Analysis

  • max time kernel
    442s
  • max time network
    339s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2023, 22:31

General

  • Target

    CyberDefenderAV.zip

  • Size

    7.8MB

  • MD5

    afac77380bcf97cf0a44e6da2a635f9d

  • SHA1

    d38cd7c990fd1f814fece4b784f540ac31cf077e

  • SHA256

    25996308d5b8edb759d4c128b6f9bf75b1eeb4c94dfdcb61a60aa56aedf64b1b

  • SHA512

    45e27c67802c38ffc4eefc76e9e883922c78ece7615c11c847061ed24e1933e31d05449c197c3f51bd1216f14484abde77568676ee535374b3283a48c77d3108

  • SSDEEP

    196608:Do1qKHs5o68CulcOEaVY72Ok6Ybxihxus8Wm9NctWsuPUJO15Js:DKqKEo60C72O6xifulrNYWsu8JaJs

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\CyberDefenderAV.zip
    1⤵
      PID:1644
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1232
      • C:\Windows\system32\verclsid.exe
        "C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
        1⤵
          PID:1476
        • C:\Windows\system32\AUDIODG.EXE
          C:\Windows\system32\AUDIODG.EXE 0x534
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1120
        • C:\Windows\system32\cmd.exe
          cmd /c ""C:\Users\Admin\Desktop\DecryptorESDD\Decriptador de ESDD.cmd" "
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:1816
          • C:\Windows\system32\rundll32.exe
            RunDll32 "ADZP 20 Complex.sys"
            2⤵
              PID:1696
            • C:\Windows\system32\rundll32.exe
              RunDll32 "ADZP 20 Complex.sys"
              2⤵
                PID:1796
              • C:\Windows\system32\rundll32.exe
                RunDll32 "YShell.dll"
                2⤵
                  PID:1056
                • C:\Windows\system32\rundll32.exe
                  RunDll32 "SystemBoot.ini"
                  2⤵
                    PID:1536
                  • C:\Windows\system32\rundll32.exe
                    RunDll32 "Libcrypto-1_1 Simplex.dll"
                    2⤵
                      PID:1588
                    • C:\Windows\system32\rundll32.exe
                      RunDll32 "ZLibRunner.dll"
                      2⤵
                        PID:1612
                      • C:\Windows\system32\rundll32.exe
                        RunDll32 "Control Panel.dll"
                        2⤵
                          PID:1084
                        • C:\Windows\system32\rundll32.exe
                          RunDll32 "ADZP 20 Complex.sys"
                          2⤵
                            PID:2008
                          • C:\Windows\system32\rundll32.exe
                            RunDll32 "Control Panel.dll"
                            2⤵
                              PID:1900
                            • C:\Windows\system32\rundll32.exe
                              RunDll32 "ADZP 20 Complex.sys"
                              2⤵
                                PID:1956
                              • C:\Windows\system32\rundll32.exe
                                RunDll32 "ADZP 20 Complex.sys"
                                2⤵
                                  PID:1924
                                • C:\Windows\system32\certutil.exe
                                  certutil -decodehex "AVDiskImage.esdd" "13144_25389"
                                  2⤵
                                    PID:1940
                                  • C:\Windows\system32\rundll32.exe
                                    RunDll32 "ADZP 20 Complex.sys"
                                    2⤵
                                      PID:1944
                                    • C:\Windows\system32\timeout.exe
                                      timeout /t 3
                                      2⤵
                                      • Delays execution with timeout.exe
                                      PID:1896
                                    • C:\Windows\system32\rundll32.exe
                                      RunDll32 "ADZP 20 Complex.sys"
                                      2⤵
                                        PID:324
                                      • C:\Windows\system32\rundll32.exe
                                        RunDll32 "ADZP 20 Complex.sys"
                                        2⤵
                                          PID:1600
                                        • C:\Windows\system32\certutil.exe
                                          certutil -decodehex "ISO_FOLDER\AVDiskImage.esdd" "ISO_FOLDER\1.tmp"
                                          2⤵
                                            PID:1832
                                          • C:\Windows\system32\rundll32.exe
                                            RunDll32 "ADZP 20 Complex.sys"
                                            2⤵
                                              PID:1980
                                            • C:\Windows\system32\certutil.exe
                                              certutil -decode "ISO_FOLDER\1.tmp" "ISO_FOLDER\2.tmp"
                                              2⤵
                                                PID:1880
                                              • C:\Windows\system32\rundll32.exe
                                                RunDll32 "ADZP 20 Complex.sys"
                                                2⤵
                                                  PID:1464
                                                • C:\Windows\system32\certutil.exe
                                                  certutil -decodehex "ISO_FOLDER\2.tmp" "ISO_FOLDER\3.tmp"
                                                  2⤵
                                                    PID:1040
                                                  • C:\Windows\system32\rundll32.exe
                                                    RunDll32 "ADZP 20 Complex.sys"
                                                    2⤵
                                                      PID:1992
                                                    • C:\Windows\system32\certutil.exe
                                                      certutil -decode "ISO_FOLDER\3.tmp" "ISO_FOLDER\AVDiskImage.iso"
                                                      2⤵
                                                        PID:2036
                                                      • C:\Windows\system32\rundll32.exe
                                                        RunDll32 "ADZP 20 Complex.sys"
                                                        2⤵
                                                          PID:1036
                                                        • C:\Windows\system32\rundll32.exe
                                                          RunDll32 "ADZP 20 Complex.sys"
                                                          2⤵
                                                            PID:2028
                                                          • C:\Windows\system32\rundll32.exe
                                                            RunDll32 "ADZP 20 Complex.sys"
                                                            2⤵
                                                              PID:1936
                                                            • C:\Windows\system32\rundll32.exe
                                                              RunDll32 "ADZP 20 Complex.sys"
                                                              2⤵
                                                                PID:188
                                                              • C:\Windows\system32\rundll32.exe
                                                                RunDll32 "ADZP 20 Complex.sys"
                                                                2⤵
                                                                  PID:1196
                                                                • C:\Windows\system32\rundll32.exe
                                                                  RunDll32 "ADZP 20 Complex.sys"
                                                                  2⤵
                                                                    PID:1760
                                                                  • C:\Windows\system32\rundll32.exe
                                                                    RunDll32 "Control Panel.dll"
                                                                    2⤵
                                                                      PID:568
                                                                  • C:\Windows\System32\cmd.exe
                                                                    "C:\Windows\System32\cmd.exe"
                                                                    1⤵
                                                                    • Drops file in System32 directory
                                                                    • Drops file in Program Files directory
                                                                    PID:1668
                                                                    • C:\Windows\system32\taskkill.exe
                                                                      taskkill /im svchost.exe /f
                                                                      2⤵
                                                                      • Kills process with taskkill
                                                                      • Suspicious use of AdjustPrivilegeToken
                                                                      PID:1912
                                                                    • C:\Windows\system32\taskkill.exe
                                                                      taskkill /im svchost.exe /f
                                                                      2⤵
                                                                      • Kills process with taskkill
                                                                      PID:920
                                                                    • C:\Windows\system32\taskkill.exe
                                                                      taskkill /im svchost.exe /f
                                                                      2⤵
                                                                      • Kills process with taskkill
                                                                      PID:1760
                                                                    • C:\Windows\system32\taskkill.exe
                                                                      taskkill /im *.* /f
                                                                      2⤵
                                                                      • Kills process with taskkill
                                                                      PID:1104
                                                                  • C:\Windows\system32\svchost.exe
                                                                    C:\Windows\system32\svchost.exe -k netsvcs
                                                                    1⤵
                                                                      PID:520
                                                                    • C:\Windows\system32\svchost.exe
                                                                      C:\Windows\system32\svchost.exe -k netsvcs
                                                                      1⤵
                                                                        PID:888
                                                                      • C:\Windows\system32\svchost.exe
                                                                        C:\Windows\system32\svchost.exe -k netsvcs
                                                                        1⤵
                                                                          PID:1068
                                                                        • C:\Windows\system32\svchost.exe
                                                                          C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
                                                                          1⤵
                                                                            PID:608
                                                                          • C:\Windows\system32\svchost.exe
                                                                            C:\Windows\system32\svchost.exe -k netsvcs
                                                                            1⤵
                                                                              PID:1044
                                                                            • C:\Windows\system32\svchost.exe
                                                                              C:\Windows\system32\svchost.exe -k netsvcs
                                                                              1⤵
                                                                                PID:640
                                                                              • C:\Windows\system32\svchost.exe
                                                                                C:\Windows\system32\svchost.exe -k netsvcs
                                                                                1⤵
                                                                                  PID:960

                                                                                Network

                                                                                      MITRE ATT&CK Matrix

                                                                                      Replay Monitor

                                                                                      Loading Replay Monitor...

                                                                                      Downloads

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\13144_25389

                                                                                        Filesize

                                                                                        5.0MB

                                                                                        MD5

                                                                                        7cbbec055707b5e488851903758a3d3c

                                                                                        SHA1

                                                                                        e72e86ca2979b3efe9a731e7769fe96dfea3d775

                                                                                        SHA256

                                                                                        3d0bcf678566af4bb7dfa17823a754fd21c6d898e821dce2b1401f9cf3bb16cf

                                                                                        SHA512

                                                                                        ed592d6db281aaa0e7a6cd2ac9d6d675bd7053d6bb88244a5cd39176eba885d6f0e26d1e228c7c5c4ac0a994e2934a8f4ec9eebfcfb621a99bbc68205810d731

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\ISO_FOLDER\1.tmp

                                                                                        Filesize

                                                                                        5.0MB

                                                                                        MD5

                                                                                        7cbbec055707b5e488851903758a3d3c

                                                                                        SHA1

                                                                                        e72e86ca2979b3efe9a731e7769fe96dfea3d775

                                                                                        SHA256

                                                                                        3d0bcf678566af4bb7dfa17823a754fd21c6d898e821dce2b1401f9cf3bb16cf

                                                                                        SHA512

                                                                                        ed592d6db281aaa0e7a6cd2ac9d6d675bd7053d6bb88244a5cd39176eba885d6f0e26d1e228c7c5c4ac0a994e2934a8f4ec9eebfcfb621a99bbc68205810d731

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\ISO_FOLDER\2.tmp

                                                                                        Filesize

                                                                                        3.6MB

                                                                                        MD5

                                                                                        d73b59fbce2289aabe96087dd996334a

                                                                                        SHA1

                                                                                        17ff10662d16295e100ae51225376a6185a34a54

                                                                                        SHA256

                                                                                        aa3386f4ef54fb971e4750dc13a3f1e18892dac025b0a9953b1b71f6a0911835

                                                                                        SHA512

                                                                                        c76e9af3de479be8e2c1040d7248767923acb5b2479777b42e73e91d2c356ba08c368df0b9496b256ad0aee9e81c57088e7345054e6ec5b3220686de1e7c18af

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\ISO_FOLDER\3.tmp

                                                                                        Filesize

                                                                                        789KB

                                                                                        MD5

                                                                                        c40d64b9ec8bb9457259c5624541c4f5

                                                                                        SHA1

                                                                                        9597dac3d2998db273aaf73a46c1a52074f865f4

                                                                                        SHA256

                                                                                        510e42badb64a1b5e59191cbeaf3cf982889ca3979a649c593d1106a3728624e

                                                                                        SHA512

                                                                                        24f8cf21840bde31df1ad7fc0ccacfd5bee42507722e9b3d393b5603548730e85c623062f9ef253b4c405785bcf415cbfb07f9014e0a5f954631fb1452e9e83a

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\ISO_FOLDER\AVDiskImage.esdd

                                                                                        Filesize

                                                                                        23.5MB

                                                                                        MD5

                                                                                        5dbaaaf83995a966711e61f45dea7310

                                                                                        SHA1

                                                                                        84c29f4adf6f393b6fb27a8a5fb0ec98d28221ea

                                                                                        SHA256

                                                                                        4b32df5818d6cf256aa914357d22de4d4c75f6f74f5ccbc3534e20e21c05ac35

                                                                                        SHA512

                                                                                        c582462ee78d347b62a4c682d70a250c9143edc77af5bc79cae7db904ceb63098954be10b2368063a9c916a0c58319a880e439da70a8ece6dab498ee9c733556

                                                                                      • C:\Users\Admin\Desktop\DecryptorESDD\ISO_FOLDER\AVDiskImage.iso

                                                                                        Filesize

                                                                                        574KB

                                                                                        MD5

                                                                                        7a309063448d7bafe903412305f8d9ea

                                                                                        SHA1

                                                                                        b242cbcb108d4c330aa33b77ac3cd5df3b8e445c

                                                                                        SHA256

                                                                                        b046e8ff1561d59087a87e5a4c85928991f49fde2ce8afe9a25369666638251e

                                                                                        SHA512

                                                                                        10b3c4a09a55314d5da567ec9edba6438ab749fec5cec26352dd33745149dc78ed759d8ceb114861135575862925039df02179a58e1440a638880d9d9dbe7d56