Analysis

  • max time kernel
    6s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 21:26

Errors

Reason
Machine shutdown

General

  • Target

    81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe

  • Size

    151KB

  • MD5

    81c889741b0aeee644495da9e89b0198

  • SHA1

    ab1d6baff6b2252406b7ca9065d3e0417de90bea

  • SHA256

    7fefe0ffc332900a888aeb763e845bb5d9198c5756d812f27d45aa43e6013477

  • SHA512

    7d752f09558fc20482dc38a26f7bf7e031a20bff2664f4d443bc039f89068c1253365d9b02703573bdadce8a1a09c6876379a362318526d44c501a47c7efafbe

  • SSDEEP

    3072:WPXkW9G8ZTK/a9LhuctP81VlnYV1+vnDKMG/Ygxdf80AeRcL5:WPXkW9pF59l1JwDFvnD2Xf80AnF

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c889741b0aeee644495da9e89b0198_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:2540
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2052
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2900

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2052-6-0x0000000002E10000-0x0000000002E11000-memory.dmp

        Filesize

        4KB

      • memory/2540-0-0x0000000000413000-0x0000000000417000-memory.dmp

        Filesize

        16KB

      • memory/2540-1-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2540-2-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2540-4-0x0000000000413000-0x0000000000417000-memory.dmp

        Filesize

        16KB

      • memory/2540-5-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2900-7-0x0000000002B30000-0x0000000002B31000-memory.dmp

        Filesize

        4KB