Overview

overview

10

Static

static

3

553532c3bc...2d.exe

windows7-x64

10

Resubmissions

14/02/2024, 03:46

240214-ebskgagb2t10

14/02/2024, 03:40

240214-d8m6kshc4210

14/02/2024, 03:37

240214-d6vgwafh5v10

11/09/2020, 08:09

200911-rexcktjp1n10

Analysis

  • max time kernel
    251s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 03:46

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.exe
  • Size 92KB
  • Sample240214-ebskgagb2t
  • SHA256 553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dharmapersistenceransomwarespywarestealer

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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (310) 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 7 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\553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.exe
    "C:\Users\Admin\AppData\Local\Temp\553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.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:3036
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2120
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2804
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3856
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3680
        • 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:3172
        • 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:3940
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2276
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x4e4
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4064
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\FILES ENCRYPTED.txt
        1⤵
          PID:1648

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              OWOW64WW.cab.id-B103DB0C.[[email protected]].bmd
              • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-B103DB0C.[[email protected]].bmd
              • Size 23.5MB
              • SHA256 6c5313280adde56f87a4546d83f0797dd7dce1bfcf651a127682abe243ebf167
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Info.hta
              • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
              • Size 7KB
              • SHA256 d6cd25bbefe9c09318564921f68bab405effde429ec00059af10f4a3417fddb9
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              FILES ENCRYPTED.txt
              • Path C:\Users\Public\Desktop\FILES ENCRYPTED.txt
              • Size 234B
              • SHA256 9d8d5797eb18ddee240b754ddb4fc5cca1cfac0068c963a6ccbed931e507e42c
              • MD5 SHA1 SHA512
              Submit Download