Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    01/07/2024, 21:15

General

  • Target

    1c8554957dbc1a306abb3761d4919673_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    1c8554957dbc1a306abb3761d4919673

  • SHA1

    c4ec35261f35a44d4a0ffc3e31c8b492710d86a0

  • SHA256

    42b0825156a224597ef9cab4fb09dcbf194cee29379118b5016eed6f9a8f4162

  • SHA512

    94f73ddb06b6f0d4b29088138973c6f345d42f74175bc9f4a3ee05bdbe86009a33faae67a1fb970d5163ef634ff38e9a71fd5511e651f49116c36f28404d4077

  • SSDEEP

    768:5RVZwlepBH12mX3uN3aO74s9dcKDI0GZTg70Wq1qtewJJgzY4Dy2:5RAepBAmnuhN74k6GIhfWa8izY47

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c8554957dbc1a306abb3761d4919673_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c8554957dbc1a306abb3761d4919673_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\lua\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2120
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2120 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:892
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\lua\1.inf
          4⤵
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          PID:2296
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\lua\2.bat
          4⤵
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Suspicious use of WriteProcessMemory
          PID:524
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
            5⤵
            • Modifies Internet Explorer settings
            • Modifies Internet Explorer start page
            PID:2068
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
            5⤵
            • Modifies Internet Explorer settings
            • Modifies Internet Explorer start page
            PID:2300
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
            5⤵
              PID:2304
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
              5⤵
              • Modifies registry class
              PID:1372
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\lua\3.bat""" /f
              5⤵
              • Modifies registry class
              PID:760
            • C:\Windows\SysWOW64\attrib.exe
              attrib +s +h C:\Users\Admin\AppData\Roaming\lua\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
              5⤵
              • Sets file to hidden
              • Views/modifies file attributes
              PID:1908
            • C:\Windows\SysWOW64\attrib.exe
              attrib +s +h C:\Users\Admin\AppData\Roaming\lua\tmp
              5⤵
              • Sets file to hidden
              • Views/modifies file attributes
              PID:1980
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\lua\2.inf
              5⤵
              • Adds Run key to start application
              • Drops file in Windows directory
              • Suspicious use of AdjustPrivilegeToken
              PID:1956
              • C:\Windows\SysWOW64\runonce.exe
                "C:\Windows\system32\runonce.exe" -r
                6⤵
                • Checks processor information in registry
                PID:1784
                • C:\Windows\SysWOW64\grpconv.exe
                  "C:\Windows\System32\grpconv.exe" -o
                  7⤵
                    PID:1912
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 D:\VolumeDH\inj.dat,MainLoad
                5⤵
                  PID:896
          • C:\Users\Admin\AppData\Local\Temp\inl6C6B.tmp
            C:\Users\Admin\AppData\Local\Temp\inl6C6B.tmp
            2⤵
              PID:2016
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1C8554~1.EXE > nul
              2⤵
                PID:2664

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

                    Filesize

                    906B

                    MD5

                    f2572338cb20db1d928b2c61282e6e87

                    SHA1

                    8b2b79ef1c914b0b00ec10a06caa8638b2163d45

                    SHA256

                    e9bc7df9f665d307b049d0d8bf74ed3c2ac1564094d3c4eff2568742bb5ebbbd

                    SHA512

                    240c9e2b2de396ef9dbe6b823723c61ba12c50e9a3b11f5f8f826aa55984d6c18a83361bf5b8f5d2602dbf8152e9feb35ceadce11d098aed246c52dc02771763

                  • C:\Users\Admin\AppData\Local\Temp\tmp_ext.bat

                    Filesize

                    50B

                    MD5

                    e08ad52d3d132292f9c51e7cfec5fe08

                    SHA1

                    269f7eb185a9ff02664297bfb6f5df9f86ec10f0

                    SHA256

                    bd2a3003fb1f771283b30a044c49aecb72bfdff4322330337dba4992ecd198f4

                    SHA512

                    3dc0331f3ee9a57de7bda71a94953239bc7033a130f2b783b35d17ce3ed7b7928c154323d10ba81bd81d3bfd2d7c123cec55f5178d2b44286c2f857ccd6a1722

                  • C:\Users\Admin\AppData\Roaming\lua\1.bat

                    Filesize

                    2KB

                    MD5

                    68a30985a8b4a1dae5b24721ca5b8269

                    SHA1

                    78481107bbddcf18ffc4d25a184ec74274241a6b

                    SHA256

                    fe94352a25ade782ea77db82f1ec849479ebfe4605156142fc3fdfabc507a0cf

                    SHA512

                    d452182a296a9e202bce81ad0c752b34d4d779cac94bb54a07517936b79a4007127585673c524c75055f15e33c56eef0d26d1c448723a97fe70c15457bae5a24

                  • C:\Users\Admin\AppData\Roaming\lua\1.inf

                    Filesize

                    362B

                    MD5

                    20b164889086c50e2be7e83799886b88

                    SHA1

                    e813f0d19584247fb44151ea97a212197c9b7828

                    SHA256

                    76b4794f3b5e9efa322ee0683977f1646501b441f286b89239fddf2c0c2d2fc3

                    SHA512

                    9ec551ba8254597ab09c733715a26b39c475503a40f020636e8ad727e5ef6cd3bf880d937a8970c36fdd9ed9c2dd3dccb127deef0991fad50eb5b83b38417d79

                  • C:\Users\Admin\AppData\Roaming\lua\1.inf

                    Filesize

                    410B

                    MD5

                    66a1f0147fed7ddd19e9bb7ff93705c5

                    SHA1

                    9d803c81ea2195617379b880b227892ba30b0bf6

                    SHA256

                    4f45ce85e221352f7fe26e04968c7f7267dc24b55cf2b72b929b4c90e48cb764

                    SHA512

                    cfe51756ddec75d240249980a4d27870d15983add25058e4d0da4d8a3ea11384d4d228d6cbc95091f91e516e1ab4dfb1e315941dbd95bf717d4b31936311d597

                  • C:\Users\Admin\AppData\Roaming\lua\2.bat

                    Filesize

                    3KB

                    MD5

                    c106ffc420b54a4f0fd331f10657dc66

                    SHA1

                    8930d5b56358f518bdf5ccca2b4d24f98ce7a03f

                    SHA256

                    fb8218f8c607ec3a4c4cb6e59ee81a94cf8ff513d0b09565ad456c88a9e7250b

                    SHA512

                    ee82fb57af0dddf8f1acab855cda151d3eacb8e11b0adc3a81852c1e2d77a566aa630ff5dabd8c7bc92ebe78b6187cc823c8a4a645ca78ee88e2c27483080fbd

                  • C:\Users\Admin\AppData\Roaming\lua\2.inf

                    Filesize

                    244B

                    MD5

                    524023ba7f18bfc502d22dbaade4571e

                    SHA1

                    fc118e1284db4e36da41d5cc4496ffa9a8b7cd2e

                    SHA256

                    5d170c83ca9a16ed7f62145099b3b8b0c0a1d4187e60bb0719754cb6ed40fc4c

                    SHA512

                    22384a0854a9949209444d9e7af3016327ad698e56797af246e02604b880949f40c7f4627303c11d73581c681b93bcee285b3937d4088c61107b9ec73901bdbc

                  • C:\Users\Admin\AppData\Roaming\lua\4.bat

                    Filesize

                    44KB

                    MD5

                    8639815b7bda81055eaba69766f4c83c

                    SHA1

                    fcd1aacf535d0e948a8ff8104126040d1efb5bb3

                    SHA256

                    cf1b5e5145057f947af3ab59060e7b184975c66a68d4076732774a572f8376c8

                    SHA512

                    02268150ae0042dc1b8fda8d2d31b8d94058ade4fff8244a60ba8580f464e1bb5cec4a77448ba730389f9680b27742a697174c5efe2c1ddccb342ab01a5b0954

                  • memory/2120-62-0x0000000002310000-0x0000000002320000-memory.dmp

                    Filesize

                    64KB

                  • memory/2232-7-0x0000000000020000-0x0000000000023000-memory.dmp

                    Filesize

                    12KB

                  • memory/2232-35-0x00000000004F0000-0x00000000004FC000-memory.dmp

                    Filesize

                    48KB

                  • memory/2232-1-0x0000000000020000-0x0000000000023000-memory.dmp

                    Filesize

                    12KB

                  • memory/2232-5-0x0000000000E30000-0x0000000000E4F000-memory.dmp

                    Filesize

                    124KB

                  • memory/2232-0-0x0000000000E30000-0x0000000000E4F000-memory.dmp

                    Filesize

                    124KB

                  • memory/2232-118-0x0000000000E30000-0x0000000000E4F000-memory.dmp

                    Filesize

                    124KB