Overview

overview

10

Static

static

5

ebfecbef6e...18.exe

windows7-x64

10

ebfecbef6e...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 21:09

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General

  • Target

    ebfecbef6ebe273d0c5bad983b5b7477_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ebfecbef6ebe273d0c5bad983b5b7477

  • SHA1

    2f5f13a0b225c472bc67408160d17165c44a9247

  • SHA256

    2150e17927f0a9c7996df6ab4346f20a8f0951863b49f597b190d02e294a0f87

  • SHA512

    3efeb44882f2f7a99b33862216a3c8ca2bc08a51206d6c75edb7c1368db593c488c87ccc5a5a5ca52c032eb8e4da3761301de9b60058e2d60afd40276e93adec

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6I:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5V

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 15 IoCs
  • Drops file in Windows directory 4 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebfecbef6ebe273d0c5bad983b5b7477_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ebfecbef6ebe273d0c5bad983b5b7477_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:1740
    • C:\Windows\SysWOW64\bjuikwwzss.exe
      bjuikwwzss.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:2604
      • C:\Windows\SysWOW64\puewfdpo.exe
        C:\Windows\system32\puewfdpo.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2456
    • C:\Windows\SysWOW64\ushvaknamthogfz.exe
      ushvaknamthogfz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2620
    • C:\Windows\SysWOW64\puewfdpo.exe
      puewfdpo.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:2532
    • C:\Windows\SysWOW64\ihkmxtafbtuev.exe
      ihkmxtafbtuev.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2712
    • 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
      PID:2432
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:932

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
    Filesize

    512KB

    MD5

    1c8b4db5a302ec7b9a7763ad881eec5d

    SHA1

    b01a38b6401effce6a670874a5e3614fa4a1335f

    SHA256

    66b03ceff91c48efbc267663c9f80d94a16c2726ee896859d7d1a72bbbd97849

    SHA512

    aa92190600e8fd422ea908a52570fd6e8bb7414c6d8be2dc792c8e3598eccc8b5de584401c7f276eec8402a0be474356449675c7b4de3cdc43e46c036c591c83

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  • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
    Filesize

    512KB

    MD5

    bb8c104b97b4e715bc065e3ad5d64eff

    SHA1

    43333338a18da2f977dcb1ef01a8a48e7f70840d

    SHA256

    114daae9849a55ae0b2aacb1e267316ea8432a588236c8b44dd7be32e86de924

    SHA512

    5d03d1a1d855fbe4e0136a640c6f3197763af5a821cac0838eb263ef09db2733455c36e8486a42817c4e321b8c19b46fbadcfe80943e1a7ea9fbd9fbc3d24df7

    Download Submit

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

    512KB

    MD5

    7194803676aab03062e6d53a74c05fe5

    SHA1

    7f04c458253bbf85d2750ef328e885dbdb47a507

    SHA256

    76b243dc56a3670f87ef105043b137eda5debb1ee945de776e91d1f87738a170

    SHA512

    8c9da013cd5fa7d3fecc82af1d6f430dbc64926f2f86d551714a054a3f2e281d10cb7706c21a0bac93d33479b6a973a1ca9561f3629bfc6c6db181ffb1e1d6d1

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\bjuikwwzss.exe
    Filesize

    512KB

    MD5

    2bbdf31fa4a20ce46a0614de183f7621

    SHA1

    ce66441a9ba017cc7ee8b00b05ccdd4e3be53cbb

    SHA256

    9ddb9d2f711aa64931fb1114bbfe6e4c7937da1988cef7ac655d3e385485d42f

    SHA512

    e32cb839dcfcc66fc8c38b3bdc76b724400efcd906b5859f4daf74152736be9847efefaff7efc4bae706b1635e8b0f1de48461852cd1463d196ca5b7525c9c63

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  • \Windows\SysWOW64\ihkmxtafbtuev.exe
    Filesize

    512KB

    MD5

    726916e4878ce1501586d517f2d255e2

    SHA1

    6ce0404e853c2c600d83507e12034f03b529cc79

    SHA256

    2d2de58589dab0ee8a2f6c9b8440073e0670482cd37e24c13b86e7e13afd09d7

    SHA512

    1fb8835fb0b2f2ac028bc69861ef0eab78898d5e692fc45920daefc12af10b892bdb1a87415c48ced07ed938b14ab99d67b8ef38647dc8d7449246fe3e00a8b9

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  • \Windows\SysWOW64\puewfdpo.exe
    Filesize

    512KB

    MD5

    d40a7eb7eab39c4f2129c93a464b977e

    SHA1

    6eb34de79400345fb8dd6175e9d1a519a600fc4b

    SHA256

    e272599a78aa331295dfd90068799b3c281d2f8d7baf3573404f4da9377f7957

    SHA512

    d346e74ec13f890e193aa51107a60cfbb9b5c0852113777b25359fa288630ddf5c11052cf03fa8efe21681051928184126bc8dd190b31868014fa6d2ae021525

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  • memory/932-71-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/932-74-0x0000000003FB0000-0x0000000003FB1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/932-79-0x0000000002710000-0x0000000002720000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1740-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/2432-47-0x000000007161D000-0x0000000071628000-memory.dmp

    Filesize

    44KB

    Download

  • memory/2432-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2432-45-0x000000002F441000-0x000000002F442000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2432-72-0x000000007161D000-0x0000000071628000-memory.dmp

    Filesize

    44KB

    Download