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Overview

overview

10

Static

static

3

RansomWin3...pz.exe

windows10-1703-x64

10

Resubmissions

05/02/2025, 10:39

250205-mp5e7asphz 10

22/06/2024, 21:31

240622-1day4avdlf 10

22/06/2024, 18:34

240622-w77gyatbmp 10

22/06/2024, 16:29

240622-tzbn7athrg 10

Analysis

  • max time kernel
    155s
  • max time network
    139s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22/06/2024, 21:31

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General

  • Target

    RansomWin32.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:\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 (442) files with added filename extension

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

    ransomware
  • Drops startup file 6 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
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 51 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\RansomWin32.Wadhrama!pz.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomWin32.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:5032
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:6088
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1520
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6052
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6040
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:8008
        • 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:7864
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:7912
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:6636
          • C:\Windows\system32\werfault.exe
            werfault.exe /h /shared Global\63c9efa496254ba4a8a09d71c8f28db4 /t 8152 /p 7912
            1⤵
              PID:7236
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\FILES ENCRYPTED.txt
              1⤵
              • Suspicious use of FindShellTrayWindow
              PID:4820
            • C:\Windows\system32\taskmgr.exe
              "C:\Windows\system32\taskmgr.exe" /4
              1⤵
              • Drops startup file
              • Drops file in Windows directory
              • Checks SCSI registry key(s)
              • Checks processor information in registry
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:5848

            Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-78D11328.[[email protected]].BOMBO
              Filesize

              3.2MB

              MD5

              32d489cb3d4996eb047b1451644f1d6f

              SHA1

              f01708322cd9235f01c454bb2d9535450b5bffca

              SHA256

              8493ca01a0563b6957bb3adf24ac73294141cb3f12d5b945594ac36d3adc82fd

              SHA512

              2b8db7a274c8fd6465892e69d557d69b1e0aeaac033ef670f8897c9e19ba161cf93a597b8f1a3bdc25ca00b81dd9f8e666d886b4b818b4e6f0b707d8c237ae59

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

              7KB

              MD5

              900f4d80d9979d680e4a1b7ecea122ac

              SHA1

              846fb6133013c681851c6d2c9557b5dfdef54674

              SHA256

              3e737d0b44f93c27f5257e859078118dfa1751095602984296ccf4429535ead1

              SHA512

              18c134ccc4dd1b64915ed958bf9afc263983323f139cc1f931895500f592adf0e8375e05cd3acd8d0f942b96fc48218f4f1d1425b616fce59a2a12c131b114a5

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            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\RansomWin32.Wadhrama!pz.exe
              Filesize

              92KB

              MD5

              56ba37144bd63d39f23d25dae471054e

              SHA1

              088e2aff607981dfe5249ce58121ceae0d1db577

              SHA256

              307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3

              SHA512

              6e086bea3389412f6a9fa11e2caa2887db5128c2ad1030685e6841d7d199b63c6d9a76fb9d1ed9116afd851485501843f72af8366537a8283de2f9ab7f3d56f0

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            • C:\Users\Admin\Desktop\FILES ENCRYPTED.txt
              Filesize

              186B

              MD5

              f35b4642a236f85db1ba463d3a963456

              SHA1

              be582d9b5bf5c541762a6e640ec1a7b12532caba

              SHA256

              fc601390d8bc19ac881314b8f18ce320dde6d2c306080021b804106bc7cac409

              SHA512

              a0c84412425f7f5bb120bec68b2920fb1177cc3c9630c32881b2bf83ed5926492a1801536f5a57d1fa0fbbb09ced216a518ae4e49395e13e33245792ec48b5a7

              Download Submit