Analysis

  • max time kernel
    144s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 09:44

General

  • Target

    21e78c10e726ef8daf7edf2b32af25ae_JaffaCakes118.doc

  • Size

    241KB

  • MD5

    21e78c10e726ef8daf7edf2b32af25ae

  • SHA1

    10b93f75ceb4b6d2682b7e43048977ef14145832

  • SHA256

    8db366d3ef9b2c7b52bb949935f6ed9ac8a7c0d45e19f604c1ceb15eb08cc3fb

  • SHA512

    8908591a92fd54a341ca23d8817955a5bae4aadc1ac7d28a74a25580fd91d18b71789dc7896a794de73c4d5476cbac6506c523a4e79e1e3827b1161f441d9c2e

  • SSDEEP

    1536:CterTkw9HnXPJguq73/IKB5Kby0gBjHrTPRyMK/dRYC0HPQzD2x+n/KwUFkmT:Cvw9HXPJguq73/IKBWyPidS98D2x+Sw2

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 Internet Explorer settings 1 TTPs 31 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\21e78c10e726ef8daf7edf2b32af25ae_JaffaCakes118.doc"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2564
    • 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:1992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      128KB

      MD5

      33f5e662b05c4c419fac645f7e38275c

      SHA1

      6172f8aa54017436447ec9864577fe0333190ba1

      SHA256

      e01cd149545ea8d9b4f4c5597a7ebedf9e57d28445952ef9d86014ae638d0a77

      SHA512

      612bc7dd83ad844808d2a48cff8ff3cb3c6b1052cee1575112a9a8a91c17dfd4fc0b405f72ff13502a871579e02c8e0a0ceb6594f5c2b08a3f432238d0889d12

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{4CFEAC38-6EA5-497E-B8B4-4B9C51CAB969}.FSD

      Filesize

      128KB

      MD5

      29842b8cb1498771eccc055c7464822c

      SHA1

      6731b6e57d849ab8e6b6de8590f5d03056a879ba

      SHA256

      065188ad4550beab9ce324dd86f0c09498cd397e6d9edae4aa89c0e2200ac554

      SHA512

      56d0bb23555f33188e033473b8afa783e6b778118a8cd8e586859011b26387313003145cc091f8a3e0a0836dd8221e511d22140058dfeee67fc1c820630e5e9a

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

      Filesize

      128KB

      MD5

      63ac8b134241876681f21deda0d651bf

      SHA1

      a9b698538ffd121418083739bd979f83162e83f5

      SHA256

      4ccbcbbdd4d8b92d18347d851da57e2e799e2505683ce4ad07e2cc10dfa17be5

      SHA512

      69ae809ceae95f845dd180a5fb675d5cbfc58b5165adcbcd8a50dfa850590b212c33807bb4928d58fa7c79e754bbe34b15cbfcc814a1f6c2ed3d22160b61c63f

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

      Filesize

      128KB

      MD5

      58b4a6a13eb77e3f556cd23395034e5d

      SHA1

      d15b1bebde06ed4edea384de8356157776566602

      SHA256

      20d26d79a43879fc2c8ac61e699ca876363b3a8e1b7f141e7e2789966fa465dc

      SHA512

      12b6a947a65ca05f616968b11dfa47861a0260e9ebcceac3023e601733efc6538156af19acd9a03263d518e4a8fe3e06c1d23cad1931c021fa982fc44e05450a

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{0523C39D-58F4-4609-A896-35410D20EA36}.FSD

      Filesize

      128KB

      MD5

      af6c6f6314be7770ec40fc2789e1a1ff

      SHA1

      2675242c914484004992888daf7e15b486ef9972

      SHA256

      89d6e5377406c9fc0171910d61a1597b314efe3ef518dcf9cd9219cc8b396921

      SHA512

      9b154b61d41339692c300aae42b726fc896b5ee0ad25b5a15c95107f3a77fd69942697df74ffc078f09f9e84b182d9db7114ee5099d8b00e5d843f466db945ec

    • C:\Users\Admin\AppData\Local\Temp\{6CA30CF6-E60C-4294-92C1-27075F5F2D0C}

      Filesize

      128KB

      MD5

      99b7d403f1cf32d4b89bac148ae8b82c

      SHA1

      fbb75a80941a9a4ae250aaf5a020547679ec98e4

      SHA256

      6f6cd4f210e215a5a8cada621c4d18f196e21f7bb95ad2521dbd71174bdfcaee

      SHA512

      a05f8a3249b61cf83cf7db1ad6b24a451b0f5348ba866c27c8a89f9a223af068ad7d07678aaa069f66e5f61bd7f4f29dd1c1280d740c09d7ab25610605bac74f

    • memory/1924-11-0x00000000713DD000-0x00000000713E8000-memory.dmp

      Filesize

      44KB

    • memory/1924-517-0x0000000000570000-0x0000000000670000-memory.dmp

      Filesize

      1024KB

    • memory/1924-62-0x000000000F870000-0x000000000F970000-memory.dmp

      Filesize

      1024KB

    • memory/1924-61-0x0000000000570000-0x0000000000670000-memory.dmp

      Filesize

      1024KB

    • memory/1924-0-0x000000002F9E1000-0x000000002F9E2000-memory.dmp

      Filesize

      4KB

    • memory/1924-2-0x00000000713DD000-0x00000000713E8000-memory.dmp

      Filesize

      44KB

    • memory/1924-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB