Overview

overview

10

Static

static

5

6fe3cb2dc4...18.exe

windows7-x64

10

6fe3cb2dc4...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 21:46

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General

  • Target

    6fe3cb2dc4388e19c65af3d0db5525ec_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    6fe3cb2dc4388e19c65af3d0db5525ec

  • SHA1

    ff5812a826a147795cc8c8ce9420e6bac9c49ee1

  • SHA256

    5cef037a03b7fcfed6eb99589fa864213689e61e8582476d135aff73d6761eda

  • SHA512

    da8aab36d9d1870683f3837af83f5f34fe3afd52583e5b71cfbd254e1772717d6d8c7acf697c93b3b1ed391f5c6fa7d948fa5aaeb15815d59e8805cb1c01fde1

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj64:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5L

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 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 28 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 36 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 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\6fe3cb2dc4388e19c65af3d0db5525ec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6fe3cb2dc4388e19c65af3d0db5525ec_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:1736
    • C:\Windows\SysWOW64\wjyexttmyv.exe
      wjyexttmyv.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:1760
      • C:\Windows\SysWOW64\efpdhgnk.exe
        C:\Windows\system32\efpdhgnk.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:3068
    • C:\Windows\SysWOW64\tdoloqroighrmve.exe
      tdoloqroighrmve.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2696
    • C:\Windows\SysWOW64\efpdhgnk.exe
      efpdhgnk.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:2252
    • C:\Windows\SysWOW64\jtjpfzsinfhos.exe
      jtjpfzsinfhos.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2664
    • 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:2832
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2316
    • 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:2732

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      512KB

      MD5

      85a7ef831fa8c24e40b342dfdda700dd

      SHA1

      a3acf35dd441ad2bd799b541fc4b61ef5b1338e6

      SHA256

      72ba2c643dbc774f10f66c0ebf5bfb9ee328da443bcc72d446c38586b50e3068

      SHA512

      5999655e757034db0232eeed465bae093b78fca025ad57d7b8accfa83df74ed8606654e7b158ccf1f9b66aedf332649329cc3fd594f16c993773bdb7fbde226c

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

      512KB

      MD5

      e266f836038f98001302be72f106cee1

      SHA1

      e1c5828bd168b94e6078d8fd396bd81f56c76d27

      SHA256

      2817dae6ae33ae3d83bc90362da9f2f630ee6921b90333b5e0938ab715405835

      SHA512

      8bdb3775189741c34389431d6397baa35c622215f6c7dcff6588db7084a27f77e926faafe6a5ef504d6f1a30618f604fb685eb3692b97ce7e3b5f8c117f5665c

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

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      512KB

      MD5

      e61e91bd2043dc8bbc4db709a0e056b3

      SHA1

      9e3faa4f03168aea886c8f0de7a2192b3d8f302f

      SHA256

      afacd4bc5d61bb4f33bdcde381af208ce4e03c1e455528331cde7393fe0d9b12

      SHA512

      d99737e8ff6d2590c95e41733f0e9de1243b4a67248f48285eae9e96486211d3b820b11d42a262754ac2de4bfd631599e6de3e8df68afca5670a0165d808bfae

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

      512KB

      MD5

      7ebb2b8e84f3381218673d6df27b7640

      SHA1

      8eef89ca52ada3ac9a7da286532425292a93e707

      SHA256

      7a8f0ecd90dc85fb9abb8a6cc71fc6efcd0dcb0e8b2f86ee02d22bbc544eed61

      SHA512

      77fdc5db893a27f50338f208586620387ee006075cbab2c8a5853793897ef04efbe236dd7bc3873a9ec29f4cda15cc12f9427abff48e8c3a1e6e76a46e023394

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

      512KB

      MD5

      075eb2c0d606cadc232421b394bd5f88

      SHA1

      60ca83d4b15d5037cc67cb87dd43ec825f47ea14

      SHA256

      ae67e0dd9573546e3f148de805ebac7d28b363a27081ba4dfb5741d9ff32cd81

      SHA512

      80dff9268aa875e7043fa826509593cc9b59f63d604d8dd85fd9d3f51124c971624dac7d93fd39eba65e9bc55ad247110294dfe143ba60c2122f1eef09170d6e

      Download Submit
    • memory/1736-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2732-87-0x0000000003AA0000-0x0000000003AB0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2832-51-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download