Overview

overview

10

Static

static

10

2024-06-11...ma.exe

windows7-x64

10

2024-06-11...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 14:25

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General

  • Target

    2024-06-11_15df1a27141d6b2a2d336915fce23fcd_crysis_dharma.exe

  • Size

    92KB

  • MD5

    15df1a27141d6b2a2d336915fce23fcd

  • SHA1

    a3ed11f833d0573e426c270c90a94949e6a2776c

  • SHA256

    567866d4d6135dbd34144ca45fcbb38d1fb873ccccf81c2c9992a4f046130693

  • SHA512

    1aca29449794acbb6ca5199de611a4a8bfa657c545ec1c943868b50e8dfc28f8f40c72b20467197672ffee487c71705f2eecdde3cf84a040d6e52b6523bcea04

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AAIGJ0iPsaHy86Zt62nzwpdVJ6nbQP:ww+asqN5aW/hSqIkPGZwpdVJ0

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
hunt 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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (316) 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 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\2024-06-11_15df1a27141d6b2a2d336915fce23fcd_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_15df1a27141d6b2a2d336915fce23fcd_crysis_dharma.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:1284
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2240
      • 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:2088
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1448
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2108
        • 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:3004
        • 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:1236
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3032

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Windows Management Instrumentation

      1
      T1047

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Resource Development

      Reconnaissance

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-7DFE4996.[[email protected]].hunt
        Filesize

        23.5MB

        MD5

        f8a921b23c9d25b5f6f13013b34d0637

        SHA1

        3666d98f4fdd89e070a0bfa7b307a96fb5916125

        SHA256

        2a62ecc91ec510487cbcc1ac12cf72643ff6aecfeec227fcc7d9bdbbf9d6cfc0

        SHA512

        2266847095c59f926baa07ed016bfdf65bb30b80607443ca8546e760a82ed74075f2c3b5053401b2b5b1344f2bd7b7dd777077e0d91c819c4e8cd8bfa6cab9aa

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

        3KB

        MD5

        878fddf41672cd15fd3d6bf199c4b481

        SHA1

        3beb41022251b42eb1607fd5e9f911ab671f1dfa

        SHA256

        84a3492e285554d38c8e03e836597473f02560b2341522db307915580215eeba

        SHA512

        f7f8b32c2075615c51d0cd8a94734ddb54549ce22e02c2949ffd3228abe75dd7620f4af94a6fb0a7bec77403a8fb2a828dfe17225052a287879b2efc46da054b

        Download Submit
      • memory/1236-20265-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp
        Filesize

        64KB

        Download