Overview

overview

10

Static

static

5

ac2cf1aa1b...18.exe

windows7-x64

10

ac2cf1aa1b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/06/2024, 00:12

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General

  • Target

    ac2cf1aa1b3f61e65d2031fb96782ac2_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    ac2cf1aa1b3f61e65d2031fb96782ac2

  • SHA1

    5e4c0f6b7ec5be11a7f4030039829840b4a6e70d

  • SHA256

    9202329c1e5149b9fd4a6beaddb750b250c7cd57f8a7e3105a1359bf4e3b6935

  • SHA512

    1f09fb8e24c57d6aa07ff0678ec4e55e783907e36e1385b82c84ff6c4660ecb75e1fffe4477e980599e36f336cc0e79dd2ba9516821e3b5ca93f437560598107

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6+:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

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\ac2cf1aa1b3f61e65d2031fb96782ac2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ac2cf1aa1b3f61e65d2031fb96782ac2_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:2360
    • C:\Windows\SysWOW64\cuvqwjhwwm.exe
      cuvqwjhwwm.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:1880
      • C:\Windows\SysWOW64\dinhaecn.exe
        C:\Windows\system32\dinhaecn.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:2756
    • C:\Windows\SysWOW64\cbthahuomwjuoir.exe
      cbthahuomwjuoir.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2888
    • C:\Windows\SysWOW64\dinhaecn.exe
      dinhaecn.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:2600
    • C:\Windows\SysWOW64\xiflwvhhuqytl.exe
      xiflwvhhuqytl.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2912
    • 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:2660
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2956

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      20KB

      MD5

      bf4a931ac086e9aab510dd2f216de3ca

      SHA1

      a0188b9f72b16ed04b1e896278b49d3d95368e6a

      SHA256

      bb22c15fea6c708a0643de2fa0b8a4598a8e39941feac472aebcf909e9d4f387

      SHA512

      b4aa0a74d860a84d7b9c39ceaf8fdc01ae9393682b77f0162f23bba88a124eb4631904621efe02e496d3e286f81110a0be55603999f6f43fcecae04771be7464

      Download Submit

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

      512KB

      MD5

      ddf5b0c8e0830bd7d26c8c5e5b801632

      SHA1

      4cafe5fea59161d42e54e54992e2e0a02985d057

      SHA256

      3dbc360b768b697802f9c08516a051f17bd1d0b564c113ee825d23464546b4e5

      SHA512

      e02c06e96d08464ab369cd4464b6d1aeaec14234f4002531f75f2f7f0daf43d3dadf0dc531cbecfd217c21b5d4147056aae9dde80d4f92a2c91232ce36c21446

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\cuvqwjhwwm.exe
      Filesize

      512KB

      MD5

      123774e97e356987be9e103b8db2c100

      SHA1

      51ec418f9379668843fc5ef4df8600024c4bf36e

      SHA256

      d555e4400d8530b40b88e9cb78dc06736a33c91561a56c19fe753dc612f5ae01

      SHA512

      359fabd0ba17f22ccc879b656918c6551981f8b4e9e75cb8d4958a2ac19a20749fde293eb9d7d727cff19c9ded98aaadfc96ae251b74a2009b3f59d632582842

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    • \Windows\SysWOW64\dinhaecn.exe
      Filesize

      512KB

      MD5

      007462547c5919a9febdc397ce9d750d

      SHA1

      9c4316c5e45be8a3117b919d43140ce77ab7f327

      SHA256

      26e3677880a821415a3bcf2eacffd62a9e4967d439936e11cfa7b9a44a0f8ad9

      SHA512

      29a9731e4bbc3a476a0f8fcaac72c637eabb4d2ff8999d9db354714fd3e6aa9a7208d929bcfcccd93739f09d4ed24e1ec4de6db6815ed18327875e5499b842dd

      Download Submit

    • \Windows\SysWOW64\xiflwvhhuqytl.exe
      Filesize

      512KB

      MD5

      9e34c4a88f69976ce7211532672d14a5

      SHA1

      d76a346eb39a8eb4c839e6309fa58110234e36db

      SHA256

      2f45c7dfcafdb665e1c7ea926c49a44b42f0d0a36078ed58d34c76f15d1be4e6

      SHA512

      bf5f1978b0ab050a4a40daf259e00ca655335ee97485306ea8fe1763f16b31c49f8a2e8e7c4e8d2f8500526af4b774d2748c04d7c715b49280961448b6fa66ee

      Download Submit

    • memory/2360-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2660-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2660-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download