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Analysis

  • max time kernel
    22s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-07-2021 22:53

General

  • Target

    8 (20).exe

  • Size

    3.0MB

  • MD5

    bb072cad921aa5ce8b97706ce01bc570

  • SHA1

    18bf034906c1341b7817e7361ad27a4425d820bd

  • SHA256

    817a50d00909383bbef41e6f4e61b527d55f0873bcf745b29dbba75f52fe2e97

  • SHA512

    d40e5f77d882ed29bd9de5a6848072e2f81cd02176955e2b1a4aedcdf4eb687d77bebe33cef0c7d702bc828181755f86e2564523d476adbb785f396a5ce1d474

Malware Config

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 2 IoCs
  • ASPack v2.12-2.42 14 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 46 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 6 IoCs
  • Modifies registry class 13 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
      PID:464
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:872
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k SystemNetworkService
        2⤵
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Modifies registry class
        PID:928
    • C:\Users\Admin\AppData\Local\Temp\8 (20).exe
      "C:\Users\Admin\AppData\Local\Temp\8 (20).exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
        "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1760
        • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\setup_install.exe
          "C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\setup_install.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1704
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_3.exe
            4⤵
            • Loads dropped DLL
            PID:1960
            • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_3.exe
              sonia_3.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies system certificate store
              PID:744
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 948
                6⤵
                • Program crash
                PID:2276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_4.exe
            4⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_4.exe
              sonia_4.exe
              5⤵
              • Executes dropped EXE
              PID:1692
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_5.exe
            4⤵
            • Loads dropped DLL
            PID:1496
            • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_5.exe
              sonia_5.exe
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:964
              • C:\Users\Admin\Documents\ufm7reYGEKtw158rFPugPZfR.exe
                "C:\Users\Admin\Documents\ufm7reYGEKtw158rFPugPZfR.exe"
                6⤵
                  PID:2196
                • C:\Users\Admin\Documents\rLME3dplMZkEBLJuVnNdeDfx.exe
                  "C:\Users\Admin\Documents\rLME3dplMZkEBLJuVnNdeDfx.exe"
                  6⤵
                    PID:2180
                  • C:\Users\Admin\Documents\JHh0XISmmtasTURZIRIyK6nQ.exe
                    "C:\Users\Admin\Documents\JHh0XISmmtasTURZIRIyK6nQ.exe"
                    6⤵
                      PID:2164
                    • C:\Users\Admin\Documents\fIhCZmQXlk7hxQ4VHszqJuPV.exe
                      "C:\Users\Admin\Documents\fIhCZmQXlk7hxQ4VHszqJuPV.exe"
                      6⤵
                        PID:2144
                      • C:\Users\Admin\Documents\QCuapf5eFgjlGpqurli3WlgP.exe
                        "C:\Users\Admin\Documents\QCuapf5eFgjlGpqurli3WlgP.exe"
                        6⤵
                          PID:2120
                        • C:\Users\Admin\Documents\qOTp8JbOEfbq4UijJs83bmCd.exe
                          "C:\Users\Admin\Documents\qOTp8JbOEfbq4UijJs83bmCd.exe"
                          6⤵
                            PID:2112
                          • C:\Users\Admin\Documents\L36cut_sUI_VZqNZdcnXHHTO.exe
                            "C:\Users\Admin\Documents\L36cut_sUI_VZqNZdcnXHHTO.exe"
                            6⤵
                              PID:2100
                            • C:\Users\Admin\Documents\DUUQ8rihFLzKtz0tqb1LebIj.exe
                              "C:\Users\Admin\Documents\DUUQ8rihFLzKtz0tqb1LebIj.exe"
                              6⤵
                                PID:2240
                              • C:\Users\Admin\Documents\6cTIOT3Vd6nwXi8VR0uqR6Ew.exe
                                "C:\Users\Admin\Documents\6cTIOT3Vd6nwXi8VR0uqR6Ew.exe"
                                6⤵
                                  PID:2228
                                  • C:\Users\Admin\AppData\Local\Temp\11111.exe
                                    C:\Users\Admin\AppData\Local\Temp\11111.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                    7⤵
                                      PID:2592
                                    • C:\Users\Admin\AppData\Local\Temp\11111.exe
                                      C:\Users\Admin\AppData\Local\Temp\11111.exe /CookiesFile "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Profile 2\Cookies" /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                      7⤵
                                        PID:2780
                                      • C:\Users\Admin\AppData\Local\Temp\22222.exe
                                        C:\Users\Admin\AppData\Local\Temp\22222.exe /CookiesFile "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cookies" /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                                        7⤵
                                          PID:2828
                                      • C:\Users\Admin\Documents\fY7V5DSzUghcRO9gaSTxKIzI.exe
                                        "C:\Users\Admin\Documents\fY7V5DSzUghcRO9gaSTxKIzI.exe"
                                        6⤵
                                          PID:2508
                                        • C:\Users\Admin\Documents\NzpSfvub96W3wOAuuNBf_K9u.exe
                                          "C:\Users\Admin\Documents\NzpSfvub96W3wOAuuNBf_K9u.exe"
                                          6⤵
                                            PID:2496
                                          • C:\Users\Admin\Documents\gsAqMQexS4b3lzAgwLquEa8b.exe
                                            "C:\Users\Admin\Documents\gsAqMQexS4b3lzAgwLquEa8b.exe"
                                            6⤵
                                              PID:2484
                                            • C:\Users\Admin\Documents\E0ckwMvAOoJmGiCmScIXTJir.exe
                                              "C:\Users\Admin\Documents\E0ckwMvAOoJmGiCmScIXTJir.exe"
                                              6⤵
                                                PID:2476
                                              • C:\Users\Admin\Documents\M_7Cn0mWwRNdnj5zBbB4aaAp.exe
                                                "C:\Users\Admin\Documents\M_7Cn0mWwRNdnj5zBbB4aaAp.exe"
                                                6⤵
                                                  PID:2460
                                                • C:\Users\Admin\Documents\et20Tx3BK7GZha_iOefVnmRs.exe
                                                  "C:\Users\Admin\Documents\et20Tx3BK7GZha_iOefVnmRs.exe"
                                                  6⤵
                                                    PID:2448
                                                  • C:\Users\Admin\Documents\_KLviW8sk3EyFaF4sn9usS7P.exe
                                                    "C:\Users\Admin\Documents\_KLviW8sk3EyFaF4sn9usS7P.exe"
                                                    6⤵
                                                      PID:2564
                                                • C:\Windows\SysWOW64\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c sonia_6.exe
                                                  4⤵
                                                  • Loads dropped DLL
                                                  PID:684
                                                  • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_6.exe
                                                    sonia_6.exe
                                                    5⤵
                                                    • Executes dropped EXE
                                                    • Loads dropped DLL
                                                    • Adds Run key to start application
                                                    • Modifies system certificate store
                                                    PID:1928
                                                    • 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
                                                      6⤵
                                                      • Executes dropped EXE
                                                      • Loads dropped DLL
                                                      PID:1392
                                                    • 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
                                                      6⤵
                                                        PID:2296
                                                  • C:\Windows\SysWOW64\cmd.exe
                                                    C:\Windows\system32\cmd.exe /c sonia_7.exe
                                                    4⤵
                                                      PID:1616
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c sonia_2.exe
                                                      4⤵
                                                      • Loads dropped DLL
                                                      PID:1284
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c sonia_1.exe
                                                      4⤵
                                                      • Loads dropped DLL
                                                      • Suspicious use of WriteProcessMemory
                                                      PID:1148
                                              • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_1.exe
                                                sonia_1.exe
                                                1⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                PID:2040
                                                • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_1.exe
                                                  "C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_1.exe" -a
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  PID:1520
                                              • C:\Users\Admin\AppData\Local\Temp\7zS0E663CB4\sonia_2.exe
                                                sonia_2.exe
                                                1⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                • Checks SCSI registry key(s)
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious behavior: MapViewOfSection
                                                PID:988
                                              • C:\Windows\SysWOW64\rundll32.exe
                                                rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                1⤵
                                                • Loads dropped DLL
                                                • Modifies registry class
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                PID:276
                                              • C:\Windows\system32\rUNdlL32.eXe
                                                rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                1⤵
                                                • Process spawned unexpected child process
                                                PID:916

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • memory/276-180-0x0000000000280000-0x00000000002DD000-memory.dmp

                                                Filesize

                                                372KB

                                              • memory/276-178-0x0000000001FE0000-0x00000000020E1000-memory.dmp

                                                Filesize

                                                1.0MB

                                              • memory/744-169-0x0000000000400000-0x00000000008F2000-memory.dmp

                                                Filesize

                                                4.9MB

                                              • memory/744-165-0x00000000002E0000-0x000000000037D000-memory.dmp

                                                Filesize

                                                628KB

                                              • memory/872-182-0x00000000021B0000-0x0000000002221000-memory.dmp

                                                Filesize

                                                452KB

                                              • memory/872-181-0x0000000000F60000-0x0000000000FAC000-memory.dmp

                                                Filesize

                                                304KB

                                              • memory/928-183-0x0000000000470000-0x00000000004E1000-memory.dmp

                                                Filesize

                                                452KB

                                              • memory/988-167-0x0000000000240000-0x0000000000249000-memory.dmp

                                                Filesize

                                                36KB

                                              • memory/988-168-0x0000000000400000-0x0000000000896000-memory.dmp

                                                Filesize

                                                4.6MB

                                              • memory/1212-184-0x0000000003D10000-0x0000000003D25000-memory.dmp

                                                Filesize

                                                84KB

                                              • memory/1212-185-0x000007FEF2E80000-0x000007FEF2FC3000-memory.dmp

                                                Filesize

                                                1.3MB

                                              • memory/1212-186-0x000007FEA6430000-0x000007FEA643A000-memory.dmp

                                                Filesize

                                                40KB

                                              • memory/1692-133-0x0000000001310000-0x0000000001311000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1704-97-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                Filesize

                                                572KB

                                              • memory/1704-93-0x0000000000400000-0x000000000051D000-memory.dmp

                                                Filesize

                                                1.1MB

                                              • memory/1704-90-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1704-94-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1704-95-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1704-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                Filesize

                                                572KB

                                              • memory/1704-106-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                Filesize

                                                152KB

                                              • memory/1704-108-0x0000000000400000-0x000000000051D000-memory.dmp

                                                Filesize

                                                1.1MB

                                              • memory/1704-92-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1704-96-0x0000000064940000-0x0000000064959000-memory.dmp

                                                Filesize

                                                100KB

                                              • memory/1704-105-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                Filesize

                                                1.5MB

                                              • memory/1704-91-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                Filesize

                                                152KB

                                              • memory/1840-60-0x0000000074D91000-0x0000000074D93000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2112-229-0x0000000000010000-0x0000000000011000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2120-232-0x00000000002D0000-0x00000000002D1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2228-214-0x00000000004D0000-0x000000000053F000-memory.dmp

                                                Filesize

                                                444KB

                                              • memory/2228-206-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

                                                Filesize

                                                8KB

                                              • memory/2448-233-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2564-222-0x0000000001110000-0x0000000001111000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2780-228-0x0000000000400000-0x0000000000455000-memory.dmp

                                                Filesize

                                                340KB