Overview

overview

10

Static

static

34c485ad11...49.exe

windows7_x64

10

34c485ad11...49.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    16-10-2020 16:50

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General

  • Target

    34c485ad11076ede709ff409c0e1867dc50fd40311ae6e7318ddf50679fa4049.exe

  • Size

    96KB

  • MD5

    d30120ccc481a25fcca65b74969f42d7

  • SHA1

    6a038d25457a5497983c7f3df2935bf218b5639f

  • SHA256

    34c485ad11076ede709ff409c0e1867dc50fd40311ae6e7318ddf50679fa4049

  • SHA512

    2d481703f0fde65a8539c090c67db84415ec132b674af8c223b9395fa48af0e4f416966235ccd12b9dbdc426bdde1b4ccb0d9a6ed4b6b5a6ccd415f3e6d34ccb

Score
10/10
ransomwarespywaredharmapersistence

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? Write email [email protected]

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 BC407F8B 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.

    spyware
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 77 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 27762 IoCs
  • 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 251 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34c485ad11076ede709ff409c0e1867dc50fd40311ae6e7318ddf50679fa4049.exe
    "C:\Users\Admin\AppData\Local\Temp\34c485ad11076ede709ff409c0e1867dc50fd40311ae6e7318ddf50679fa4049.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:1396
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1888
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1844
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1792
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1428
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:240
        • 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:324
        • 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:2036
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:1748

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        370d225b575f159fae4c43425c5b0aba

        SHA1

        2c12f71b5f88e140a6283882a3464e4dd36f4e43

        SHA256

        174b05233ca435ce3fa9b244874069e5c7b3276350578734476668c59be16543

        SHA512

        a11b658e51b4aedbae263d2939bc77e3d04311020d49111677a766a4f983b2f5fda1e5b0835c3eebd27e19fa643663505c39d7ec06b279f3dc460c6344d05666

        Download Submit

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

        370d225b575f159fae4c43425c5b0aba

        SHA1

        2c12f71b5f88e140a6283882a3464e4dd36f4e43

        SHA256

        174b05233ca435ce3fa9b244874069e5c7b3276350578734476668c59be16543

        SHA512

        a11b658e51b4aedbae263d2939bc77e3d04311020d49111677a766a4f983b2f5fda1e5b0835c3eebd27e19fa643663505c39d7ec06b279f3dc460c6344d05666

        Download Submit

      • memory/236-10-0x000007FEF6960000-0x000007FEF6BDA000-memory.dmp

        Filesize

        2.5MB

        Download

      • memory/240-5-0x0000000000000000-mapping.dmp

        Download

      • memory/324-6-0x0000000000000000-mapping.dmp

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      • memory/324-22-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/1036-0-0x0000000000000000-mapping.dmp

        Download

      • memory/1428-4-0x0000000000000000-mapping.dmp

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      • memory/1792-3-0x0000000000000000-mapping.dmp

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      • memory/1844-2-0x0000000000000000-mapping.dmp

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      • memory/1888-1-0x0000000000000000-mapping.dmp

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      • memory/2036-7-0x0000000000000000-mapping.dmp

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      • memory/2036-26-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download