Overview

overview

10

Static

static

10

16.exe

windows7-x64

10

16.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 02:42

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General

  • Target

    16.exe

  • Size

    92KB

  • MD5

    56ba37144bd63d39f23d25dae471054e

  • SHA1

    088e2aff607981dfe5249ce58121ceae0d1db577

  • SHA256

    307077d1a3fd2b53b94d88268e31b0b89b8c0c2ee9dbb46041d3e2395243f1b3

  • SHA512

    6e086bea3389412f6a9fa11e2caa2887db5128c2ad1030685e6841d7d199b63c6d9a76fb9d1ed9116afd851485501843f72af8366537a8283de2f9ab7f3d56f0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A40fMnvzbBb3b2wKbs1V3Mr:Qw+asqN5aW/hLdMvzbMlUK

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (315) files with added filename extension

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

    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).

  • Interacts with shadow copies 3 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
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\16.exe
    "C:\Users\Admin\AppData\Local\Temp\16.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2744
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2680
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1244
        • 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:1980
        • 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:2804
        • 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:2376
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1260

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-D9C9CD04.[[email protected]].BOMBO
        Filesize

        24.4MB

        MD5

        a4183bdc0b6ae2aee94a18921dab3bf6

        SHA1

        de30ea684b64219a26d3776cc1346ba1b44c5e08

        SHA256

        88713a920016859d7554984806d7b19496e5f603ed9122bc91612b71d23e5788

        SHA512

        5687711f1db3262d8c56cb0541d6e0fab135379f4ed9d141d29eba5fcba5e388338b75ab301baa48436adfabeb6bbec9cd278722abd6a142049efaa5df075b23

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

        7KB

        MD5

        cf38d710337952e6144b75833db66997

        SHA1

        fb4898c36e69b1f4f71e4cade3e3ad5da004e594

        SHA256

        37cb102a7a10c73d8d075eac66a7fc133ece70073d585dce0c6fbd3be90dc0d9

        SHA512

        accc3a53ed5d17da81bda06a125824fa224c6f4da8f864bc02cd91010b5cc33015de76396607715c45106af3715b3924d59b2e7f466ba0ab08354f440df4c301

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