Overview

overview

10

Static

static

70bae0e653...ad.exe

windows7-x64

10

70bae0e653...ad.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-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 938E295F 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead.exe
    "C:\Users\Admin\AppData\Local\Temp\70bae0e653c2c9b4645b932447fcfcf3693b9e65de9fd31f188acf506da7eead.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:4840
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2080
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1324
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4452
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2700
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:4712
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:2348
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4572

          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

          1
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          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

            bbfc98a03108deb524389c0eac153912

            SHA1

            9218ec7e3b7372b6dc45254cae0346072a8a8706

            SHA256

            47a1ee5cba6579b0f6b29c705e0c4f8a6f5c6a5ab1e7489d20a15b20ead45878

            SHA512

            9440ff16b5b23294e46a3367e48260c1c4bca9fd87a2f12e8b34c917d1bf2f1cc888794a057b2f026fd57b5ce9435e511dae02921360cec4b9c056eb5c630672

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

            13KB

            MD5

            bbfc98a03108deb524389c0eac153912

            SHA1

            9218ec7e3b7372b6dc45254cae0346072a8a8706

            SHA256

            47a1ee5cba6579b0f6b29c705e0c4f8a6f5c6a5ab1e7489d20a15b20ead45878

            SHA512

            9440ff16b5b23294e46a3367e48260c1c4bca9fd87a2f12e8b34c917d1bf2f1cc888794a057b2f026fd57b5ce9435e511dae02921360cec4b9c056eb5c630672

            Download Submit
          • memory/1324-135-0x0000000000000000-mapping.dmp
            Download
          • memory/2080-132-0x0000000000000000-mapping.dmp
            Download
          • memory/2348-141-0x0000000000000000-mapping.dmp
            Download
          • memory/2700-139-0x0000000000000000-mapping.dmp
            Download
          • memory/4452-138-0x0000000000000000-mapping.dmp
            Download
          • memory/4616-137-0x0000000000000000-mapping.dmp
            Download
          • memory/4712-140-0x0000000000000000-mapping.dmp
            Download
          • memory/4840-133-0x000000000361F000-0x0000000003635000-memory.dmp
            Filesize

            88KB

            Download
          • memory/4840-136-0x0000000000400000-0x0000000003381000-memory.dmp
            Filesize

            47.5MB

            Download
          • memory/4840-134-0x00000000001C0000-0x00000000001D9000-memory.dmp
            Filesize

            100KB

            Download
          • memory/4840-130-0x000000000361F000-0x0000000003635000-memory.dmp
            Filesize

            88KB

            Download
          • memory/5104-131-0x0000000000000000-mapping.dmp
            Download