Overview

overview

10

Static

static

5

05f1a6f2b3...18.exe

windows7-x64

10

05f1a6f2b3...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 19:51

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General

  • Target

    05f1a6f2b37aab8a86235cf3dfb4d535_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    05f1a6f2b37aab8a86235cf3dfb4d535

  • SHA1

    edb8e86bbc0aa9e5bdc25899772b381abb31bc99

  • SHA256

    d4e6a7f307f0f6b685dd293054dd2f6e51a0acaf7f59fb8c577a886b407b30a2

  • SHA512

    f57605db01d72994b926c1aeb011591fcbe9635799b34425a1f8e7db0f39ffc5a5a602bf099acb21d6295cc43018f489c049a891019e3b538f4e80ef4cfc9183

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6k:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5d

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05f1a6f2b37aab8a86235cf3dfb4d535_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05f1a6f2b37aab8a86235cf3dfb4d535_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\xrikfexfpo.exe
      xrikfexfpo.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\pfvfcwnp.exe
        C:\Windows\system32\pfvfcwnp.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2612
    • C:\Windows\SysWOW64\ybnxoashtthulvf.exe
      ybnxoashtthulvf.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1740
    • C:\Windows\SysWOW64\pfvfcwnp.exe
      pfvfcwnp.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2596
    • C:\Windows\SysWOW64\joqjihhxqlgef.exe
      joqjihhxqlgef.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2688
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\OutClose.doc.exe
      Filesize

      512KB

      MD5

      bda2ef5c99260f4e0f0c2f24a5c29332

      SHA1

      ca0d7ded7b50e2f626812e779998f00e13540afe

      SHA256

      1c91bba06b07fe905e68bd95107b864e5c740a0a822a3e56513a295c9d92150c

      SHA512

      e43a32a70e663ba57aae46f549abf95943d29d69c3bdfe3da49b5ce905365aae00a6128b380b5d54612dd157dd208854c73ca5ccea65191035aa945097793056

      Download Submit
    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      11b73f207aa072f9fab70c7f9ac752d1

      SHA1

      793e2b0937d968acdb76ab12485c779cf16bd853

      SHA256

      6fdc87a904e27d6e4c41ff7e8ff06df88731c6a9be8ae093adcec704103ffc9c

      SHA512

      46b8903b328236501ba64581d848bab5766d35d907b872513d30b697790ad95bbc3e5e3b99456ec29803e037fa2bab2a29b7937cd35bbd9debc41a7121e80567

      Download Submit
    • C:\Users\Admin\Documents\RestartSend.doc.exe
      Filesize

      512KB

      MD5

      712c0dc09582232e78e1934d63394cfb

      SHA1

      fd8083d3bb2715808a8737b2364784ce409e5cd0

      SHA256

      e068c3940f675d0e158e16b181fd8199f7dd51c97fc7fce1a08cd74ddcaa5c8f

      SHA512

      74737cdc1f944a1284b652320f1b95e80cc8289bc6d81c0f71d47f94504f5e7d6a915e12bd195e03820d7c789e61931599acb4bd201402a5e088df157d943daf

      Download Submit
    • C:\Windows\SysWOW64\pfvfcwnp.exe
      Filesize

      512KB

      MD5

      f879dd3049f45fbd329eee3df8c16c5a

      SHA1

      35debd0a87608afbc0243ff6520f4927955b3e99

      SHA256

      794ec8be11ab3707c1bbc284430360c91426a86073c9c69f042f130f2441cfd1

      SHA512

      056d5180e63b8b30d014f87b66d03cd70ab676abcf7eb623530dc93c293be2419575b25fd47ffe6ad12f87dee9062b48507ad13f085d3f16a748bf25d9c2f312

      Download Submit
    • C:\Windows\SysWOW64\xrikfexfpo.exe
      Filesize

      512KB

      MD5

      371291f83cdefd7644e94d1a3f64b580

      SHA1

      33b409496def28020b4a1eaa6d56c494daab93cb

      SHA256

      69cf6bfd349342cccdcfae9014804d20e026217bd884ef365608f5048d4e9a15

      SHA512

      aa8539c28f917339ea6451e1730c23d246f6016f01e607f4854e0e05546d7a12c2a2eacbc9bda802c650d9e0a103a7d316964f085c98745b2a23b4a32224a690

      Download Submit
    • C:\Windows\SysWOW64\ybnxoashtthulvf.exe
      Filesize

      512KB

      MD5

      842bfe6857f360c9bf98488413d1dfff

      SHA1

      8b4e69443a8a82cb17ed09df3e3034ac467d4dfd

      SHA256

      e8e4422e7aeab37e6f33706abad4af3697208bdf1096df6533004314d2d0537c

      SHA512

      dc2411c679a4fc7f08139882544ac140d41485be718a880d594045ef7bc580e54c6c85c03f9d6b57bf44063d61988c7d10a93c23bde6e68b4baa66228d475414

      Download Submit
    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • \Windows\SysWOW64\joqjihhxqlgef.exe
      Filesize

      512KB

      MD5

      3fbac477a4c56774ed37f87c2eae7384

      SHA1

      69a72913a959ede7d52a6dbc12695613d8630934

      SHA256

      7162c36a841f49be00240d4784db068dc61a688f0e5d70cd61d99202edb70025

      SHA512

      057e91f60b6aa21a6d0f10a7a12e3e9d01ee7ef9e5dab5c352f7d19a6511bef6533328318d8203173c3e830b46c8fb8c485add731866400644ea2bb99479a4f4

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    • memory/624-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2732-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2732-101-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download