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
    149s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 14:40

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General

  • Target

    2024-06-11_f0ab6743349f3ca9efc882a705ae09e8_crysis_dharma.exe

  • Size

    92KB

  • MD5

    f0ab6743349f3ca9efc882a705ae09e8

  • SHA1

    826e22f83d4ca23288dcf37994446c5a090edaf6

  • SHA256

    0d341fcd44494bfa646ca60d3a88d7f8b42f7a7702c36fc7901efe7dd0535da8

  • SHA512

    1ad9c28afbe776699c1dc83041f5a2084ccee197268eb073d57effc123ba2c1ec51e21da829c41a6a9b71034101e1c23df072766c16c72dcccd40755720d57d2

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4Auj5+JQHukINIrL3UxHcLL0zbTAw7Nh:ww+asqN5aW/hSI/H5INInUxH4IzP1J

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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_f0ab6743349f3ca9efc882a705ae09e8_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_f0ab6743349f3ca9efc882a705ae09e8_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:4752
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4400
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4284
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:6488
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4416
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:5496
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5560
        • 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:5276
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4808
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:7148

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-33973E8E.[[email protected]].ROGER
            Filesize

            2.7MB

            MD5

            f0d6aba235ddda65dab536005e3e8955

            SHA1

            d4bf43b0410dd30448bd5621d2ace922745ed896

            SHA256

            559178dfd1567ab7d8abd32b85939540c42c970b1734387fe73c21922d9b5f95

            SHA512

            c33863eb0769d4c20f4a4af331b0cd6b6927813a5895c0c2fd398676a8687db709d9774b92612987c24fa4e5fe64dd8c8c23f7d59ceb7b5ace5e85daf9026784

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          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            Filesize

            7KB

            MD5

            5f4c682a75ea71b2448e97c1de4907e2

            SHA1

            d258e3cdfe21e0a09400380133229d331880a2fb

            SHA256

            09e4bd57859450d1460025a7d729c698a01ab92bf63aa71dff6e03ccf4cb1705

            SHA512

            bf0f7f60440bd8e724d1d780fdb237c63224aac6f783ce50d7ec3b7fab87f0c476c9a06c5f0264b66a80687fe8cbf071620b2e281f71e36c83b29c9d4e7f8627

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