Overview

overview

10

Static

static

CoronaVirus.exe

windows7_x64

CoronaVirus.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-08-2021 00:43

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    CoronaVirus.exe

  • Size

    1.0MB

  • MD5

    055d1462f66a350d9886542d4d79bc2b

  • SHA1

    f1086d2f667d807dbb1aa362a7a809ea119f2565

  • SHA256

    dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

  • SHA512

    2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

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 79801A6B 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
  • 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). Likely ransomware behaviour.

  • Interacts with shadow copies 2 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

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:568
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3588
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1592
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3264
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1248
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Suspicious use of FindShellTrayWindow
          PID:640
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:248
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1580

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
          MD5

          565c416b205f71502f533f2d41ba65a4

          SHA1

          97e2131904a71d5d57c430da20e04f89eeb4987e

          SHA256

          0472d82c820c3768439e80591150190a7f5ab09e88e6be4d1a63e7e2925a402f

          SHA512

          3440bf0ac5b5794cdc52c60da0043755c72e2bf87a9a0fb1582b3b9306defbd6df97c0784817afcc1fcbd606d55d7ba13f53662c3b79131d85a9b77f5bdb0db6

          Download Submit
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
          MD5

          565c416b205f71502f533f2d41ba65a4

          SHA1

          97e2131904a71d5d57c430da20e04f89eeb4987e

          SHA256

          0472d82c820c3768439e80591150190a7f5ab09e88e6be4d1a63e7e2925a402f

          SHA512

          3440bf0ac5b5794cdc52c60da0043755c72e2bf87a9a0fb1582b3b9306defbd6df97c0784817afcc1fcbd606d55d7ba13f53662c3b79131d85a9b77f5bdb0db6

          Download Submit
        • memory/248-123-0x0000000000000000-mapping.dmp
          Download
        • memory/568-114-0x000000000AD00000-0x000000000AD34000-memory.dmp
          Filesize

          208KB

          Download
        • memory/568-115-0x0000000000400000-0x000000000056F000-memory.dmp
          Filesize

          1.4MB

          Download
        • memory/640-122-0x0000000000000000-mapping.dmp
          Download
        • memory/1248-121-0x0000000000000000-mapping.dmp
          Download
        • memory/1592-118-0x0000000000000000-mapping.dmp
          Download
        • memory/2264-119-0x0000000000000000-mapping.dmp
          Download
        • memory/3264-120-0x0000000000000000-mapping.dmp
          Download
        • memory/3588-117-0x0000000000000000-mapping.dmp
          Download
        • memory/3796-116-0x0000000000000000-mapping.dmp
          Download