Overview

overview

10

Static

static

7a0046f0ab...25.exe

windows7_x64

10

7a0046f0ab...25.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294211s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 00:12

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General

  • Target

    7a0046f0abbae61e2f3441f01b4c4967c9042276984a68136bcf394ba5a7f125.exe

  • Size

    92KB

  • MD5

    0d5e9fc97d32bd4af4a3e15ba4886cde

  • SHA1

    62542879782515960948cdc864630998f17752fb

  • SHA256

    7a0046f0abbae61e2f3441f01b4c4967c9042276984a68136bcf394ba5a7f125

  • SHA512

    b2c467613f7874f9b31469061126c1fbd5a6b853dfe96caba229550ccc2e11befac09afbbca8fabd846c7efba2ef8c66c7fd50752618e0b7ace68e2dc3796e64

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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 910087F9 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a0046f0abbae61e2f3441f01b4c4967c9042276984a68136bcf394ba5a7f125.exe
    "C:\Users\Admin\AppData\Local\Temp\7a0046f0abbae61e2f3441f01b4c4967c9042276984a68136bcf394ba5a7f125.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:528
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1820
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:828
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:872
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2000
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1164
        • 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:1092
        • 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:1988
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1080

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        c59875263505a4481dc91f43edb888ec

        SHA1

        3241707a969557b1f029bbbab2920d3e62ca1dc6

        SHA256

        09514fa7583c844d34d58176ceb1b3b69cc199990fb3b60f076ee9d34498f5c4

        SHA512

        53acef809f65c20255b67e5e983d78a75e88158b3ffdf387ae48f3efc81da056ccaf985ae7b07506c632a751ad3518f5232f0ae2c746e285137344a35e07153a

        Download Submit

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

        c59875263505a4481dc91f43edb888ec

        SHA1

        3241707a969557b1f029bbbab2920d3e62ca1dc6

        SHA256

        09514fa7583c844d34d58176ceb1b3b69cc199990fb3b60f076ee9d34498f5c4

        SHA512

        53acef809f65c20255b67e5e983d78a75e88158b3ffdf387ae48f3efc81da056ccaf985ae7b07506c632a751ad3518f5232f0ae2c746e285137344a35e07153a

        Download Submit

      • memory/528-54-0x0000000076771000-0x0000000076773000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1092-55-0x000007FEFC321000-0x000007FEFC323000-memory.dmp

        Filesize

        8KB

        Download