Overview

overview

10

Static

static

10

04035f6fdd...f9.exe

windows7-x64

10

0ed3c87ce3...07.exe

windows7-x64

4

1ce291b079...c9.exe

windows7-x64

7

30e66f95b4...49.exe

windows7-x64

9

335160bee7...cf.exe

windows7-x64

10

3d7dd597a4...67.exe

windows7-x64

1

42dcc46f9d...46.exe

windows7-x64

9

4fcaca23e9...f2.exe

windows7-x64

10

5994300c1c...a7.exe

windows7-x64

10

627a5569d4...e3.exe

windows7-x64

7

63fa775052...2f.exe

windows7-x64

1

645b8dfe73...79.exe

windows7-x64

1

64862ec699...1b.exe

windows7-x64

10

741d75a02d...5e.exe

windows7-x64

10

7554a27519...2d.exe

windows7-x64

7

80bf2731a8...e4.exe

windows7-x64

10

8cc9f83e2e...92.exe

windows7-x64

7

9c80067790...95.exe

windows7-x64

9

de1793d8db...df.exe

windows7-x64

3

de6da70478...6e.exe

windows7-x64

1

dfef52ffde...fe.exe

windows7-x64

7

f3c6dac2d2...0f.exe

windows7-x64

10

f682e063bc...40.exe

windows7-x64

10

f7537bf47c...0b.exe

windows7-x64

10

f89ee06ed2...6f.exe

windows7-x64

10

Resubmissions

18-04-2024 18:50

240418-xha8wabh29 10

01-01-2024 15:12

240101-slnwxsfeh4 10

Analysis

  • max time kernel
    1800s
  • max time network
    1571s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 18:50

Sharing

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General

  • Target

    4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2.exe

  • Size

    4.7MB

  • MD5

    e86893b92eca6e8dfbcfb9bbc08ee973

  • SHA1

    acaf1392ea344a074cd4dd47faa6a7e1530747f3

  • SHA256

    4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2

  • SHA512

    24f258fb7f088b9c139ef83dd90c63248eee3e85b871841406765386dad20e48d2b8cdd19a0e165e10ff5eeb4494bafd3c84989f3f73112c1273399f7b23f635

  • SSDEEP

    98304:0s7ZE5JsxXe8NpqBjkZxHJMAM0hsEfIOC34SSPl0V1Eo7N3grvl0iqN+XW0FUlK0:0srXe8NEMMAZhsXOCYe3P7NuI4WHlK8

Score
10/10
dharmapersistenceransomwarespywarestealervmprotect

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message 6DD7E5DC In case of no answer in 24 hours write us to theese e-mails: [email protected] You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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
  • Renames multiple (339) 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
  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • 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 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
  • 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\4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2.exe
    "C:\Users\Admin\AppData\Local\Temp\4fcaca23e9cfb7e5448f41bb520c9c35c68fd795ac6b3707d0c64cf92738acf2.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:2868
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2572
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3032
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1272
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2212
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2376
        • 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:3672
        • 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:3724
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:572

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.msi.id-6DD7E5DC.[[email protected]].vanss
        Filesize

        3.6MB

        MD5

        060138a9ced892bdaaf11dc4d889c163

        SHA1

        daba48a347ceb3b3129fbbc848b7636a994f4ca7

        SHA256

        c16057a400afef8fb8c5f23a96d62123007691e7b3dbdb7005b44552cfb72763

        SHA512

        91dec2a48c42716d393aa59300d52df1dcbfc999d10d4664152deb0534b09a533040de9bc5bb91d50bbaf681deea24656e24b1784ce9b4035bf5a2fd7a837343

        Download Submit

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

        13KB

        MD5

        a353fe744a41f26f400321b39b4d251e

        SHA1

        393f16c0666a15843311eaddcdc201c76403333e

        SHA256

        0996ee18f57819ea3de62b01914ead4e33270d352650d1786c04571fd1360267

        SHA512

        587be37694875c03571d41b97640ef8d417c18252e11abe1dfa56a246009d4ef424d074e2b8f8f68505caaac44077438dcf17a230cbf1c7847b1f5f97b3a1acc

        Download Submit

      • memory/2868-0-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2868-2-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2868-4-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2868-5-0x0000000000400000-0x0000000000B90000-memory.dmp

        Filesize

        7.6MB

        Download

      • memory/2868-7-0x00000000777A0000-0x00000000777A1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2868-20258-0x0000000000400000-0x0000000000B90000-memory.dmp

        Filesize

        7.6MB

        Download

      • memory/3672-20256-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download