Overview

overview

10

Static

static

2023-01-18...is.exe

windows7-x64

10

2023-01-18...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2023 09:17

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General

  • Target

    2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_crysis.exe

  • Size

    92KB

  • MD5

    58402f0f41e3bfecbea9ca1bcc0f0c2b

  • SHA1

    0a2b11df94790e1121c17e350eb846a236e0fbcf

  • SHA256

    276727bfacdeba0ba864fd6ccecab5fd0f244576dc503d7cf148a4deb90fc136

  • SHA512

    8155d0a3364ea067260ba9ad432e126b1da33a2c4c1c5f585112851c5765363cd6cc426263ef430b559e9b35eea938e19bf7cc2e50e6a6c356bba030664f9123

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ALTroZbj0zTzn5W9qN9PI1fFznJGf0yG:Qw+asqN5aW/hLlTroZUzTz5W9qrI1JIH

Score
10/10
dharmapersistenceransomwarespywarestealer

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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    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). Likely ransomware behaviour.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-01-18_58402f0f41e3bfecbea9ca1bcc0f0c2b_crysis.exe"
    1⤵
    • Modifies extensions of user files
    • 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:1576
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1244
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1756
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:472
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1440
        • 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:1916
        • 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:1600
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1508

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

        7KB

        MD5

        2193d58923f779f24cad33a2ba0def1a

        SHA1

        9e89874bfe8ea2cfbf07cd868713f1ed3021dc6c

        SHA256

        e89ff55b71079a2f58fa185da7b1e8199b93f80ee1476cd2e1579319f04ad025

        SHA512

        7d3e898dec52f68706fe1ff041a74e9c84cecb793c5b835facc84742aa018299bb6a125ca56441fc0281e634c677f126c25002bf028d920f5eb5fc626a2bcda7

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      • memory/472-59-0x0000000000000000-mapping.dmp

        Download

      • memory/748-55-0x0000000000000000-mapping.dmp

        Download

      • memory/1244-56-0x0000000000000000-mapping.dmp

        Download

      • memory/1316-58-0x0000000000000000-mapping.dmp

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      • memory/1440-60-0x0000000000000000-mapping.dmp

        Download

      • memory/1576-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1600-62-0x0000000000000000-mapping.dmp

        Download

      • memory/1756-57-0x0000000000000000-mapping.dmp

        Download

      • memory/1916-61-0x0000000000000000-mapping.dmp

        Download