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Overview

overview

10

Static

static

5

7f9d1ee58a...18.exe

windows7-x64

10

7f9d1ee58a...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29/05/2024, 05:21

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General

  • Target

    7f9d1ee58a41935047dd6e5127cf671f_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    7f9d1ee58a41935047dd6e5127cf671f

  • SHA1

    2a718220cf80fcd26ebd6ffdc81e81fa949e704b

  • SHA256

    076fbed368d515a4f27a373038975d3120d2c1b6548e2ff1d8a0b3c72338db1e

  • SHA512

    79df0a835b96c68a621bc0fe2ffe156a0e9c0d990d16687a579757b34934d8f59458bdc5197f0f4dd67c2e0817957d1f610ffc3214effbe0e2fe0b0bf78b8a02

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6/:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 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\7f9d1ee58a41935047dd6e5127cf671f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7f9d1ee58a41935047dd6e5127cf671f_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:2180
    • C:\Windows\SysWOW64\usyumcwlwt.exe
      usyumcwlwt.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:2388
      • C:\Windows\SysWOW64\axqajvgj.exe
        C:\Windows\system32\axqajvgj.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:2844
    • C:\Windows\SysWOW64\fxlzdhxhywxxwlr.exe
      fxlzdhxhywxxwlr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2656
    • C:\Windows\SysWOW64\axqajvgj.exe
      axqajvgj.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:2784
    • C:\Windows\SysWOW64\hvaqccwlnpwdn.exe
      hvaqccwlnpwdn.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2640
    • 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:2684
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2604

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      20KB

      MD5

      3a9ea7c989a683c087f170320e55f5bc

      SHA1

      815a4cd9deaf68dcf81897a29e2d7adeccc9fee0

      SHA256

      71e302649e8e8d5196eca3a36b238e12cba65f9afc553595af9144d1f6f76830

      SHA512

      1ac6e62fed1f584f322dcb568d10f3264f5c3fe4471abeb30253340831f0b19aa70eea15570f55697f88df465dbcc1558a9a2278d14c5d3482ab3d5f6f664b13

      Download Submit

    • C:\Windows\SysWOW64\fxlzdhxhywxxwlr.exe
      Filesize

      512KB

      MD5

      94dd2083475bd922d7c63e10888257af

      SHA1

      417cbde34bc35f45513eaba8c617f8943771344d

      SHA256

      4ed371fd458c3fc9a624b5301e5004126cb229a309d73a016a8fbfe1378b2d94

      SHA512

      1c8fcbadfc2b3c8132c1e48e3265fcbf6fff94a4b9616a6cacb1abdae97b15b168dcf7b33d09f66155d1650f1d91e62cd97dc0b9cd3aa7343463207dcaaa6a14

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\axqajvgj.exe
      Filesize

      512KB

      MD5

      0b11c914d0eb8dbb3815db62a4cb247e

      SHA1

      4a659fc4673d04d17c3ab9299d4d91406feeb5e8

      SHA256

      bcc2da16841acf5265f4649b8d9af7c5a94e35d6e2ce4c63cae2acb474023922

      SHA512

      878eb0bb4a85021889f3e0506bf57f58617a5a1b86dc7e02b7ef6f1e31ed05239baceffa1a34071d06fff0b9853c7555f2e9db451eed1b5d6b9df33c1483e120

      Download Submit

    • \Windows\SysWOW64\hvaqccwlnpwdn.exe
      Filesize

      512KB

      MD5

      3a80f87fc3009fbd0dedec3d1ec0b676

      SHA1

      900ebf96df2eafb2d5635d6b66dd8db6b4e90f0e

      SHA256

      a4510608c2c3a87ddd3112e71d6aa3e348d5b10a101633bef38dff7e8fd8ba9e

      SHA512

      5ea6b52743d40f673b34bf5395c921a9f1cae9b95735fa13f3d86e5021c9746540d2670be1954f7c68781a423b028c057ec79210d29d1ee60edd088ae7bb3f38

      Download Submit

    • \Windows\SysWOW64\usyumcwlwt.exe
      Filesize

      512KB

      MD5

      734fe4c1f9dd778f02e1ea7da66c3d42

      SHA1

      c15cf01108b596df4eb303e49e9f124320de2dbb

      SHA256

      7f0659713a0dd2900299f086a1c4ff75af0734ea0f6e53979b1aa283a1c4252b

      SHA512

      d2babc5f08910c2320d95d2a10807068d177cb5feefbd29044ce12918ffbae888526cabf16ae76a616a25fe1b1ce21c633fb3f373de1716aebf9f87823afc894

      Download Submit

    • memory/2180-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2684-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2684-100-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download