Overview

overview

10

Static

static

3

Ransom;Win...pz.exe

windows10-1703-x64

10

Ransom;Win...pz.exe

windows10-2004-x64

10

Ransom;Win...pz.exe

windows11-21h2-x64

Analysis

  • max time kernel
    154s
  • max time network
    154s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 01:26

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General

  • Target

    Ransom;Win32.Wadhrama!pz.exe

  • Size

    92KB

  • MD5

    56ba37144bd63d39f23d25dae471054e

  • SHA1

    088e2aff607981dfe5249ce58121ceae0d1db577

  • SHA256

    307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3

  • SHA512

    6e086bea3389412f6a9fa11e2caa2887db5128c2ad1030685e6841d7d199b63c6d9a76fb9d1ed9116afd851485501843f72af8366537a8283de2f9ab7f3d56f0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A40fMnvzbBb3b2wKbs1V3Mr:Qw+asqN5aW/hLdMvzbMlUK

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (441) files with added filename extension

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

    ransomware
  • Drops startup file 8 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 3 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
  • 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\Ransom;Win32.Wadhrama!pz.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransom;Win32.Wadhrama!pz.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:3104
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3824
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5232
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8440
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:7448
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2788
        • 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:312
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:6600
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5784

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-B8DD694D.[[email protected]].BOMBO
            Filesize

            2.9MB

            MD5

            d2cd100bbdc286d7a2533ecdb84f8ca0

            SHA1

            9c10e9dbbd27b7d598565863e2d746371a5274e6

            SHA256

            61427e57eed9e5d79b369dd4671b43c09e99891de565ee18da0f5cddad255a2c

            SHA512

            79b61cd7f4e1bba3dcad1c134db8e66da4d21567cd9572027a00e833ec1601e783ad8db5e2da4b38d98282627e33c32c2be12d5e7414ab032d1b85a03bd72043

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

            7KB

            MD5

            53192dd0a82420a4423387b59f803992

            SHA1

            143e90b36b11571af74e8203b314adf81fef1d98

            SHA256

            146ec242357bb3837d981d490142363250f1e871c466a762591db7be72de7425

            SHA512

            8bc145a240ed75bb8163210b1d0a1bb96e4fc3f8358c9dac12f96eab0ce32a05b39036ebe84e6c03fdcae7790b5ad0750fa712e70b8b74e07de7134452764b28

            Download Submit