Overview

overview

10

Static

static

10

2024-02-01...ma.exe

windows7-x64

10

2024-02-01...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 20:54

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General

  • Target

    2024-02-01_3af6e3ea9881172fb49b52af7f400377_crysis_dharma.exe

  • Size

    92KB

  • MD5

    3af6e3ea9881172fb49b52af7f400377

  • SHA1

    7a6351e349be60226331427298dd68f5065e0c6d

  • SHA256

    d05507fd5832ca897ad6e4963aca4d85e9ed264012776142eb94f14a162e2d69

  • SHA512

    ad6905baaa998fd18be3b631c83edd8149ba7b03d6f007f7d43f1ef1d76e029b4ddc35d7aec4887700b5251b57f1ac6097e9f0775dbac5fffda0adff5b3015d3

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AGuem4FIzW7roovH4jF:Qw+asqN5aW/hLAup0wuooAj

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
MIRROR 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: tpyrcedrorrim@tuta.io YOUR ID mirrorrorrim@cock.li 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.
Emails

tpyrcedrorrim@tuta.io

mirrorrorrim@cock.li

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 (312) 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\2024-02-01_3af6e3ea9881172fb49b52af7f400377_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-01_3af6e3ea9881172fb49b52af7f400377_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:1992
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:3056
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2060
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1120
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1388
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3880
        • 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:3100
        • 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:2300
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:616

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      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-F095E7A2.[tpyrcedrorrim@tuta.io].Mr
        Filesize

        14.6MB

        MD5

        9ae60ef4d6689191d8274f984c6e9203

        SHA1

        31404ca9a6ab695bbfe5ed28095503b0839ef478

        SHA256

        5da8c9b755126dec06541f9e0fba2825d95d648a9ebcdd1d6e2dfae99c6b19dc

        SHA512

        699a846b55b20279361fa154711f2d4455b98e17c5cc69da4ea81b52885bd7cf8d725fb99f313ebe6a793926525dc52321c074ca3bd8fd937e2ad626d151d26c

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

        3KB

        MD5

        b58e139871652d598e47e36ac1248a64

        SHA1

        cf68c5024fe72844e3e03219228e2c3f2629b418

        SHA256

        9a455c95bcd75a701d6988f939c6c4f435328e9ea09e52b0cfb72868bc92ec1e

        SHA512

        4c64a19a7ff442a745b124b14359276c07b611aa0ea818d9afb7e3b006249e01c60c5fb8a5966bd3dd6a99d0a3149a5a3cac808f3cab3df0913ccb9d3e8e223c

        Download Submit
      • memory/3100-20135-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp
        Filesize

        64KB

        Download