Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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 3 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea73f5277332dfde3db82a64963ab18_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2540
    • 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
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe C:\Users\Admin\AppData\Local\Temp\3582-490\..
        3⤵
          PID:2316
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

      Filesize

      547KB

      MD5

      cf6c595d3e5e9667667af096762fd9c4

      SHA1

      9bb44da8d7f6457099cb56e4f7d1026963dce7ce

      SHA256

      593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

      SHA512

      ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

    • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

      Filesize

      252KB

      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

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

      Filesize

      72KB

      MD5

      fa9a453d7e3d35de14dc049ce1aff5d0

      SHA1

      df3c19e2316a01c7a69c539a85168910409de550

      SHA256

      b8ce099f8da870f3a4a94c8f999452978867d95c992525551efc18cc58ed7fe3

      SHA512

      2c0094eab7f2b4df0f58ad1aec890c95fe913e788149064d69c757b5b722b4c03944a9f57d700a942106300b577226d1bb74a1904e4d364b7c528c907a13223a

    • memory/1648-67-0x0000000003900000-0x0000000003910000-memory.dmp

      Filesize

      64KB

    • memory/2540-11-0x0000000002010000-0x0000000002038000-memory.dmp

      Filesize

      160KB

    • memory/2540-10-0x0000000002010000-0x0000000002038000-memory.dmp

      Filesize

      160KB

    • memory/2540-130-0x0000000002010000-0x0000000002038000-memory.dmp

      Filesize

      160KB

    • memory/2540-139-0x0000000002010000-0x0000000002038000-memory.dmp

      Filesize

      160KB

    • memory/2540-148-0x0000000002010000-0x0000000002038000-memory.dmp

      Filesize

      160KB

    • memory/2540-149-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2540-151-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2676-66-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2676-13-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB