Overview

overview

10

Static

static

1f9858eefa...91.exe

windows7_x64

10

1f9858eefa...91.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294211s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    06-03-2022 00:04

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General

  • Target

    1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991.exe

  • Size

    92KB

  • MD5

    bd3b686c6f9ef32f14dbfa7d5abed9ff

  • SHA1

    a21e4f2fac9379bcc66f62375c9f2b70ae3b09e0

  • SHA256

    1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991

  • SHA512

    8568a619a8a88b4db903070baaded0d10de7b0f2e8949e769276c2c757380dd21a09084c03b49bb92c624b938a16b035e6123add9941c845b5bcefc353cc8add

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 4 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\1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991.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:1752
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:960
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1820
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1096
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:560
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1696
        • 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:888
        • 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:1260
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1188

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

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

        b89fc4c0ecf9e7b10ff7b910883e3af8

        SHA1

        5039d466482ee31355dee7e605622059b250f712

        SHA256

        2166829e64f0ace7c10cc208ba3843bedc8dc23fa8a2bef8ee632341233e1f3e

        SHA512

        e324dee3bd74db4742052f23539309dcdea9cd5ef560080f934bd6ffdd0e003698d3df84a60b80de05f333a90aa8bedadf949b5f612e9e2415e0a33eae3526bd

        Download Submit

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

        b89fc4c0ecf9e7b10ff7b910883e3af8

        SHA1

        5039d466482ee31355dee7e605622059b250f712

        SHA256

        2166829e64f0ace7c10cc208ba3843bedc8dc23fa8a2bef8ee632341233e1f3e

        SHA512

        e324dee3bd74db4742052f23539309dcdea9cd5ef560080f934bd6ffdd0e003698d3df84a60b80de05f333a90aa8bedadf949b5f612e9e2415e0a33eae3526bd

        Download Submit

      • memory/888-55-0x000007FEFC321000-0x000007FEFC323000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1752-54-0x0000000076891000-0x0000000076893000-memory.dmp

        Filesize

        8KB

        Download