Overview

overview

10

Static

static

1f9858eefa...91.exe

windows7_x64

10

1f9858eefa...91.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • 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:\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 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9858eefa4438d1fd624892d7d923f79c5d980bc1f13db764e5996c10ab2991.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:3084
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:492
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1612
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3900
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1964
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4064
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:3004
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3052
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1956

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            6681ffd01e412e8647f8eb7513cabdf4

            SHA1

            7590759e81e40ea6c39ef343f357ae32982f5e8d

            SHA256

            934a468c8e8122c9560c492d22ea4d2ac6239628a14314a519f4ef64c053d951

            SHA512

            8e9f17309bcf450f1eb282eefae90bb5a0f177f0eedab3c6d1084347a220eaaa701e71b74b58e99cc5634c9398a892dc82402e0a0c8467e59acb561f1dc77b77

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

            6681ffd01e412e8647f8eb7513cabdf4

            SHA1

            7590759e81e40ea6c39ef343f357ae32982f5e8d

            SHA256

            934a468c8e8122c9560c492d22ea4d2ac6239628a14314a519f4ef64c053d951

            SHA512

            8e9f17309bcf450f1eb282eefae90bb5a0f177f0eedab3c6d1084347a220eaaa701e71b74b58e99cc5634c9398a892dc82402e0a0c8467e59acb561f1dc77b77

            Download Submit