Overview

overview

10

Static

static

payload.exe

windows7_x64

10

payload.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    39s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-01-2021 01:37

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General

  • Target

    payload.exe

  • Size

    92KB

  • MD5

    2db20e2fcd86d00388915088b18f99f2

  • SHA1

    3a321bf3980d08fe5754548f5aba7f1bdc967f10

  • SHA256

    40a837f93edb2531fe35733d725efb490c7b5199d031a6e087b5041aed6eea05

  • SHA512

    b9c179e2b5b82fa59018194e8ee8bb927dfd545c72772de6c98621a071650efa345e9bee0282caac95ccccce1371e440295f61a981d447d5ef699fd81e3d1450

Score
10/10
dharmapersistenceransomwarespyware

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 novclub@cock.li YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: novclub@protonmail.com 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.
Emails

novclub@cock.li

novclub@protonmail.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 1 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.

    spyware
  • 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\payload.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.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:1632
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1496
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1232
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1668
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1068
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:656
        • 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:1592
        • 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:1692
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1096

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        MD5

        5c4ef5af8e000509289c4b3d14d5f18f

        SHA1

        827752d0d457280762ae3f2537b90b7d42759dc1

        SHA256

        4ab3493fdb7fd1880b8a3da5613d4a380ea2865ada9651a4856722b1bd5f7f61

        SHA512

        e81d8c66ab4db38eac7be9e774656c9f741a9282b27cad4d8cb360526bdcc96a9c0d4f03b1a79d2c3942939222a84ded05212850108ffff225b648a108d13af6

        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        MD5

        5c4ef5af8e000509289c4b3d14d5f18f

        SHA1

        827752d0d457280762ae3f2537b90b7d42759dc1

        SHA256

        4ab3493fdb7fd1880b8a3da5613d4a380ea2865ada9651a4856722b1bd5f7f61

        SHA512

        e81d8c66ab4db38eac7be9e774656c9f741a9282b27cad4d8cb360526bdcc96a9c0d4f03b1a79d2c3942939222a84ded05212850108ffff225b648a108d13af6

        Download Submit
      • memory/656-8-0x0000000000000000-mapping.dmp
        Download
      • memory/1068-7-0x0000000000000000-mapping.dmp
        Download
      • memory/1232-4-0x0000000000000000-mapping.dmp
        Download
      • memory/1432-6-0x0000000000000000-mapping.dmp
        Download
      • memory/1496-3-0x0000000000000000-mapping.dmp
        Download
      • memory/1592-9-0x0000000000000000-mapping.dmp
        Download
      • memory/1632-2-0x0000000076341000-0x0000000076343000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1668-5-0x0000000000000000-mapping.dmp
        Download
      • memory/1692-10-0x0000000000000000-mapping.dmp
        Download
      • memory/1988-13-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp
        Filesize

        2.5MB

        Download