Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2025, 11:35

General

  • Target

    2025-03-12_7e030a721c095a68123d26fb92c70ea8_dharma.exe

  • Size

    92KB

  • MD5

    7e030a721c095a68123d26fb92c70ea8

  • SHA1

    22a89ac8d08b7ff16b2eaf794a6f47007177a1d3

  • SHA256

    4c78ef8799f4f76d29d2867a67f91ea8b31c2105913ad63f69be40c5eceb8fe5

  • SHA512

    67e251cbc8e0a78a2e403fd950401f155700ad2f9fbcf4955bc88a0f7c19b022a6328a9bb7dbcabd69f721331c16094b8568e911074c87239f881e1c46a9ab03

  • SSDEEP

    1536:QBwl+aX5s69pPlwm4yxY9S4AmB2/2T1ZqJQ4wDrObcO57jfA3Q:aQ+qs69pamfxLIxPKuvObJMQ

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] 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.

  • Dharma family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (322) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 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\2025-03-12_7e030a721c095a68123d26fb92c70ea8_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-12_7e030a721c095a68123d26fb92c70ea8_dharma.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2964
        • 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:600
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1396
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1644
        • 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:1540
        • 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:1156
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2604

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\icudtl.dat.id-3C483ABA.[[email protected]].zphs

        Filesize

        10.7MB

        MD5

        50e950ef329be50eeec9dbccf7e839a7

        SHA1

        de107a97351480feb88f9a26624e75cc80646d40

        SHA256

        a2c6c12a305d62535c7727471964e4e17ac04205d7fed4c1a6bb0e16ade919f4

        SHA512

        0b53f7828e3821cceca3da26ac57f72bb8f2fb9e32a02a8e5d3c90f41edc536a8b71acad8712e9af305d6e9ce0f7a9dfa194cf65044b4fe2d7494436d348e43f

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

        Filesize

        7KB

        MD5

        32edf1eb08f6cf32c975bbee707f7bea

        SHA1

        bbd54248e096a39eff751c7a901202c5b6a3a22a

        SHA256

        3db1332af93bb9a492626774b22837c54e5ae47fcdac5c13d4bb3b7317be5b7f

        SHA512

        2259c40141e21465b484475f88550fa760473ceb19fe5f6330138067a2c0e2f621c0e17d80fbe4437d62cc0cdf2e183c94852813dc52b8007a07945babaf7e51