Overview

overview

10

Static

static

70bae0e653...ad.exe

windows7-x64

10

70bae0e653...ad.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 19:32

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General

  • Target

    70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead.exe

  • Size

    353KB

  • MD5

    3bfb9490f7b26342310fc01c376ae7f0

  • SHA1

    e5a510a2a478df467bb1f257590a8d484a316323

  • SHA256

    70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead

  • SHA512

    071fddeff6610106eb3852b24343dd248deee73938ef8f664394aa57b2c5fcf7b9fa46c3a3d306477d7e8177fea4d512f4e0524a35431d857f2e5923c6c7d683

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 admin@fentex.net Write this ID in the title of your message 88844115 In case of no answer in 24 hours write us to theese e-mails: admin@fentex.world 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.
Emails

admin@fentex.net

admin@fentex.world

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
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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\70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead.exe
    "C:\Users\Admin\AppData\Local\Temp\70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead.exe"
    1⤵
    • Modifies extensions of user files
    • 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:772
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1980
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1864
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:856
      • 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:860
      • 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:1720
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:304
    • C:\Windows\system32\mode.com
      mode con cp select=1251
      1⤵
        PID:1380
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        1⤵
        • Interacts with shadow copies
        PID:1604

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        13KB

        MD5

        497ba2fb05b42312066ae128f976f94a

        SHA1

        55364bea3884a187680fb5ff805ad8b1c4df09d2

        SHA256

        52c8366925fdd87241f29be9b44d5eb5d8c57b8e71dbfdf49467f42012596b52

        SHA512

        257388b02fe138b070fa54fc76bee2618a12098203ec8c826fb86606c5c09248a2c6462da1b32830bf0f99d3f1db3738b93553a1a4695dd4d43bba526b1f389a

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

        13KB

        MD5

        497ba2fb05b42312066ae128f976f94a

        SHA1

        55364bea3884a187680fb5ff805ad8b1c4df09d2

        SHA256

        52c8366925fdd87241f29be9b44d5eb5d8c57b8e71dbfdf49467f42012596b52

        SHA512

        257388b02fe138b070fa54fc76bee2618a12098203ec8c826fb86606c5c09248a2c6462da1b32830bf0f99d3f1db3738b93553a1a4695dd4d43bba526b1f389a

        Download Submit
      • memory/772-55-0x0000000075481000-0x0000000075483000-memory.dmp
        Filesize

        8KB

        Download
      • memory/772-60-0x0000000000020000-0x0000000000039000-memory.dmp
        Filesize

        100KB

        Download
      • memory/772-59-0x0000000003589000-0x000000000359F000-memory.dmp
        Filesize

        88KB

        Download
      • memory/772-61-0x0000000000400000-0x0000000003381000-memory.dmp
        Filesize

        47.5MB

        Download
      • memory/772-54-0x0000000003589000-0x000000000359F000-memory.dmp
        Filesize

        88KB

        Download
      • memory/856-62-0x0000000000000000-mapping.dmp
        Download
      • memory/860-66-0x0000000000000000-mapping.dmp
        Download
      • memory/860-67-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1080-56-0x0000000000000000-mapping.dmp
        Download
      • memory/1380-63-0x0000000000000000-mapping.dmp
        Download
      • memory/1604-64-0x0000000000000000-mapping.dmp
        Download
      • memory/1720-65-0x0000000000000000-mapping.dmp
        Download
      • memory/1864-58-0x0000000000000000-mapping.dmp
        Download
      • memory/1980-57-0x0000000000000000-mapping.dmp
        Download