Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 11:44

General

  • Target

    73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe

  • Size

    492KB

  • MD5

    73e95e6d9d01282276925ac35a60032c

  • SHA1

    16e7fa60f8ac9ffaff89f7c444954a61cd6ccea6

  • SHA256

    963e50f8c698499ca606427f5bbd82817b00b733e1168460a73ab882238f9f7f

  • SHA512

    3cb5fe5831046cc9b4a8d5b76577c4998b06183c53f210e9743e0c0db599ba364454224618b3cf6edb43c5e8f593d82bb419a70098651d9676f4994d3887cc80

  • SSDEEP

    12288:zjuTkMa586N2rAs3e3D35UQpXyjWz8iu6pqXALLbr2U7QFxyzw:zsUNl6yD2KXYWzj3rZQFz

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 14 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 50 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\csrss.exe
    %SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
    1⤵
    • Executes dropped EXE
    • Drops desktop.ini file(s)
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    1⤵
      PID:840
      • C:\Windows\system32\wbem\WMIADAP.EXE
        wmiadap.exe /F /T /R
        2⤵
          PID:2700
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1196
        • C:\Users\Admin\AppData\Local\Temp\73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe"
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2976
          • C:\Users\Admin\d3s3Jf2gX6.exe
            C:\Users\Admin\d3s3Jf2gX6.exe
            3⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2704
            • C:\Users\Admin\zepav.exe
              "C:\Users\Admin\zepav.exe"
              4⤵
              • Modifies visiblity of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of SetWindowsHookEx
              PID:2988
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del d3s3Jf2gX6.exe
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2772
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                5⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2948
          • C:\Users\Admin\ayhost.exe
            C:\Users\Admin\ayhost.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2776
            • C:\Users\Admin\ayhost.exe
              ayhost.exe
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:3064
          • C:\Users\Admin\bahost.exe
            C:\Users\Admin\bahost.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:300
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:1600
          • C:\Users\Admin\djhost.exe
            C:\Users\Admin\djhost.exe
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1812
          • C:\Users\Admin\ekhost.exe
            C:\Users\Admin\ekhost.exe
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2264
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c tasklist&&del ekhost.exe
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2268
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                5⤵
                • Enumerates processes with tasklist
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1776
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del 73e95e6d9d01282276925ac35a60032c_JaffaCakes118.exe
            3⤵
            • Deletes itself
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2932
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2448
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
        1⤵
        • Loads dropped DLL
        PID:1340

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\calc.exe

        Filesize

        764KB

        MD5

        e381b04abf596ed1573154cd41f418dc

        SHA1

        2ad1df7bebf1e4c0715adbf76c8c14b9162edf2e

        SHA256

        02b08664fcc196f15ff0e33e7ed43e9e78af7b564e3f7c5388dd7d0267905fe6

        SHA512

        44307e60bdc804b3abe710a21e2268960dcc9d29671cf8ce723e40721b6b38ae338c49cd1b9cfd4fa8fa4f644cc80414baeb70f136f39f73833f8373f8180858

      • C:\Windows\system32\consrv.dll

        Filesize

        53KB

        MD5

        4d7cde615a0f534bd5e359951829554b

        SHA1

        c885d00d9000f2a5dbc78f6193a052b36f4fe968

        SHA256

        414fdf9bdcae5136c1295d6d24740c50a484acd81f1f7d0fb5d5c138607cb80a

        SHA512

        33d632f9fbb694440a1ca568c90518784278efd1dc9ee2b57028149d56ebe1f7346d5b59dcfafee2eeaa10091dda05f48958e909d6bfc891e037ae1cfbd048d4

      • \??\globalroot\systemroot\assembly\temp\@

        Filesize

        2KB

        MD5

        4b28790ac5d2ce5f8756ea57b2b3b2d9

        SHA1

        6a2cfa8cf116399e8b39b76e3e3cef16d78c5b84

        SHA256

        8f2e2c7f9f607b8cbdaf1e276b938f54f6ce3d33ed4a072b6be3c2eb9c2e003b

        SHA512

        a03ea6d3608dbea767c47983019fc372bd6cdb7fb7372d26877c2c720a2f57e9650130324fcfd558d6ea818fb35673fa08d01aa75f86857a9d794b497502a847

      • \Users\Admin\ayhost.exe

        Filesize

        80KB

        MD5

        8ccbe4f27f9710f3e7f75e1d1de57e49

        SHA1

        272e95e476477cd4a1715ee0bcf32318e0351718

        SHA256

        3d36ee15c25b2308f8552e121d885c26b46b4e7fc6dbb41a684bec53e0ae3b5d

        SHA512

        334f56b5158839f521513aff9de334536c86da633bf1a3b78592529275457973ed67fd55a54bef8f88ce918c2863c365cababfbd0ef888a27272906e281105d0

      • \Users\Admin\bahost.exe

        Filesize

        260KB

        MD5

        57d06744cbe8d579531f5704827605c1

        SHA1

        222404c29087c7481127d5616e209e8a8946b110

        SHA256

        42c00828ea0ca557e2f50c49ebc24d3e2ffbd207ad6128e002ee9487be0e7f1a

        SHA512

        1d22108dbca3e6566a14e687077cfca481adf2eb4d6a214e49c2242f4aa3701f1a31037993f3ba78c41f9242666b2b0b1424f983ee660eae2e89b3c492d93093

      • \Users\Admin\d3s3Jf2gX6.exe

        Filesize

        280KB

        MD5

        b3c7427a9509d61a373b377e668c8ddd

        SHA1

        80b7a9d3fea90879ac10e4cbbd70968aaf8f46d3

        SHA256

        b24dacfe819e4b8e04e3d1ae5a82ffda05ce5c870c0ce530f723c29c76fe5a28

        SHA512

        616411ce4b75b80bba9bb901848f9814624deb89a941d4f13b2bc66b63a2eab230354f320a61610bb9166d368a77a3036068f3a7c76d0d0078e71b653e10c7fe

      • \Users\Admin\djhost.exe

        Filesize

        32KB

        MD5

        af152804736fe7af65e4b49633a2d185

        SHA1

        3c2ecabfbdca7b4bfed2fbaae7cfeabe9d439d35

        SHA256

        45b8430d8053f791bfcd0033ae2cdfed2b253a0f6835395055345058ab18c40e

        SHA512

        749461feaacada8ddec990df90ae5f580fb9b6b0bad680015a7067d66ecd785822bb50223dc734d29016cb29dfa98c9efa08d53b99dc0e0fe26193ff12742cd6

      • \Users\Admin\ekhost.exe

        Filesize

        24KB

        MD5

        046275674448c41615014cf770ee4f53

        SHA1

        4f51eb674e199d6b901aaffb55c4aeafb94acfb3

        SHA256

        3c561abc78eb200f46286b30765a2f6bf6b6bc9c6f433b327955d2e0ef6aaa6f

        SHA512

        db35c805e516209d0ee02e182711360ea2a49f7de5c79a01fe448beb673abe83ac638cf1c0b04c4e45f608fad490cdd5f8d2bd99aa0c0c679fb3fc9a77bbe0e2

      • \Users\Admin\zepav.exe

        Filesize

        280KB

        MD5

        df9d425ca18048037a145e974a5a0fee

        SHA1

        7b020120f913ccff2f82dfec273852785f3ac9ee

        SHA256

        12eb275253f330c7cb7ae9ed46d87e9f3ea23404d4bef617d5fa084eca9b070c

        SHA512

        1d94093678bd3c7cf319d9eb93ec5d4482c547dd0a1310e205304b262eda0209a8183bda2a5565215735a92204284b5ffd56f632500bd452087cc415fe676b6c

      • \Windows\assembly\GAC_32\Desktop.ini

        Filesize

        4KB

        MD5

        878f9b6da85cb98fcbdf6abd1730a32f

        SHA1

        343007e658ea541f4680b4edf4513e69e1cc18a6

        SHA256

        75b5a460ed6f47fca8ec1bcd8a11b22f24fb33de4d5f307b851ad20c7f831b7d

        SHA512

        5425844e34ad5e717b08830020526f5c9465f654f3e9e29967b2983d5cb8dc225be2b89cd29a8e4cc99fcfc99e05556f66eefa0539283ab4569e603413a37293

      • \Windows\assembly\GAC_64\Desktop.ini

        Filesize

        5KB

        MD5

        9d7ec1e355ac35cbe6991721ef5ae3b8

        SHA1

        c35a00bd35c6e4a7516b93947be08ead966347e8

        SHA256

        68a3cec42215323100398a8eb2cbb37da7d58fe0fa9c6312e954e0f50a95ca98

        SHA512

        b7c4be28d8e179974672205a50e72fa1ec9e2e8170b3b8ee763e1751a3397c35afec7a72c88f0a79a8566749b2af1ff054660a96c3a6d6508c545d316a035dc0

      • memory/300-70-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/300-72-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/300-91-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/300-68-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/300-69-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/300-64-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/300-60-0x00000000003A0000-0x00000000003E0000-memory.dmp

        Filesize

        256KB

      • memory/332-87-0x0000000000E70000-0x0000000000E82000-memory.dmp

        Filesize

        72KB

      • memory/332-134-0x0000000000E70000-0x0000000000E82000-memory.dmp

        Filesize

        72KB

      • memory/840-137-0x0000000000C50000-0x0000000000C5B000-memory.dmp

        Filesize

        44KB

      • memory/840-141-0x0000000000C50000-0x0000000000C5B000-memory.dmp

        Filesize

        44KB

      • memory/1196-81-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

        Filesize

        24KB

      • memory/1196-77-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

        Filesize

        24KB

      • memory/1196-73-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

        Filesize

        24KB

      • memory/2264-131-0x0000000003D10000-0x00000000047CA000-memory.dmp

        Filesize

        10.7MB

      • memory/2704-28-0x0000000003480000-0x0000000003F3A000-memory.dmp

        Filesize

        10.7MB

      • memory/2776-47-0x0000000000400000-0x0000000000417000-memory.dmp

        Filesize

        92KB

      • memory/3064-50-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-45-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-37-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/3064-41-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-39-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-51-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3064-52-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB