Overview

overview

10

Static

static

5

893cea0712...18.exe

windows7-x64

10

893cea0712...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01/06/2024, 03:25

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General

  • Target
    893cea07129af938056f726cdc6c5940_JaffaCakes118.exe
  • Size 512KB
  • Sample240601-dypxesgg87
  • SHA256 a736f4f4091ec120fba8ecd0cdb1c1058c1ce959d5ae7a8d731bfe5dd83dade6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\893cea07129af938056f726cdc6c5940_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\893cea07129af938056f726cdc6c5940_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\SysWOW64\ywdhaboqrw.exe
      ywdhaboqrw.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\hnslamjx.exe
        C:\Windows\system32\hnslamjx.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2372
    • C:\Windows\SysWOW64\tbdhtespwraitta.exe
      tbdhtespwraitta.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2128
    • C:\Windows\SysWOW64\hnslamjx.exe
      hnslamjx.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2488
    • C:\Windows\SysWOW64\djkjurnobrume.exe
      djkjurnobrume.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2528
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2004

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          PROTTPLN.DOC.exe
          • Path C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
          • Size 512KB
          • SHA256 486a6406ac674bcca7efeae940fe5cc7bca2c662d532ef357b68a70b1ab46e0c
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          CheckpointConfirm.doc.exe
          • Path C:\Users\Admin\AppData\Roaming\CheckpointConfirm.doc.exe
          • Size 512KB
          • SHA256 3e64571aced10247d37f6f611ed8bbdd0da9dce832d9472de85198156fdecb19
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Normal.dotm
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 20KB
          • SHA256 977ff0c5491035ed6c84c019e189b880360b5d396d03c9981e5bcf8d1d2d5ea3
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          RenameRestore.doc.exe
          • Path C:\Users\Admin\AppData\Roaming\RenameRestore.doc.exe
          • Size 512KB
          • SHA256 cbb5b8c12dca6545d39fc03b5341b2bfd9163af988bd8ade0677d2634f2e4c23
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          djkjurnobrume.exe
          • Path C:\Windows\SysWOW64\djkjurnobrume.exe
          • Size 512KB
          • SHA256 956bfcb0b457e47818b5bc7281f659dc318ee1b74c10c8fda35fae6a5492ac64
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          hnslamjx.exe
          • Path C:\Windows\SysWOW64\hnslamjx.exe
          • Size 512KB
          • SHA256 b23efd6ef8a323172e619cd2bfc85a12447a46bee820309ab3a27a1ec3a1ceae
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          tbdhtespwraitta.exe
          • Path C:\Windows\SysWOW64\tbdhtespwraitta.exe
          • Size 512KB
          • SHA256 6311cb2f712e22540a528b399eb8cde875a91409c1233b0efdcd8340c3b6c8cb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ywdhaboqrw.exe
          • Path C:\Windows\SysWOW64\ywdhaboqrw.exe
          • Size 512KB
          • SHA256 1e200c8da80ea32bb2b6f8847dd6b7b111b0ab75429dd48499c3bb8f447b65b0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          mydoc.rtf
          • Path C:\Windows\mydoc.rtf
          • Size 223B
          • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
          • MD5 SHA1 SHA512
          Submit Download

          memory/2392-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Download

          memory/2392-105-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Download

          memory/2820-0-0x0000000000400000-0x0000000000496000-memory.dmp
          Download