Analysis

  • max time kernel
    142s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 02:16

General

  • Target

    5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    5ea73f5277332dfde3db82a64963ab18

  • SHA1

    ad6f0147a9ee107b350f8f8ed47dc551d8beacd3

  • SHA256

    5cdf28f056d2c46c16b059f65670b17a2c4d37c271926b9d9a6f5bdad6d723b3

  • SHA512

    8037adaf24b26d3f0de092394239003bb98584fb3512389832157dfe9957d1125ec50caa24095070cbe790cff074942ed261168eb8220c6e0657711c2b3a2d2a

  • SSDEEP

    1536:JxqjQ+P04wsmJCxgGgEckaU9F2aYy9IszEznVnT+Y9ocLA8nyq6EQN:sr85CSxE6kYznhT+Yocc8nyq6EW

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 21 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3540
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\Temp\3582-490\3582-490
        3⤵
          PID:3756
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Temp\3582-490\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe

      Filesize

      72KB

      MD5

      fa9a453d7e3d35de14dc049ce1aff5d0

      SHA1

      df3c19e2316a01c7a69c539a85168910409de550

      SHA256

      b8ce099f8da870f3a4a94c8f999452978867d95c992525551efc18cc58ed7fe3

      SHA512

      2c0094eab7f2b4df0f58ad1aec890c95fe913e788149064d69c757b5b722b4c03944a9f57d700a942106300b577226d1bb74a1904e4d364b7c528c907a13223a

    • C:\Windows\SysWOW64\vcmgcd32.dll

      Filesize

      36KB

      MD5

      ae22ca9f11ade8e362254b452cc07f78

      SHA1

      4b3cb548c547d3be76e571e0579a609969b05975

      SHA256

      20cbcc9d1e6bd3c7ccacbe81fd26551b2ccfc02c00e8f948b9e9016c8b401db6

      SHA512

      9e1c725758a284ec9132f393a0b27b019a7dde32dc0649b468152876b1c77b195abc9689b732144d8c5b4d0b5fcb960a3074264cab75e6681932d3da2a644bc1

    • memory/3540-9-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/3540-17-0x0000000010000000-0x0000000010011000-memory.dmp

      Filesize

      68KB

    • memory/3540-226-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/3540-227-0x0000000010000000-0x0000000010011000-memory.dmp

      Filesize

      68KB

    • memory/5044-317-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5044-318-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/5044-320-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB