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Analysis

  • max time kernel
    19s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    19-07-2021 22:53

General

  • Target

    8 (21).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.

  • 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
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 42 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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8 (21).exe
    "C:\Users\Admin\AppData\Local\Temp\8 (21).exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1744
    • 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:1756
      • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1088
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_1.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:332
          • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_1.exe
            sonia_1.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:616
            • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_1.exe
              "C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_1.exe" -a
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1812
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c sonia_7.exe
          4⤵
            PID:1672
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_6.exe
            4⤵
            • Loads dropped DLL
            PID:944
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_5.exe
            4⤵
            • Loads dropped DLL
            PID:1084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c sonia_4.exe
            4⤵
            • Loads dropped DLL
            PID:1520
            • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_4.exe
              sonia_4.exe
              5⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:2128
              • C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe
                "C:\Users\Admin\AppData\Local\Temp\LzmwAqmV.exe"
                6⤵
                  PID:568
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_3.exe
              4⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1456
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c sonia_2.exe
              4⤵
              • Loads dropped DLL
              PID:464
      • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_3.exe
        sonia_3.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 964
          2⤵
          • Program crash
          PID:1660
      • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_5.exe
        sonia_5.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1704
        • C:\Users\Admin\Documents\TVmfjjDEPL7j1w74CuFz2Lxf.exe
          "C:\Users\Admin\Documents\TVmfjjDEPL7j1w74CuFz2Lxf.exe"
          2⤵
            PID:2388
          • C:\Users\Admin\Documents\1a8zWvp56kPb_gQxo4ki5GNN.exe
            "C:\Users\Admin\Documents\1a8zWvp56kPb_gQxo4ki5GNN.exe"
            2⤵
              PID:2460
            • C:\Users\Admin\Documents\aRNbmyzfOAkurXkB_kqMeqzL.exe
              "C:\Users\Admin\Documents\aRNbmyzfOAkurXkB_kqMeqzL.exe"
              2⤵
                PID:2444
              • C:\Users\Admin\Documents\PkVd8EDMWKUhbmXusgSJbeQ9.exe
                "C:\Users\Admin\Documents\PkVd8EDMWKUhbmXusgSJbeQ9.exe"
                2⤵
                  PID:2436
                • C:\Users\Admin\Documents\UDysA3jWww9HPPDVF9bmUEbg.exe
                  "C:\Users\Admin\Documents\UDysA3jWww9HPPDVF9bmUEbg.exe"
                  2⤵
                    PID:2428
                  • C:\Users\Admin\Documents\7nNTIxedHP93sLhk5YpWf1BV.exe
                    "C:\Users\Admin\Documents\7nNTIxedHP93sLhk5YpWf1BV.exe"
                    2⤵
                      PID:2420
                    • C:\Users\Admin\Documents\NOfT66EE3IuajyhcBSNABcuE.exe
                      "C:\Users\Admin\Documents\NOfT66EE3IuajyhcBSNABcuE.exe"
                      2⤵
                        PID:2404
                      • C:\Users\Admin\Documents\1xWo9k2Cy9vKPTC48Cv_fyXX.exe
                        "C:\Users\Admin\Documents\1xWo9k2Cy9vKPTC48Cv_fyXX.exe"
                        2⤵
                          PID:2552
                        • C:\Users\Admin\Documents\ndbgKAUsKXWaAWKMm9d4HXuX.exe
                          "C:\Users\Admin\Documents\ndbgKAUsKXWaAWKMm9d4HXuX.exe"
                          2⤵
                            PID:2508
                          • C:\Users\Admin\Documents\GiuypkHpWqsKmqLpfHDvZ1Wl.exe
                            "C:\Users\Admin\Documents\GiuypkHpWqsKmqLpfHDvZ1Wl.exe"
                            2⤵
                              PID:2636
                            • C:\Users\Admin\Documents\HpcVfd4xpqQOMb_2711tuOyW.exe
                              "C:\Users\Admin\Documents\HpcVfd4xpqQOMb_2711tuOyW.exe"
                              2⤵
                                PID:2648
                              • C:\Users\Admin\Documents\BKbW8C2DVHvXcj8C4ank7nSi.exe
                                "C:\Users\Admin\Documents\BKbW8C2DVHvXcj8C4ank7nSi.exe"
                                2⤵
                                  PID:2800
                                • C:\Users\Admin\Documents\VMPJQ3An9bihYr_JBQv2OJyv.exe
                                  "C:\Users\Admin\Documents\VMPJQ3An9bihYr_JBQv2OJyv.exe"
                                  2⤵
                                    PID:2788
                                  • C:\Users\Admin\Documents\9OTGv7YC7yJLsnW9nlpAr2AZ.exe
                                    "C:\Users\Admin\Documents\9OTGv7YC7yJLsnW9nlpAr2AZ.exe"
                                    2⤵
                                      PID:2772
                                    • C:\Users\Admin\Documents\IEhODHwTOcGs7g1Y455HrBfr.exe
                                      "C:\Users\Admin\Documents\IEhODHwTOcGs7g1Y455HrBfr.exe"
                                      2⤵
                                        PID:2760
                                      • C:\Users\Admin\Documents\0oE1wDSTnzaAWFKIcfi7gBi4.exe
                                        "C:\Users\Admin\Documents\0oE1wDSTnzaAWFKIcfi7gBi4.exe"
                                        2⤵
                                          PID:2752
                                        • C:\Users\Admin\Documents\G1rEzgex0L2SnZAq1zA1LiDg.exe
                                          "C:\Users\Admin\Documents\G1rEzgex0L2SnZAq1zA1LiDg.exe"
                                          2⤵
                                            PID:2732
                                          • C:\Users\Admin\Documents\OsHlo7C_tABJRX_AvNFAan3j.exe
                                            "C:\Users\Admin\Documents\OsHlo7C_tABJRX_AvNFAan3j.exe"
                                            2⤵
                                              PID:2724
                                            • C:\Users\Admin\Documents\r8vOufrCbTCz4YF1vOvLV41v.exe
                                              "C:\Users\Admin\Documents\r8vOufrCbTCz4YF1vOvLV41v.exe"
                                              2⤵
                                                PID:2716
                                            • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\sonia_6.exe
                                              sonia_6.exe
                                              1⤵
                                              • Executes dropped EXE
                                              • Loads dropped DLL
                                              • Adds Run key to start application
                                              PID:1824
                                              • 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
                                                2⤵
                                                • Executes dropped EXE
                                                • Loads dropped DLL
                                                PID:2052
                                            • C:\Users\Admin\AppData\Local\Temp\7zSCD6BA924\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:1596
                                            • C:\Windows\system32\DllHost.exe
                                              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                                              1⤵
                                                PID:1672
                                              • C:\Windows\system32\rUNdlL32.eXe
                                                rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                1⤵
                                                • Process spawned unexpected child process
                                                PID:1148
                                                • C:\Windows\SysWOW64\rundll32.exe
                                                  rUNdlL32.eXe "C:\Users\Admin\AppData\Local\Temp\axhub.dll",main
                                                  2⤵
                                                    PID:904

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

                                                Loading Replay Monitor...

                                                Downloads

                                                • memory/568-226-0x0000000001140000-0x0000000001141000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/1088-110-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  Filesize

                                                  1.5MB

                                                • memory/1088-107-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  Filesize

                                                  572KB

                                                • memory/1088-104-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  Filesize

                                                  100KB

                                                • memory/1088-91-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  Filesize

                                                  100KB

                                                • memory/1088-106-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  Filesize

                                                  100KB

                                                • memory/1088-90-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                                                  Filesize

                                                  1.5MB

                                                • memory/1088-93-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/1088-95-0x0000000000400000-0x000000000051D000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/1088-89-0x000000006B440000-0x000000006B4CF000-memory.dmp

                                                  Filesize

                                                  572KB

                                                • memory/1088-92-0x000000006B280000-0x000000006B2A6000-memory.dmp

                                                  Filesize

                                                  152KB

                                                • memory/1088-96-0x0000000064940000-0x0000000064959000-memory.dmp

                                                  Filesize

                                                  100KB

                                                • memory/1088-94-0x0000000000400000-0x000000000051D000-memory.dmp

                                                  Filesize

                                                  1.1MB

                                                • memory/1196-178-0x0000000003B90000-0x0000000003BA5000-memory.dmp

                                                  Filesize

                                                  84KB

                                                • memory/1596-163-0x00000000003C0000-0x00000000003C9000-memory.dmp

                                                  Filesize

                                                  36KB

                                                • memory/1596-164-0x0000000000400000-0x0000000000896000-memory.dmp

                                                  Filesize

                                                  4.6MB

                                                • memory/1744-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/1808-162-0x0000000000400000-0x00000000008F2000-memory.dmp

                                                  Filesize

                                                  4.9MB

                                                • memory/1808-160-0x00000000002D0000-0x000000000036D000-memory.dmp

                                                  Filesize

                                                  628KB

                                                • memory/2128-179-0x000000001B150000-0x000000001B152000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/2128-176-0x0000000000C10000-0x0000000000C11000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2388-194-0x0000000000830000-0x0000000000831000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2460-195-0x0000000000930000-0x0000000000931000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2552-221-0x000007FEFB8F1000-0x000007FEFB8F3000-memory.dmp

                                                  Filesize

                                                  8KB

                                                • memory/2724-219-0x0000000000C90000-0x0000000000C91000-memory.dmp

                                                  Filesize

                                                  4KB

                                                • memory/2752-216-0x00000000003F0000-0x00000000003F1000-memory.dmp

                                                  Filesize

                                                  4KB