Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

  • max time kernel
    1802s
  • max time network
    1470s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-11-2020 17:26

General

  • Target

    DiskInternals_Uneraser_v5_keygen.exe

Malware Config

Extracted

Family

azorult

C2

http://kvaka.li/1210776429.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 21 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DiskInternals_Uneraser_v5_keygen.exe
    "C:\Users\Admin\AppData\Local\Temp\DiskInternals_Uneraser_v5_keygen.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\intro.exe
        intro.exe 1EQy87
        3⤵
        • Executes dropped EXE
        PID:1168
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-pr.exe
        keygen-pr.exe -p83fsase3Ge
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:356
        • C:\Users\Admin\AppData\Local\Temp\RarSFX1\key.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX1\key.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:584
          • C:\Users\Admin\AppData\Local\Temp\RarSFX1\key.exe
            C:\Users\Admin\AppData\Local\Temp\RarSFX1\key.exe -txt -scanlocal -file:potato.dat
            5⤵
            • Executes dropped EXE
            PID:2464
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-1.exe
        keygen-step-1.exe
        3⤵
        • Executes dropped EXE
        PID:724
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-3.exe
        keygen-step-3.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-3.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2184
          • C:\Windows\SysWOW64\PING.EXE
            ping 1.1.1.1 -n 1 -w 3000
            5⤵
            • Runs ping.exe
            PID:2212
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\keygen-step-4.exe
        keygen-step-4.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2600
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX2\DreamTrips.bat" "
          4⤵
          • Checks computer location settings
          PID:2116
        • C:\Users\Admin\AppData\Local\Temp\RarSFX2\setup.upx.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX2\setup.upx.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4192
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX2\setup.upx.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4232
            • C:\Windows\SysWOW64\PING.EXE
              ping 1.1.1.1 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4308
        • C:\Users\Admin\AppData\Local\Temp\RarSFX2\Setup.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX2\Setup.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          • Suspicious use of WriteProcessMemory
          PID:4264
          • C:\Windows\SysWOW64\CScript.exe
            "C:\Windows\system32\CScript.exe" "C:\Program Files (x86)\NextGen\lanret\pub4.vbs" //e:vbscript //B //NOLOGO
            5⤵
            • Blocklisted process makes network request
            PID:4376
          • C:\Program Files (x86)\NextGen\lanret\4.exe
            "C:\Program Files (x86)\NextGen\lanret\4.exe"
            5⤵
            • Executes dropped EXE
            • Checks BIOS information in registry
            • Identifies Wine through registry keys
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            PID:4572
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\tibYsP4G0XkA & timeout 2 & del /f /q "C:\Program Files (x86)\NextGen\lanret\4.exe"
              6⤵
                PID:4268
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 2
                  7⤵
                  • Delays execution with timeout.exe
                  PID:2640
            • C:\Program Files (x86)\NextGen\lanret\pub4.exe
              "C:\Program Files (x86)\NextGen\lanret\pub4.exe"
              5⤵
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Identifies Wine through registry keys
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4612
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\rhfilohskfrs.exe"
                6⤵
                  PID:4188
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\floyeatalm.exe"
                  6⤵
                    PID:4200
              • C:\Users\Admin\AppData\Local\Temp\RarSFX2\file.exe
                "C:\Users\Admin\AppData\Local\Temp\RarSFX2\file.exe"
                4⤵
                • Executes dropped EXE
                • Modifies system certificate store
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4664
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\RarSFX2\file.exe"
                  5⤵
                    PID:4508
                    • C:\Windows\SysWOW64\PING.EXE
                      ping 127.0.0.1
                      6⤵
                      • Runs ping.exe
                      PID:4396
                • C:\Users\Admin\AppData\Local\Temp\RarSFX2\002.exe
                  "C:\Users\Admin\AppData\Local\Temp\RarSFX2\002.exe"
                  4⤵
                  • Executes dropped EXE
                  • Suspicious use of SetWindowsHookEx
                  PID:4404
                • C:\Users\Admin\AppData\Local\Temp\RarSFX2\Free.exe
                  "C:\Users\Admin\AppData\Local\Temp\RarSFX2\Free.exe"
                  4⤵
                  • Executes dropped EXE
                  PID:4828
                  • C:\Users\Admin\AppData\Local\Temp\is-U0J5I.tmp\Free.tmp
                    "C:\Users\Admin\AppData\Local\Temp\is-U0J5I.tmp\Free.tmp" /SL5="$202E2,680561,121344,C:\Users\Admin\AppData\Local\Temp\RarSFX2\Free.exe"
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of FindShellTrayWindow
                    PID:4648
                    • C:\Users\Admin\AppData\Local\Temp\RarSFX2\searzar\searzar.exe
                      "C:\Users\Admin\AppData\Local\Temp\RarSFX2\searzar\searzar.exe"
                      6⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      PID:5048
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd.exe /c taskkill /f /im chrome.exe
                        7⤵
                          PID:4316
                          • C:\Windows\SysWOW64\taskkill.exe
                            taskkill /f /im chrome.exe
                            8⤵
                            • Kills process with taskkill
                            PID:4820
                  • C:\Users\Admin\AppData\Local\Temp\RarSFX2\hjjgaa.exe
                    "C:\Users\Admin\AppData\Local\Temp\RarSFX2\hjjgaa.exe"
                    4⤵
                    • Executes dropped EXE
                    • Adds Run key to start application
                    PID:1116
                    • C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt
                      5⤵
                      • Executes dropped EXE
                      PID:1884
                    • C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt
                      5⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2308
                    • C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt
                      5⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1332
                    • C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe
                      C:\Users\Admin\AppData\Local\Temp\jfiag_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fjgha23_fa.txt
                      5⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1344
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
              1⤵
              • Drops file in Windows directory
              • Modifies Internet Explorer settings
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3816
            • C:\Windows\system32\browser_broker.exe
              C:\Windows\system32\browser_broker.exe -Embedding
              1⤵
              • Modifies Internet Explorer settings
              PID:3388
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
              1⤵
              • Modifies registry class
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetWindowsHookEx
              PID:4420
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
              1⤵
              • Modifies Internet Explorer settings
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:4548
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
              1⤵
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:4352
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
              1⤵
              • Modifies registry class
              PID:4388
            • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
              "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
              1⤵
              • Modifies registry class
              PID:5116

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/2464-30-0x0000000000400000-0x0000000000983000-memory.dmp

              Filesize

              5.5MB

            • memory/2464-34-0x0000000000400000-0x0000000000983000-memory.dmp

              Filesize

              5.5MB

            • memory/4264-45-0x0000000072F00000-0x0000000072F93000-memory.dmp

              Filesize

              588KB

            • memory/4572-65-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

              Filesize

              4KB

            • memory/4572-57-0x0000000072F00000-0x0000000072F93000-memory.dmp

              Filesize

              588KB

            • memory/4572-66-0x00000000052B0000-0x00000000052B1000-memory.dmp

              Filesize

              4KB

            • memory/4612-67-0x00000000049C0000-0x00000000049C1000-memory.dmp

              Filesize

              4KB

            • memory/4612-68-0x00000000051C0000-0x00000000051C1000-memory.dmp

              Filesize

              4KB

            • memory/4612-61-0x0000000072F00000-0x0000000072F93000-memory.dmp

              Filesize

              588KB