Overview

overview

10

Static

static

798fd3d13f...63.exe

windows7_x64

10

798fd3d13f...63.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15-04-2022 06:50

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General

  • Target

    798fd3d13fa63ca5d0d89c1a7dc1027f17f55df19cef5c28faa3d6d5a6c53063.exe

  • Size

    144KB

  • MD5

    5e06ad6cc412dd2910f3732b0dc76ba8

  • SHA1

    9b3cc7fde08fe31170c9f964a3f837e2c54b9243

  • SHA256

    798fd3d13fa63ca5d0d89c1a7dc1027f17f55df19cef5c28faa3d6d5a6c53063

  • SHA512

    67c5df390e2e0326d22e682b88a1c5c98b5b5df7ee45c7880f5ee8e3733a8e11693fad613a67f7af5674387b5d956da88a86217b6fd43a8ef8fb5b76416fe77c

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 Telegram:@pexdata - our telegram contact or http://pexdatax.com/ or email [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.
URLs

http://pexdatax.com/

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\798fd3d13fa63ca5d0d89c1a7dc1027f17f55df19cef5c28faa3d6d5a6c53063.exe
    "C:\Users\Admin\AppData\Local\Temp\798fd3d13fa63ca5d0d89c1a7dc1027f17f55df19cef5c28faa3d6d5a6c53063.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:880
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1788
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:564
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:588
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:572
        • 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:1692
        • 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:112
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1740

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

        7KB

        MD5

        0ae294232f1474c428986d5a0962522c

        SHA1

        6a5e757cf045b92fc05991988f979f93b55d504f

        SHA256

        bc542efa9a94b8a3a0d3f0e1d6c66a2bc5a2c48981dad2fb915a3579fe43451a

        SHA512

        f18d3dd6f375aa7976d12876fc80067d8cca241b43b51f8d4fb1bd0dd67d2cf571682d47855bc86d16b1624060364fc301aac15efcb06f511ce44cd2f22b8d7b

        Download Submit

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

        7KB

        MD5

        0ae294232f1474c428986d5a0962522c

        SHA1

        6a5e757cf045b92fc05991988f979f93b55d504f

        SHA256

        bc542efa9a94b8a3a0d3f0e1d6c66a2bc5a2c48981dad2fb915a3579fe43451a

        SHA512

        f18d3dd6f375aa7976d12876fc80067d8cca241b43b51f8d4fb1bd0dd67d2cf571682d47855bc86d16b1624060364fc301aac15efcb06f511ce44cd2f22b8d7b

        Download Submit

      • memory/112-67-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp

        Filesize

        8KB

        Download

      • memory/112-66-0x0000000000000000-mapping.dmp

        Download

      • memory/564-60-0x0000000000000000-mapping.dmp

        Download

      • memory/572-64-0x0000000000000000-mapping.dmp

        Download

      • memory/588-63-0x0000000000000000-mapping.dmp

        Download

      • memory/880-57-0x000000000318B000-0x000000000319E000-memory.dmp

        Filesize

        76KB

        Download

      • memory/880-61-0x0000000000400000-0x0000000002FAF000-memory.dmp

        Filesize

        43.7MB

        Download

      • memory/880-54-0x000000000318B000-0x000000000319E000-memory.dmp

        Filesize

        76KB

        Download

      • memory/880-58-0x0000000000220000-0x0000000000239000-memory.dmp

        Filesize

        100KB

        Download

      • memory/880-55-0x0000000075711000-0x0000000075713000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1692-65-0x0000000000000000-mapping.dmp

        Download

      • memory/1788-59-0x0000000000000000-mapping.dmp

        Download

      • memory/1928-56-0x0000000000000000-mapping.dmp

        Download

      • memory/1932-62-0x0000000000000000-mapping.dmp

        Download