Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 17:32

General

  • Target

    1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1.exe

  • Size

    92KB

  • MD5

    627c54e435c997f228937d70fa4efabe

  • SHA1

    de983ae81197370c1c0db019e47367ef0521163d

  • SHA256

    1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1

  • SHA512

    c827d16c316ba46e5ed73018a73dc99c2e62a0c809aeb986027444a1d5d53e4c3fcb955152debc30bc69c82621eeb6ec454d6add17e5b2875cf3d25e325f0466

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AYCKkjEvPSFd3tsEodcSDR:Qw+asqN5aW/hLKFPUJc

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.

  • Dharma family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (316) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1.exe
    "C:\Users\Admin\AppData\Local\Temp\1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1.exe"
    1⤵
    • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2808
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1152
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1568
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3588
        • 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:3968
        • 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:2200
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2052

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-D5EF85BE.[[email protected]].ROGER

        Filesize

        23.5MB

        MD5

        db7d1c8bdd5d289529a38b648b4fff65

        SHA1

        d556eaa35840499542410d9bac3cd08207ff2058

        SHA256

        d09e3529ff044c21044528545d992651cf8f5ef4dca06633f97427a6ac206b94

        SHA512

        c4bee57baac6a0fe0192afd115eeeaed129ec7b8f270c81787f183adf1fbb8426c50381f541c8a9f62fa23f16e12d5ad3c4e7712be9f68020917dcb8caa4927a

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

        Filesize

        7KB

        MD5

        3d0c61b1dc71e36897635f22cbfaa405

        SHA1

        e357927f05b1674431c3f1f1d1eb65422ecd3ce3

        SHA256

        7632015fc0cc0dddd4179b540a0656bc9720480e8843bacde16bbcc9fc44bc84

        SHA512

        3dd5a145f72e2dbb8bde710cb3af2c8aa9030a2de8b6e08eb8fce06a1cd69810e040fa704a4c0545b3cb7ae409831cd385d5e11986c754880e881d0b4e08a051