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
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 09:24

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General

  • Target

    2024-06-11_547b898fd9069b311e9f6609455628ba_crysis_dharma.exe

  • Size

    92KB

  • MD5

    547b898fd9069b311e9f6609455628ba

  • SHA1

    36252e2d32179735c5404509c2368657ce073cdc

  • SHA256

    a005f87a5107747f1cdb2600463608c9612dbd5c8de99cf294bc586b72ce7ac0

  • SHA512

    de81cb5fef46e83484b5516c083af3de695685e993689f9a24d5861f9fd3a93bcca3bf0e7722142cc5b24d60db962afa5398026b8819ee00ef09f445eec13b15

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4Ab3ix6S2uZ5LlAQOpDs:ww+asqN5aW/hSZS09uZVlAQOV

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 (515) 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\2024-06-11_547b898fd9069b311e9f6609455628ba_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_547b898fd9069b311e9f6609455628ba_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:3892
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:6736
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:6000
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6016
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:7768
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4604
        • 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:1540
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4764
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:836

          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

          1
          T1112

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          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:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-76C54946.[[email protected]].get
            Filesize

            2.7MB

            MD5

            e86ed93b2c08700b5f87c5e87ba66067

            SHA1

            8b18e75a9c5271148650088cf9d4e760cd4a17dd

            SHA256

            f16f9f5245353deb96b7ab497f738cdcbc0747dd07034668583ce45b9802919e

            SHA512

            1fe285f00702943201325881342016281096ddd9922597032ebfbc94c5dbe9b106b6821131cbaa3599e152bfda592fbef9c949880b1e9de5e59c7be150acc4cf

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

            7KB

            MD5

            87b410ce57f817ef3419fc4c6be2c580

            SHA1

            14fe55badce6160e918737c60db49537fe6408d7

            SHA256

            d46f2ea248ef03ee1a3e0f7bab31c54388cdfe7279b6ffe90704811eb1e77a48

            SHA512

            bb7949daa6020c0e2485f3262562c72d5fd86fe0040eb8cd269e2f3190a6b46888bd147f5eb40980e278191ad28e3637b9499beb33162be313c3ed58f8e8e595

            Download Submit