Overview

overview

10

Static

static

023f69ef6d...10.exe

windows7_x64

10

023f69ef6d...10.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    28-05-2022 05:35

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General

  • Target

    023f69ef6dae03563d033b53730b56c53cedcb376d253ada613fd98c9a9ee010.exe

  • Size

    314KB

  • MD5

    35c571a5e2465bd7d7b8c3e3eca4eaed

  • SHA1

    0e8ebcd8d1042a5f2d59c6439051dda41675e972

  • SHA256

    023f69ef6dae03563d033b53730b56c53cedcb376d253ada613fd98c9a9ee010

  • SHA512

    7c609be2fd889297d02581a21fe2560873373feb95545d77b385317da434ee20688b8891bf3bc1394210cf75b89fd543d477b6a34a4dfa4c5ef86597c05ae69d

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 3E535638 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 1 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\023f69ef6dae03563d033b53730b56c53cedcb376d253ada613fd98c9a9ee010.exe
    "C:\Users\Admin\AppData\Local\Temp\023f69ef6dae03563d033b53730b56c53cedcb376d253ada613fd98c9a9ee010.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:1720
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:692
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:268
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1068
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:744
        • 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:776
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:1308
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1188

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          13KB

          MD5

          66b934b96114dc307f96bd7dd123fc72

          SHA1

          b2e9b89efd18c85ddd556a3f561bbf59c7a058a0

          SHA256

          3690d6ba40930093c76be2ffb973174ad881db1f737feadbba6b5406c5e34d5d

          SHA512

          855a1eab0a8b0a660ab3f9e647a0df70083bf2095d427c96808b10784f13724bea2cdebec82d7ea39bf87a10719f6edb0dc20dcbd1871d6a36f8fa25e01dabb4

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

          13KB

          MD5

          66b934b96114dc307f96bd7dd123fc72

          SHA1

          b2e9b89efd18c85ddd556a3f561bbf59c7a058a0

          SHA256

          3690d6ba40930093c76be2ffb973174ad881db1f737feadbba6b5406c5e34d5d

          SHA512

          855a1eab0a8b0a660ab3f9e647a0df70083bf2095d427c96808b10784f13724bea2cdebec82d7ea39bf87a10719f6edb0dc20dcbd1871d6a36f8fa25e01dabb4

          Download Submit

        • memory/268-58-0x0000000000000000-mapping.dmp

          Download

        • memory/692-57-0x0000000000000000-mapping.dmp

          Download

        • memory/744-65-0x0000000000000000-mapping.dmp

          Download

        • memory/776-66-0x0000000000000000-mapping.dmp

          Download

        • memory/964-56-0x0000000000000000-mapping.dmp

          Download

        • memory/1068-64-0x0000000000000000-mapping.dmp

          Download

        • memory/1308-67-0x0000000000000000-mapping.dmp

          Download

        • memory/1308-68-0x000007FEFC041000-0x000007FEFC043000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1720-59-0x00000000007FF000-0x0000000000815000-memory.dmp

          Filesize

          88KB

          Download

        • memory/1720-61-0x0000000000400000-0x00000000005FE000-memory.dmp

          Filesize

          2.0MB

          Download

        • memory/1720-62-0x0000000000400000-0x00000000005FE000-memory.dmp

          Filesize

          2.0MB

          Download

        • memory/1720-60-0x0000000000220000-0x0000000000239000-memory.dmp

          Filesize

          100KB

          Download

        • memory/1720-54-0x00000000007FF000-0x0000000000815000-memory.dmp

          Filesize

          88KB

          Download

        • memory/1720-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1808-63-0x0000000000000000-mapping.dmp

          Download