e4bb77855eb686bffa9223cd1c93ce14dc73b690faa931498b8eeb128863aa15a3ab4b9e2c1f8a276775438b6c485d02b8aebefa8ec2c211afba108e2f1232

                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

                a424db153e06078941e4b08e484ccd4a

                SHA1

                b197431478895b1481da8c41f4c27606af8ff6d9

                SHA256

                57733a5ec044654230d3c3c4f4335969304824bfefcc38ce4d40e30a4d768a49

                SHA512

                41ee97f9e0a8d024a14a416a5c61af2b8c6281afd8a31735e30f49f8131c64294b74eb877dff2b50da77f713b9730561feba7e950881f10c6414d2685e18acde

                Download Submit

              • memory/1296-0-0x0000000000400000-0x000000000056F000-memory.dmp

                Filesize

                1.4MB

                Download

              • memory/1296-1-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

                Filesize

                208KB

                Download

              • memory/1296-2-0x0000000000400000-0x000000000056F000-memory.dmp

                Filesize

                1.4MB

                Download

              • memory/1296-14985-0x0000000000400000-0x000000000056F000-memory.dmp

                Filesize

                1.4MB

                Download

              • memory/1296-25038-0x000000000ADC0000-0x000000000ADF4000-memory.dmp

                Filesize

                208KB

                Download

              • memory/9916-25055-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25054-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25059-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25065-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25064-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25063-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25062-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25061-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25060-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/9916-25053-0x000001EE485D0000-0x000001EE485D1000-memory.dmp

                Filesize

                4KB

                Download