Overview

overview

10

Static

static

10

2024-06-11...ma.exe

windows7-x64

10

2024-06-11...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 00:43

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General

  • Target

    2024-06-11_c6e7557c9410d9e567f9c39843f7e393_crysis_dharma.exe

  • Size

    92KB

  • MD5

    c6e7557c9410d9e567f9c39843f7e393

  • SHA1

    c26d408c07db466b4c8883b8eb3446c98f19f8c1

  • SHA256

    b7fdcfadbe335a256dbe88321044768bf4d8c1da7afc67ff7ace127310289dde

  • SHA512

    8d29d84227b800e45649c7d344e4b5f5b80a3d2f0a59e963c4e26dc85f9b0518e2e78383a87d0a8bbc1c0c78e6ab9de5ea8002936a38d6e33e7b82a3da737b51

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4ACURxvunaBCgUvZ2Yqwt10U:ww+asqN5aW/hSsYxvjTGYyH

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (325) files with added filename extension

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

    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).

  • 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
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-11_c6e7557c9410d9e567f9c39843f7e393_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_c6e7557c9410d9e567f9c39843f7e393_crysis_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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2240
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2784
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2520
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2400
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3272
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2472
        • 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:2912
        • 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:836
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:536

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-E82C1F2F.[[email protected]].ROGER
        Filesize

        24.4MB

        MD5

        d4811266754be0c83cc63b29e78ed280

        SHA1

        cba84ddd3507a78ea1cbb3eafbcfea6370970508

        SHA256

        43d221ed7ebe12008b867228d995283195f8a75f0b54b3d8003f0641d28848e2

        SHA512

        17b582e56ea44d78ddb41cbba5e4be0fe9aa06f30270e02f2a76644083cd7d8ee3855fb2491477ed67ea387344e95ab95f94ba36c7a0bceef1fcde75bdac3e5f

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

        7KB

        MD5

        49a9bd87439c8b7ffc286bd609bc2b2c

        SHA1

        e5ad6e84ee4b24da1133846c270dab970cc4765d

        SHA256

        3005c913a6ebea0111a7c4717ebe67d7ca159f8e94b230a131a3cc7a151d42f0

        SHA512

        a5bcfdb8fb001f5ada328d2659d1d9969a5e152c668e7dbc83aade0f7065abc6854b916688032a655bb7059542f15a437ea4fa23fa1142bece6a7ed1f0c5dd89

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