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Overview

overview

10

Static

static

5

0735fe97a8...18.exe

windows7-x64

10

0735fe97a8...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 08:16

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General

  • Target

    0735fe97a869d158d178917687cba38b_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    0735fe97a869d158d178917687cba38b

  • SHA1

    255a1bc0456365e8bf1382cd4e59c938eeffa9b9

  • SHA256

    2ce93a0ce28c4e7aa1e970b3880e057842e3dd19135ca7124eae8e86088813a9

  • SHA512

    b141d76e6da578edf8f10357a9d66e0eb7e6fc7d2c6d5fc9884b7589af4974dbac9490a930d25568766327828e8d35132ce6bb05c04e36a731061215564056ab

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6f:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm54

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 6 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\0735fe97a869d158d178917687cba38b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0735fe97a869d158d178917687cba38b_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:1756
    • C:\Windows\SysWOW64\efnjonmxcr.exe
      efnjonmxcr.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:2588
      • C:\Windows\SysWOW64\vbxykykc.exe
        C:\Windows\system32\vbxykykc.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:2584
    • C:\Windows\SysWOW64\etvcjjrfwhyiewm.exe
      etvcjjrfwhyiewm.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2664
    • C:\Windows\SysWOW64\vbxykykc.exe
      vbxykykc.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:2572
    • C:\Windows\SysWOW64\gibncxfxrszse.exe
      gibncxfxrszse.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2456
    • 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:2452
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2336

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      3c4ee00ca27ad9afb2582b6dd3cfcfc9

      SHA1

      28929a3d51cecfcf3c634f263667927a0b32ac83

      SHA256

      9d68e2cf256ad55ca8b95abec060cf8056e29591713a0a1384fcbccae6964271

      SHA512

      e06398080fd8cef78f80ddf9713475c47b1168782233b73e2ad9fe0141ba1033024b0be69bc675a63fbb32cb8e89ff48b14062f90fcb0748f200ce181818695a

      Download Submit

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

      20KB

      MD5

      410674ea478783fac14865e6f3e2194f

      SHA1

      12a0b7f7f155c208977a8438a3d6dedc783d6c17

      SHA256

      eb6af989d19324c9ce20b2a5bd93885626bcb598c919034b7ed24d28333c9a13

      SHA512

      ab870ef0173f2f76724317248702787bcc28b47dc00dacc0478789e197c896d9077cb3071079f29fca261715aaa928bf19a0d6a789b046a7c4c3007c8359ae3b

      Download Submit

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

      512KB

      MD5

      072e4fbc917d35459177c71892401fc9

      SHA1

      9796982ada86deccd8bcab227fdeb97a0c88241f

      SHA256

      80ce52ecea8f68b1ea5cae008e9d7e8e9445bf0d1649bd6eb840130b7c0f6bcb

      SHA512

      7ec607bd0ae32c1062a53ea2a7d12052362482ee718351912d794e2d0e048c7add506bfa1aa62032147dbf96d2ef0d81a046b2c88d1bf0deb05d97ff1bb1bc75

      Download Submit

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

      512KB

      MD5

      c915c8e3bce51166be2273d72bf01f74

      SHA1

      4284792c7de8d653fe772a8c55af15dd26a36c06

      SHA256

      ec2c687213bd42961017ae47891088cae7f391942796fa11adb2f0727c65ab76

      SHA512

      f35ffd4c2c19c62962bb0c211b596618d3ff11f4ff334fdec761b59309871048679fa17f07dfb77ff9985f525a3a4d1dd6be5911884da25d9134e8c8b7eb0062

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\efnjonmxcr.exe
      Filesize

      512KB

      MD5

      b55d5dcd92c4174717a31dbc94a58b6b

      SHA1

      32b7e074219bce59993b538bf3d6506af03855ef

      SHA256

      853962de16f1cfe5695dd146f71cae61721464b5b5afb4c7af3df285e61c45f6

      SHA512

      02c460833c70420e63911b7a968cdf41dc749601b93bd37a10e9bf1c044c25a34b8b32a3fb6c5cf14ff1735a93754e69afd05d0a956547ba51cfa4110edc28c0

      Download Submit

    • \Windows\SysWOW64\vbxykykc.exe
      Filesize

      512KB

      MD5

      97e825926b3b46c8d7341b124418ba8b

      SHA1

      219ed8201db310bf27ba7e19ee5139aab883dd26

      SHA256

      e7a6b92ffc035c18e8287f60fc2abc312ea964bbb50800d9bfc074b74028fd01

      SHA512

      94fce40314d5265e7cda5b393a5f8b357ec2a0c49d1484e7ef00ccdf8e0c289817954324ae4a5bf4b7b586a4a2ed6003914cdd0c2920166e41b73e2d065630da

      Download Submit

    • memory/1756-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

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

      Filesize

      64KB

      Download

    • memory/2452-94-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download