Overview

overview

10

Static

static

08f230eb64...e6.exe

windows7_x64

10

08f230eb64...e6.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    06-03-2022 02:14

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General

  • Target

    08f230eb649a5bf7e75066f905843fb71c7cafd15cd08b44c8f1b08f90e23fe6.exe

  • Size

    92KB

  • MD5

    1896946f89613ba6045d36e09aa7760f

  • SHA1

    efc69f195ed0ace8d1c10263f88cd8f4f753cb40

  • SHA256

    08f230eb649a5bf7e75066f905843fb71c7cafd15cd08b44c8f1b08f90e23fe6

  • SHA512

    75a67fb5c8b30a0afc901dce706a4d50e6c3e08f1d1c2d3691bed8b6ecee52ea0fd56144a254de7883877827e4b6dba16dcc86b14b4609f308735252af163a85

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 D91345A2 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 5 files for free decryption. The total size of files must be less than 10Mb (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
  • 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\08f230eb649a5bf7e75066f905843fb71c7cafd15cd08b44c8f1b08f90e23fe6.exe
    "C:\Users\Admin\AppData\Local\Temp\08f230eb649a5bf7e75066f905843fb71c7cafd15cd08b44c8f1b08f90e23fe6.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:3680
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3704
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1824
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3924
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3948
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3812
        • 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:776
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3596
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1144

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            8b89af0c86846f4c5dcb08113776cc26

            SHA1

            5c81878b59e6538541d69d92272b4db78194997a

            SHA256

            99aa3074a889d114d6a7f05dd9486d4d70ac13a14b0393498772594c14acff00

            SHA512

            292c2e8253b7f0b8cd3640e4b53805dd789f560e965d2ad2a8d4c9fc2c2d6f7efb43789155a2a6cc649a86e748b40856116da25aaa25c6e4cde995b9885a6f87

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

            8b89af0c86846f4c5dcb08113776cc26

            SHA1

            5c81878b59e6538541d69d92272b4db78194997a

            SHA256

            99aa3074a889d114d6a7f05dd9486d4d70ac13a14b0393498772594c14acff00

            SHA512

            292c2e8253b7f0b8cd3640e4b53805dd789f560e965d2ad2a8d4c9fc2c2d6f7efb43789155a2a6cc649a86e748b40856116da25aaa25c6e4cde995b9885a6f87

            Download Submit