Overview

overview

10

Static

static

40a837f93e...05.exe

windows7_x64

10

40a837f93e...05.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294210s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 15:36

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General

  • Target

    40a837f93edb2531fe35733d725efb490c7b5199d031a6e087b5041aed6eea05.exe

  • Size

    92KB

  • MD5

    2db20e2fcd86d00388915088b18f99f2

  • SHA1

    3a321bf3980d08fe5754548f5aba7f1bdc967f10

  • SHA256

    40a837f93edb2531fe35733d725efb490c7b5199d031a6e087b5041aed6eea05

  • SHA512

    b9c179e2b5b82fa59018194e8ee8bb927dfd545c72772de6c98621a071650efa345e9bee0282caac95ccccce1371e440295f61a981d447d5ef699fd81e3d1450

Score
10/10
dharmapersistenceransomwarespywarestealer

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 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.

    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\40a837f93edb2531fe35733d725efb490c7b5199d031a6e087b5041aed6eea05.exe
    "C:\Users\Admin\AppData\Local\Temp\40a837f93edb2531fe35733d725efb490c7b5199d031a6e087b5041aed6eea05.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:1124
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1644
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1444
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:828
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1272
        • 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:564
        • 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:1484
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1212

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

        6f3757a9ec5dec660acb6f799f3d463e

        SHA1

        5f12f63d7c478a98f234fb643f2fb1fecc82dbc0

        SHA256

        76bf44785e1d4667bfc141c0a096ba55c061d00e6d1803b2e83daebcc21971f1

        SHA512

        3722debc259a712f70ac9ce6f07e3260f0beee53e0d221b68162558931011ced6057eae680565bbc8ff3363a4bc5a9820b9d357a9a5f5d45e98dcd764d4e1fa5

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

        6f3757a9ec5dec660acb6f799f3d463e

        SHA1

        5f12f63d7c478a98f234fb643f2fb1fecc82dbc0

        SHA256

        76bf44785e1d4667bfc141c0a096ba55c061d00e6d1803b2e83daebcc21971f1

        SHA512

        3722debc259a712f70ac9ce6f07e3260f0beee53e0d221b68162558931011ced6057eae680565bbc8ff3363a4bc5a9820b9d357a9a5f5d45e98dcd764d4e1fa5

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      • memory/1124-54-0x0000000074FF1000-0x0000000074FF3000-memory.dmp

        Filesize

        8KB

        Download