Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 17:21

General

  • Target

    2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.exe

  • Size

    92KB

  • MD5

    32e3001eb783b182de6b45e5f729d3ba

  • SHA1

    896a8963fb57c10d30c05b56465401babe48ff0b

  • SHA256

    2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d

  • SHA512

    27572a35b5f21e5217012b93ebe03e59d5dfeea6bd2446316d2e74230b961e6378ae700cd4d78b0033e516adc9f494e8520c01170f74a401204cc84337a92e65

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Ax5ALyqEIxS6CRxVcFuVWZp17i:Qw+asqN5aW/hLL5LqrxSbRYE

Malware Config

Extracted

Path

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

Ransom Note
We downloaded to our servers and encrypted all your databases and personal information! If you do not write to us within 24 hours, we will start publishing and selling your data on the darknet on hacker sites and offer the information to your competitors email us: decoderdata@onionmail.org YOUR ID If you haven't heard back within 24 hours, write to this email: digitalbro@msgsafe.io IMPORTANT INFORMATION! Keep in mind that once your data appears on our leak site,it could be bought by your competitors at any second, so don't hesitate for a long time.The sooner you pay the ransom, the sooner your company will be safe.. Guarantee:If we don't provide you with a decryptor or delete your data after you pay,no one will pay us in the future. We value our reputation. Guarantee key:To prove that the decryption key exists, we can test the file (not the database and backup) for free. Do not try to decrypt your data using third party software, it may cause permanent data loss. Don't go to recovery companies - they are essentially just middlemen.Decryption of your files with the help of third parties may cause increased price (they add their fee to our) we're the only ones who have the decryption keys.
Emails

decoderdata@onionmail.org

digitalbro@msgsafe.io

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (311) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • 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.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • 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).

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.exe
    "C:\Users\Admin\AppData\Local\Temp\2210baa7b596879b413965c17f9f33dbf698ac183b2b82329d397c73dee5fc3d.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:2924
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2492
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2700
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3484
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3884
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2628
        • 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:3668
        • 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:3784
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1688

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      1
      T1005

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-AC112451.[decoderdata@onionmail.org].2023
        Filesize

        23.5MB

        MD5

        aa43b134e8b82a5b789a7456199cb154

        SHA1

        6e14d65a59889a4d1caa2097f12c3a4abd61d2b4

        SHA256

        19c3e372a13be804e87f71760d3ba1234cc0cb47c234a5c017b9a4cbf0b4ee8e

        SHA512

        f4e08afc9811860b03a977b14a2d46dac7273e537dcef4e1b68e08722e7cca9422fcc65695b5e2bd839e25fefd7590d4940231d043ed9b098ddd4de514212125

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

        7KB

        MD5

        8576e5f842d28cebec3367105e487795

        SHA1

        05d3298ff2b51de3ea33a047fef28034c7db6c5e

        SHA256

        206fb0881fe0ba6d0ee5dc77e07fbb6b52c48320d2ba684123da6cdc78091b8b

        SHA512

        213acac51e64cbc94a2f994398adc8f855e2ecb250261ea109679f5e6cb006fb4b8834d9633312ba83accc8e3143d3fcfbe419e0d906cee16704230a9069162f

      • memory/3668-20281-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp
        Filesize

        64KB