Overview

overview

10

Static

static

3

free robux...ox.exe

windows7-x64

free robux...ox.exe

windows10-2004-x64

Analysis

  • max time kernel
    317s
  • max time network
    322s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 05:14

Sharing

Copy URL
Twitter E-mail

Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    free robux for roblox.exe

  • Size

    1.0MB

  • MD5

    055d1462f66a350d9886542d4d79bc2b

  • SHA1

    f1086d2f667d807dbb1aa362a7a809ea119f2565

  • SHA256

    dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

  • SHA512

    2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1

  • SSDEEP

    24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail coronavirus@qq.com Write this ID in the title of your message A0ABE63D In case of no answer in 24 hours write us to theese e-mails: coronavirus@qq.com You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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.
Emails

coronavirus@qq.com

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 (496) 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
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 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\free robux for roblox.exe
    "C:\Users\Admin\AppData\Local\Temp\free robux for roblox.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:1956
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4896
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:6856
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:7788
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5856
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:8088
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:7400
        • 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:12516
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:6788
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:8024
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
            1⤵
              PID:16240
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k UnistackSvcGroup
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:16708
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x4 /state0:0xa3931855 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              • Suspicious use of SetWindowsHookEx
              PID:10948

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Initial Access

            Execution

            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

            Loading Replay Monitor...

            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-A0ABE63D.[coronavirus@qq.com].ncov
              Filesize

              512KB

              MD5

              b12bf6ce54f28c877e035fadaa4835c5

              SHA1

              b95d9827bf00c7d48972db789b6a26145377627d

              SHA256

              7d351459de865bde115b9ca5435809f024fecb75bc089e4f4046160949de5ad1

              SHA512

              2b0a84435a4fb41e795d0bf243bfbc341618c631bd8f9cf7034edabd357b32e3131764decffcdf137964e8285945efcb388a087d3371e58b9d594061d27e41d0

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

              13KB

              MD5

              02d7f00d5421b361e6deb44cd2a6bd6f

              SHA1

              7fc691dc42251d43d42d33d86b9a895544c2311d

              SHA256

              b269c8c44e6f5cd0df2260649a06fbac2519841da21e1adcbf3e588ed696a894

              SHA512

              6fa8612552159eecc68056c66333a540a3cd87d26f8d76caa85f75c5699d62ded7d9d65257e67882b80d5f1d9798850ef484a5e7406b969df80b0c08ed63dba1

              Download Submit
            • memory/1956-2-0x0000000000400000-0x000000000056F000-memory.dmp
              Filesize

              1.4MB

              Download
            • memory/1956-1-0x000000000ADC0000-0x000000000ADF4000-memory.dmp
              Filesize

              208KB

              Download
            • memory/1956-4640-0x0000000000400000-0x000000000056F000-memory.dmp
              Filesize

              1.4MB

              Download
            • memory/1956-16619-0x000000000ADC0000-0x000000000ADF4000-memory.dmp
              Filesize

              208KB

              Download
            • memory/1956-0-0x0000000000400000-0x000000000056F000-memory.dmp
              Filesize

              1.4MB

              Download
            • memory/16708-23821-0x000001C4E7540000-0x000001C4E7550000-memory.dmp
              Filesize

              64KB

              Download
            • memory/16708-23837-0x000001C4E7640000-0x000001C4E7650000-memory.dmp
              Filesize

              64KB

              Download
            • memory/16708-23856-0x000001C4EF870000-0x000001C4EF871000-memory.dmp
              Filesize

              4KB

              Download
            • memory/16708-23858-0x000001C4EF9B0000-0x000001C4EF9B1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/16708-23860-0x000001C4EF9B0000-0x000001C4EF9B1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/16708-23861-0x000001C4EF9C0000-0x000001C4EF9C1000-memory.dmp
              Filesize

              4KB

              Download