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Analysis

  • max time kernel
    27s
  • max time network
    64s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 13:56

General

  • Target

    Install.exe

  • Size

    497KB

  • MD5

    41a5f4fd1ea7cac4aa94a87aebccfef0

  • SHA1

    0d0abf079413a4c773754bf4fda338dc5b9a8ddc

  • SHA256

    97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9

  • SHA512

    5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Malware Config

Signatures

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 3 IoCs
  • 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.

  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\is-PHAQF.tmp\Install.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PHAQF.tmp\Install.tmp" /SL5="$20110,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Users\Admin\AppData\Local\Temp\is-PP1QM.tmp\Ultra.exe
        "C:\Users\Admin\AppData\Local\Temp\is-PP1QM.tmp\Ultra.exe" /S /UID=burnerch1
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:204
        • C:\Program Files\Reference Assemblies\JSGDQYEUAG\ultramediaburner.exe
          "C:\Program Files\Reference Assemblies\JSGDQYEUAG\ultramediaburner.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4084
          • C:\Users\Admin\AppData\Local\Temp\is-84E7F.tmp\ultramediaburner.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-84E7F.tmp\ultramediaburner.tmp" /SL5="$60038,281924,62464,C:\Program Files\Reference Assemblies\JSGDQYEUAG\ultramediaburner.exe" /VERYSILENT
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:3736
            • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
              "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
              6⤵
              • Executes dropped EXE
              PID:1092
        • C:\Users\Admin\AppData\Local\Temp\63-0167b-178-9a985-3715937f43aaf\Ruvyrosholu.exe
          "C:\Users\Admin\AppData\Local\Temp\63-0167b-178-9a985-3715937f43aaf\Ruvyrosholu.exe"
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3448
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\ycpl034h.eah\001.exe & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:5208
            • C:\Users\Admin\AppData\Local\Temp\ycpl034h.eah\001.exe
              C:\Users\Admin\AppData\Local\Temp\ycpl034h.eah\001.exe
              6⤵
              • Executes dropped EXE
              PID:6972
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\czs2qbqn.g4t\installer.exe /qn CAMPAIGN="654" & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3188
            • C:\Users\Admin\AppData\Local\Temp\czs2qbqn.g4t\installer.exe
              C:\Users\Admin\AppData\Local\Temp\czs2qbqn.g4t\installer.exe /qn CAMPAIGN="654"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of FindShellTrayWindow
              PID:2312
              • C:\Windows\SysWOW64\msiexec.exe
                "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\AW Manager\Windows Manager 1.0.0\install\97FDF62\Windows Manager - Postback Y.msi" /qn CAMPAIGN=654 AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\czs2qbqn.g4t\installer.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\czs2qbqn.g4t\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1620481980 /qn CAMPAIGN=""654"" " CAMPAIGN="654"
                7⤵
                  PID:6108
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\jijoifu4.vvx\hbggg.exe & exit
              5⤵
                PID:7264
                • C:\Users\Admin\AppData\Local\Temp\jijoifu4.vvx\hbggg.exe
                  C:\Users\Admin\AppData\Local\Temp\jijoifu4.vvx\hbggg.exe
                  6⤵
                    PID:7544
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\dw2q2kn0.02c\google-game.exe & exit
                  5⤵
                    PID:4628
                    • C:\Users\Admin\AppData\Local\Temp\dw2q2kn0.02c\google-game.exe
                      C:\Users\Admin\AppData\Local\Temp\dw2q2kn0.02c\google-game.exe
                      6⤵
                        PID:4744
                        • C:\Windows\SysWOW64\rUNdlL32.eXe
                          "C:\Windows\system32\rUNdlL32.eXe" "C:\Users\Admin\AppData\Local\Temp\install.dll",install
                          7⤵
                            PID:5112
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\dxqhmrec.wtn\huesaa.exe & exit
                        5⤵
                          PID:5440
                          • C:\Users\Admin\AppData\Local\Temp\dxqhmrec.wtn\huesaa.exe
                            C:\Users\Admin\AppData\Local\Temp\dxqhmrec.wtn\huesaa.exe
                            6⤵
                              PID:6040
                              • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                7⤵
                                  PID:4272
                            • C:\Windows\System32\cmd.exe
                              "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\njick1kx.4hb\setup.exe & exit
                              5⤵
                                PID:6472
                                • C:\Users\Admin\AppData\Local\Temp\njick1kx.4hb\setup.exe
                                  C:\Users\Admin\AppData\Local\Temp\njick1kx.4hb\setup.exe
                                  6⤵
                                    PID:6572
                                    • 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\njick1kx.4hb\setup.exe"
                                      7⤵
                                        PID:6824
                                        • C:\Windows\SysWOW64\PING.EXE
                                          ping 1.1.1.1 -n 1 -w 3000
                                          8⤵
                                          • Runs ping.exe
                                          PID:6900
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\xwol5wgl.jfx\askinstall39.exe & exit
                                    5⤵
                                      PID:7044
                                      • C:\Users\Admin\AppData\Local\Temp\xwol5wgl.jfx\askinstall39.exe
                                        C:\Users\Admin\AppData\Local\Temp\xwol5wgl.jfx\askinstall39.exe
                                        6⤵
                                          PID:7124
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd.exe /c taskkill /f /im chrome.exe
                                            7⤵
                                              PID:7616
                                              • C:\Windows\SysWOW64\taskkill.exe
                                                taskkill /f /im chrome.exe
                                                8⤵
                                                • Kills process with taskkill
                                                PID:7716
                                        • C:\Windows\System32\cmd.exe
                                          "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\mjnh4l2j.ft5\PcCleanerPro.exe & exit
                                          5⤵
                                            PID:7468
                                            • C:\Users\Admin\AppData\Local\Temp\mjnh4l2j.ft5\PcCleanerPro.exe
                                              C:\Users\Admin\AppData\Local\Temp\mjnh4l2j.ft5\PcCleanerPro.exe
                                              6⤵
                                                PID:416
                                                • C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\jg6_6asg.exe"
                                                  7⤵
                                                    PID:3012
                                              • C:\Windows\System32\cmd.exe
                                                "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\hjfqqwd5.zh2\customer1.exe & exit
                                                5⤵
                                                  PID:4140
                                                  • C:\Users\Admin\AppData\Local\Temp\hjfqqwd5.zh2\customer1.exe
                                                    C:\Users\Admin\AppData\Local\Temp\hjfqqwd5.zh2\customer1.exe
                                                    6⤵
                                                      PID:4204
                                                      • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                                                        C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                                        7⤵
                                                          PID:4248
                                                    • C:\Windows\System32\cmd.exe
                                                      "C:\Windows\System32\cmd.exe" /k C:\Users\Admin\AppData\Local\Temp\ss13nnsd.d1n\toolspab1.exe & exit
                                                      5⤵
                                                        PID:5472
                                                        • C:\Users\Admin\AppData\Local\Temp\ss13nnsd.d1n\toolspab1.exe
                                                          C:\Users\Admin\AppData\Local\Temp\ss13nnsd.d1n\toolspab1.exe
                                                          6⤵
                                                            PID:5948
                                                • C:\Windows\system32\msiexec.exe
                                                  C:\Windows\system32\msiexec.exe /V
                                                  1⤵
                                                    PID:4936
                                                    • C:\Windows\syswow64\MsiExec.exe
                                                      C:\Windows\syswow64\MsiExec.exe -Embedding B0D39893A9DD0D9644E4738C348BA278 C
                                                      2⤵
                                                        PID:5464
                                                      • C:\Windows\syswow64\MsiExec.exe
                                                        C:\Windows\syswow64\MsiExec.exe -Embedding FD172DE7CBCFDAE9358EEDC5248E09B8
                                                        2⤵
                                                          PID:6744
                                                          • C:\Windows\SysWOW64\taskkill.exe
                                                            "C:\Windows\SysWOW64\taskkill.exe" /im AdvancedWindowsManager* /f
                                                            3⤵
                                                            • Kills process with taskkill
                                                            PID:7212
                                                        • C:\Windows\syswow64\MsiExec.exe
                                                          C:\Windows\syswow64\MsiExec.exe -Embedding 5FFC54768D6DE69CD9F60BEA9099B485 E Global\MSI0000
                                                          2⤵
                                                            PID:4292
                                                        • C:\Windows\system32\svchost.exe
                                                          C:\Windows\system32\svchost.exe -k SystemNetworkService
                                                          1⤵
                                                            PID:5236

                                                          Network

                                                          MITRE ATT&CK Enterprise v6

                                                          Replay Monitor

                                                          Loading Replay Monitor...

                                                          Downloads

                                                          • memory/204-123-0x0000000002FF0000-0x0000000002FF2000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/336-260-0x0000013CDAFD0000-0x0000013CDB040000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1036-278-0x000002736CD30000-0x000002736CDA0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1092-139-0x00000000023A5000-0x00000000023A7000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/1092-136-0x00000000023A0000-0x00000000023A2000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/1092-137-0x00000000023A2000-0x00000000023A4000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/1092-138-0x00000000023A4000-0x00000000023A5000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1152-275-0x00000161BBC40000-0x00000161BBCB0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1256-284-0x0000025F77C40000-0x0000025F77CB0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1340-258-0x000001EC08490000-0x000001EC08500000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1416-280-0x000001E759440000-0x000001E7594B0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1672-119-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/1676-251-0x000001FAC9FB0000-0x000001FACA020000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/1676-226-0x000001FAC9EF0000-0x000001FAC9F3B000-memory.dmp

                                                            Filesize

                                                            300KB

                                                          • memory/1944-282-0x000001B65A240000-0x000001B65A2B0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/2112-114-0x0000000000400000-0x000000000042B000-memory.dmp

                                                            Filesize

                                                            172KB

                                                          • memory/2400-273-0x000002695A3A0000-0x000002695A410000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/2432-271-0x00000191CCA70000-0x00000191CCAE0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/2616-253-0x0000017417D80000-0x0000017417DF0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/2664-265-0x000001FF5F760000-0x000001FF5F7D0000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/2724-269-0x000001BFD3A00000-0x000001BFD3A70000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/3448-146-0x00000000017B4000-0x00000000017B5000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/3448-145-0x00000000017B2000-0x00000000017B4000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/3448-144-0x00000000017B0000-0x00000000017B2000-memory.dmp

                                                            Filesize

                                                            8KB

                                                          • memory/3736-131-0x00000000001E0000-0x00000000001E1000-memory.dmp

                                                            Filesize

                                                            4KB

                                                          • memory/4084-126-0x0000000000400000-0x0000000000416000-memory.dmp

                                                            Filesize

                                                            88KB

                                                          • memory/5112-225-0x0000000004870000-0x00000000048CC000-memory.dmp

                                                            Filesize

                                                            368KB

                                                          • memory/5112-224-0x0000000002EDE000-0x0000000002FDF000-memory.dmp

                                                            Filesize

                                                            1.0MB

                                                          • memory/5236-264-0x00000289307D0000-0x0000028930840000-memory.dmp

                                                            Filesize

                                                            448KB

                                                          • memory/5236-295-0x0000028932D00000-0x0000028932E05000-memory.dmp

                                                            Filesize

                                                            1.0MB

                                                          • memory/6972-153-0x0000000000430000-0x00000000004DE000-memory.dmp

                                                            Filesize

                                                            696KB

                                                          • memory/6972-152-0x00000000001F0000-0x0000000000200000-memory.dmp

                                                            Filesize

                                                            64KB