Analysis

  • max time kernel
    144s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22-07-2024 23:04

General

  • Target

    6528a15d6466aaf7ca5a0df70b7cb60a_JaffaCakes118.doc

  • Size

    241KB

  • MD5

    6528a15d6466aaf7ca5a0df70b7cb60a

  • SHA1

    147185525ec1d8aa95689a470c88d20dfcb8776d

  • SHA256

    3d68c11b2a1a203b1ee6687331f944a7ec1f765fbf979143bf51b860eeb5ee15

  • SHA512

    c997fbeb168c112ed918bad3ab5b2e398166d92003fb553d1baf80d6ec64930499003559fa251ae90127aa8494a525701961c58e49479b08d853fe5022d9f6b9

  • SSDEEP

    3072:Qvw9HXPJguq73/IKBWyqgdScYL/+KhPFHvfD:QvKHXPJi73wAhUcW/+K/Pr

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\6528a15d6466aaf7ca5a0df70b7cb60a_JaffaCakes118.doc"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2808
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • Abuses OpenXML format to download file from external location
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{09633ABD-9889-451E-B4F3-9762D60C3F3F}.FSD

      Filesize

      128KB

      MD5

      8d27a479d9898df3cbe2717c1b1163de

      SHA1

      72f60d5dcf5c4d4fa3a655181e0240b0ee8bd886

      SHA256

      3d6436eba5e746f28af41f7025305d52551396d154bc9c4825a190d915210d43

      SHA512

      163a431f15273be2f00c312e2fbf58123acda0997830c1b58c0494f956aee695a9d6dd93374fa419a7fd29651202cf9253acbe447256a0f14e86bffde1d71757

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      d17987f995a258b2cb704d46ee9ff88c

      SHA1

      4535aa52bcb9074a54495faf419502503e8cc909

      SHA256

      0378ae59f4b345ca2513e16452a940aa94b6a6ea21d64a4d629695b5ed42b4df

      SHA512

      bd03eb38c1a39164d9341a4ea6a2320bc517b30baaeaf571eb71bd9e1ad73217760321414856a4eaeda31d2153caa0a8e3c8cc903a7ffd2489c1de4a3c1144f5

    • C:\Users\Admin\AppData\Local\Temp\{648A337E-2ED3-4B49-A630-E1EB23DE3612}

      Filesize

      128KB

      MD5

      425d01699e251254d56f6a9e153a4a6b

      SHA1

      cd24b35f868107df5bbd8de74f91f3c086d3ce68

      SHA256

      0a4706807e0b455fd6a1eeb36a2bb881e2bfe4273b14781114a340012e811ef0

      SHA512

      19aa80b74b00d1f07ffce842a1b3e79fc5e073aeb204d23f1a00a8ab3b6707082d18bda99321d8aefffeb1cc7dd311811932d8cfb9e49e5696476bd22308b5d3

    • memory/1892-179-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-372-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-61-0x000000000F3E0000-0x000000000F4E0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-62-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-113-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-227-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-275-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-0-0x000000002F781000-0x000000002F782000-memory.dmp

      Filesize

      4KB

    • memory/1892-324-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-60-0x0000000005130000-0x0000000005330000-memory.dmp

      Filesize

      2.0MB

    • memory/1892-469-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-420-0x00000000003B0000-0x00000000004B0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-516-0x0000000005130000-0x0000000005330000-memory.dmp

      Filesize

      2.0MB

    • memory/1892-517-0x000000000F3E0000-0x000000000F4E0000-memory.dmp

      Filesize

      1024KB

    • memory/1892-10-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

      Filesize

      44KB

    • memory/1892-2-0x0000000070BCD000-0x0000000070BD8000-memory.dmp

      Filesize

      44KB

    • memory/1892-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB