Overview

overview

10

Static

static

3

CoronaVirus.exe

windows7-x64

10

CoronaVirus.exe

windows10-2004-x64

10

Resubmissions

29-04-2024 07:46

240429-jlyaxsdf97 10

28-04-2024 13:27

240428-qp2wvagg39 10

28-04-2024 13:08

240428-qdnj3sge28 10

28-04-2024 12:57

240428-p7ch8sgc77 10

28-04-2024 12:50

240428-p25ylagf2v 10

28-04-2024 12:29

240428-pnvwgagb8t 10

Analysis

  • max time kernel
    48s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 12:50

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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
dharmapersistenceransomwarespywarestealer

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 2CB9B9FB 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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (316) files with added filename extension

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

    ransomware
  • Drops startup file 5 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).

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2484
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2848
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1616
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1504
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1344
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:472
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
        1⤵
          PID:1984
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1256

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-2CB9B9FB.[[email protected]].ncov
          Filesize

          23.5MB

          MD5

          a30032964b0468fda5546862c188a7d0

          SHA1

          3b5cb5ad55d843dfabf49c02f3cbc5909a56ff8a

          SHA256

          4651e6c97055f98ea3a7c3a5c122cc251350c42595b02a867fe2a2225907e595

          SHA512

          91fa9583c4ddc37b9bf2c73cb0f8251c808c3ad9c857436c8261b2cdc519b27ed84e664e153c7f7b9bf898914b5b0039b173d61ae3f753c7b5295f99b02b486a

          Download Submit

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

          13KB

          MD5

          23f649e5d11236ecf5d2d3457294264b

          SHA1

          a0dc166f780f35a45ca2d7bb0fe532a2e9c52bf1

          SHA256

          6b28684445cdf65e2098c22e9f7b3a9b32ae977923df89b3fd100b3eb3dcb16d

          SHA512

          a2d2f9258a2a42c1ad5144622a58ab767d7e29e76d7707b46443f28324bfcf929904e857a1d7436d25c9ace9aa1deb4cd271c0ac3481b70b56edbe4954025134

          Download Submit

        • memory/472-20204-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

          Filesize

          64KB

          Download

        • memory/2512-0-0x0000000000400000-0x000000000056F000-memory.dmp

          Filesize

          1.4MB

          Download

        • memory/2512-1-0x000000000ACA0000-0x000000000ACD4000-memory.dmp

          Filesize

          208KB

          Download

        • memory/2512-2-0x0000000000400000-0x000000000056F000-memory.dmp

          Filesize

          1.4MB

          Download

        • memory/2512-7508-0x0000000000400000-0x000000000056F000-memory.dmp

          Filesize

          1.4MB

          Download

        • memory/2512-15241-0x000000000ACA0000-0x000000000ACD4000-memory.dmp

          Filesize

          208KB

          Download