Overview

overview

10

Static

static

10

2024-06-12...ma.exe

windows7-x64

10

2024-06-12...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 14:48

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General

  • Target

    2024-06-12_add9f3110d6f2552bfa8e709f6237c2a_crysis_dharma.exe

  • Size

    92KB

  • MD5

    add9f3110d6f2552bfa8e709f6237c2a

  • SHA1

    e474a2298926610dc23d84b69078667fdf25bac5

  • SHA256

    3aecdb673dac4bfe59f908d132434f7f304acdb6b3724051a21af3f9af1260ec

  • SHA512

    6d7ea7949c8ebb1b5ffe013b67ef32f01793af76d453ed3fd5b7fd8e5660dc4bcb8df8d084c00d08d3e23fe4c2d6de115a0b970392ce47e1627af3159841f928

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AaotGG5Gq5XgH7id4NkzpvjNU4lm:ww+asqN5aW/hSFGKp5wbk4Nkzphvo

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 (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\2024-06-12_add9f3110d6f2552bfa8e709f6237c2a_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_add9f3110d6f2552bfa8e709f6237c2a_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:2072
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2696
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2836
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2420
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:468
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:768
        • 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:908
        • 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:2032
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1172

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-B8ED49DF.[[email protected]].nlb
        Filesize

        23.5MB

        MD5

        fd9627585de219b4e2fe6ed037748e47

        SHA1

        936a4fac02ec1276a3c126b44bbb0743aaf886b4

        SHA256

        6bdd08ad1b989f91f8a85d51adadd84a65529abf75a743a44c28048af03d28ba

        SHA512

        20c68cc70b4c839e6536c857a629440ae7a58c9ae13f1871262dff3461897a400b7ba9d942d4d79edded06bb175027ee6c51ae25a61618fe3aac3d08aa1cda0a

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

        7KB

        MD5

        91ca574b84f8d6ae7c734912a6b7e869

        SHA1

        071ecba32876b952404b6804b288ab1bca631282

        SHA256

        50418b8352ec40b56658d532e4dfd0fbdedcc8f80c197c00379c8269ccb8a95f

        SHA512

        3f198a416f6d4123345534183ba91c81209cb228c237f03a1516ea9eb2a9e0b6c2499ba499d313c860866a5c67f58cf34881fe617a0f3f04a27385057731027f

        Download Submit