Overview

overview

10

Static

static

10

2024-02-13...ma.exe

windows7-x64

10

2024-02-13...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-02-2024 04:40

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2024-02-13_187085f60a15d78358d268cf183367e6_crysis_dharma.exe

  • Size

    92KB

  • MD5

    187085f60a15d78358d268cf183367e6

  • SHA1

    1e13b0fc5b939e8083963abffda959c33475d161

  • SHA256

    d223d35d360566205c14a9175d5856a63adaf7464c728526b22baee6e9388018

  • SHA512

    52d003c0c257646ae15341f740a4bb5aea2445f796957b8fd7abaa19b0ca612bf2f2fcdf34adc99bfb820e2d6569a0dbb7f7bf0842b6fc6ea534e72c0d816ed9

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AOHYncfbfTLY+7L+v7/Nthwydlfssi:Qw+asqN5aW/hL+YnGbLY+GzPqyd5

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
z1n All your files have been encrypted! Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] We strongly recommend that you do not use the services of intermediaries and first check the prices and conditions directly with us. The use of intermediaries may involve risks such as: -Overcharging: Intermediaries may charge inflated prices, resulting in improper additional costs to you. -Unjustified debit: There is a risk that your money may be stolen by intermediaries for personal use and they may claim that we did it. -Rejection of the transaction and termination of communication: Intermediaries may refuse to cooperate for personal reasons, which may result in termination of communication and make it difficult to resolve issues. We understand that data loss can be a critical issue, and we are proud to provide you with encrypted data recovery services. We strive to provide you with the highest level of confidence in our abilities and offer the following guarantees: ---Recovery demo: We provide the ability to decrypt up to three files up to 5 MB in size on a demo basis. Please note that these files should not contain important and critical data. Demo recovery is intended to demonstrate our skills and capabilities. ---Guaranteed Quality: We promise that when we undertake your data recovery, we will work with the utmost professionalism and attention to detail to ensure the best possible results. We use advanced technology and techniques to maximize the likelihood of a successful recovery. ---Transparent communication: Our team is always available to answer your questions and provide you with up-to-date information about the data recovery process. We appreciate your participation and feedback. 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 (499) files with added filename extension

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

    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).

  • 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
  • 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\2024-02-13_187085f60a15d78358d268cf183367e6_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-13_187085f60a15d78358d268cf183367e6_crysis_dharma.exe"
    1⤵
    • 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:1312
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2644
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4688
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8188
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:7632
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2632
        • 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:1396
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:8296
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:6116

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-BB89F1D7.[[email protected]].z1n
            Filesize

            2.9MB

            MD5

            d0315001188ade5f148a7a0c3253fe4c

            SHA1

            50e4bdac5bbe01c58e32d93b228fdd770527a706

            SHA256

            5074e0a657da964038bebe2bc3bea61edc77d6cff67dfada401e3f81214e4c03

            SHA512

            bce70179158753aa219ed15cbb8be038e9713970f039faac41fc8112eeeccb9a6d535c1bf849c8f4ae16a70e12bdf97ee786ec9cbc956ed42b66e1d8793de2ef

            Download Submit

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

            3KB

            MD5

            48db06ff2b8c7b29e3b81709ebf5084c

            SHA1

            56664f7a2b1751fe0e70616e521e487c75fc33c2

            SHA256

            a963cd201e05f2fbad5e6aedbd64b6bf3a96391e381ee7cdc76392088d15d8b1

            SHA512

            aeca65506a34d3964d6ff60d65d43e69c21324b0f2f13225e81384bfc62486862ecb66fda7be2cab038d2cd6b39e6853aa898947546efd0e8cc5e188a368de8c

            Download Submit