Overview

overview

10

Static

static

5

724ba1583a...18.exe

windows7-x64

10

724ba1583a...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 14:39

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General

  • Target

    724ba1583a52b21b4446680bc7d1053a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    724ba1583a52b21b4446680bc7d1053a

  • SHA1

    bdd079bd92361afbb79d1efac762030ed7e30650

  • SHA256

    b2746c8f9d1df709ca9a3c341987c180bf5d0dbc057cf7b0eecfd96af0d74474

  • SHA512

    bac01a30bdcb172554712582ca42d892fe04c7c7c3b3258206215851923f03204516f04bfba0a7d8434139ac4cd0ee77e198fb28303d9c6107a94df45ddf192b

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6E:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5J

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 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 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 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\724ba1583a52b21b4446680bc7d1053a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\724ba1583a52b21b4446680bc7d1053a_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:2740
    • C:\Windows\SysWOW64\uzpiovuenk.exe
      uzpiovuenk.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:2940
      • C:\Windows\SysWOW64\rhjznauy.exe
        C:\Windows\system32\rhjznauy.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2724
    • C:\Windows\SysWOW64\hdkmssyyerlhekm.exe
      hdkmssyyerlhekm.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2600
    • C:\Windows\SysWOW64\rhjznauy.exe
      rhjznauy.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:2808
    • C:\Windows\SysWOW64\flkwjegzxegas.exe
      flkwjegzxegas.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2576
    • 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:2452
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    512KB

    MD5

    9b5de33536baa4f82c39ed30b105db7d

    SHA1

    1cc0979098de7ca2fde6e490e564e7467e2be7d9

    SHA256

    f3462e20d9d80d4e835489430d95d110ece787079a611f7f6e36e9b9a22a3cf3

    SHA512

    eee2bb464847aa85224312e260645afbd8a5c4d642608608d8fcacd598575457f1031ed82a0a4ab1e4aec6a34296154dce223bb203546c4715e62324b7037ffc

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\flkwjegzxegas.exe
    Filesize

    512KB

    MD5

    35f07ab8d2ecbada6f6d2797ce130bef

    SHA1

    f0fb7b886d9d173188d0b3e2c129b88fbd202bc1

    SHA256

    50d6cecce86cf7db83203daccbe1b3e681d8d10451d45e5481c595fa2db0a251

    SHA512

    694a1e210a6c6e03c6e4382c5f2de986cdd457cbf7b8201cd35f429b2c8ebb8dcd56f41816211a1281856f176e592fd773beb309351234b0e76e021bfcd868f8

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  • \Windows\SysWOW64\rhjznauy.exe
    Filesize

    512KB

    MD5

    92dbc02d0e7c2a9a7b8a9e15120ec543

    SHA1

    d31837bcbe09b7430fc3168dea9d090669ac1561

    SHA256

    95c50c48880cac2efd25a9c68f534aa441c4f3181e90345bf6f399be01baa5aa

    SHA512

    ad08cd0a997cf68f0fc4c5634ab5493638efbe6df35318c3864442217f29cc112031e1ddf2f931dfbe9d302f51632343527b5698b42e2d811f4935cd0727d817

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  • \Windows\SysWOW64\uzpiovuenk.exe
    Filesize

    512KB

    MD5

    1d9a62d082a1fd446bc8790aaf352728

    SHA1

    24f1a81b6987ded368188cb9ec7e16e2f45ff4a9

    SHA256

    8a274e59b4d56685ebbbe6e81f575165f93541212daa76d332b9f3d3bc103454

    SHA512

    3164d1a162a0d1aefabe9a96feb7b594110111d83b83458934574d209ddf969f3ebf616b2df8853956c453cb8cb9897d70a2bd9cfdf95a2c830200c8f8d51b7c

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  • memory/1800-80-0x00000000029C0000-0x00000000029D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2452-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2740-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download