Overview

overview

10

Static

static

10

2024-06-13...ma.exe

windows7-x64

10

2024-06-13...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 00:51

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General

  • Target

    2024-06-13_ba15a4bcba7cb7bb592ab25c57d22e3c_crysis_dharma.exe

  • Size

    92KB

  • MD5

    ba15a4bcba7cb7bb592ab25c57d22e3c

  • SHA1

    ce08d986b77896e7cb0381be64fd1a7b984fdfc1

  • SHA256

    9f73e43c5dcee249b3fc42731486cf8dbb73b44b06628b34b1303604db2dc658

  • SHA512

    12dd233b763f2e76fa7a498ad15040f138ffd41cd8b83499538c049f53a572fc8d164b8e8a3886d4ae5544883c7e2979d240c0a08dfa4beede51eb834f2ab818

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4A34p7QVPcQGj4O+svrXA2Id+ZCFy5N/:ww+asqN5aW/hSF46qjp+svc2M+l

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
We downloaded to our servers and encrypted all your databases and personal information! If you do not write to us within 24 hours, we will start publishing and selling your data on the darknet on hacker sites and offer the information to your competitors email us: [email protected] YOUR ID If you haven't heard back within 24 hours, write to this email: [email protected] IMPORTANT INFORMATION! Keep in mind that once your data appears on our leak site,it could be bought by your competitors at any second, so don't hesitate for a long time.The sooner you pay the ransom, the sooner your company will be safe.. Guarantee:If we don't provide you with a decryptor or delete your data after you pay,no one will pay us in the future. We value our reputation. Guarantee key:To prove that the decryption key exists, we can test the file (not the database and backup) for free. Do not try to decrypt your data using third party software, it may cause permanent data loss. Don't go to recovery companies - they are essentially just middlemen.Decryption of your files with the help of third parties may cause increased price (they add their fee to our) we're the only ones who have the decryption keys.

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 (311) 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\2024-06-13_ba15a4bcba7cb7bb592ab25c57d22e3c_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-13_ba15a4bcba7cb7bb592ab25c57d22e3c_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:2880
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2536
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2044
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2816
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2492
        • 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:2476
        • 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:2360
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2544

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-1189DF04.[[email protected]].lock
        Filesize

        24.4MB

        MD5

        dc6690a4bed88451eed00d511c1bdba7

        SHA1

        496d029044eaf07b98b58f05690e70914551cd2e

        SHA256

        a21005c05f34397477c7f9e01c8d7c258418b964d2bbe8527fa1a3572703245b

        SHA512

        a344eae5d54de36db0ec6a9d9cb6a7a406dc88ba4f994f730889218bae7c56118a583f3e079c25c76360542c02053eb54c5091b19b77df89189e2fba7808bde6

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

        7KB

        MD5

        8ee57b4419f885e6a7a5864225765490

        SHA1

        70b580c9f04df332d7be77e5c56e3879e07d5931

        SHA256

        1a50613f300f0666198c73944defea1de818f5341b462f86b46e1b5032c30290

        SHA512

        95ded7487ec753df91dd8d386c0d0dbc925a82a67fff3dbff6b6e32f9ac45af1487676ea317088cc6dbc2748ae9ebf4c825ec7384f776c16564e483edee8455e

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      • memory/2476-20197-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download