Overview

overview

10

Static

static

5

73773564e1...18.exe

windows7-x64

10

73773564e1...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 22:34

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General

  • Target
    73773564e15d14746d32982a0e40e6f8_JaffaCakes118.exe
  • Size 512KB
  • Sample240525-2g62dade37
  • SHA256 fbe945a6e9351304c72e81afa79d3c27080c8cdb316f3bdef903c3daa1ecfc3c
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73773564e15d14746d32982a0e40e6f8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\73773564e15d14746d32982a0e40e6f8_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:1568
    • C:\Windows\SysWOW64\jcxwqskknr.exe
      jcxwqskknr.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
      • 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:3976
      • C:\Windows\SysWOW64\awhkygvo.exe
        C:\Windows\system32\awhkygvo.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4356
    • C:\Windows\SysWOW64\qsceevrlnyjgjzq.exe
      qsceevrlnyjgjzq.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3772
    • C:\Windows\SysWOW64\awhkygvo.exe
      awhkygvo.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:832
    • C:\Windows\SysWOW64\gzmtxoedrzizs.exe
      gzmtxoedrzizs.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3096
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1420

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        PROTTPLN.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 dcd949ab6884ac813021f0fbf098ed688b1673e2594ede1b3b78f31c88862a9d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 9bd59862afd23ed4053814170da7944dfdc2334eac9ddba7c2b7aef42a008deb
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        sist02.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD8F18.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 239B
        • SHA256 9def83813762ad0c5f6fdd68707d43b7ccd26633b2123254272180d76bc3faaf
        • MD5 SHA1 SHA512
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 ee8fab8a0cdfdb6a10976bd18651cd16848b615595b02d28c733d6edae88d3c0
        • MD5 SHA1 SHA512
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 6d8943278594d0fd9c49928b41fb4848281c5faa934c5682ff634315a2aedae0
        • MD5 SHA1 SHA512
        Submit Download

        awhkygvo.exe
        • Path C:\Windows\SysWOW64\awhkygvo.exe
        • Size 512KB
        • SHA256 ad5b72ed3c47a0934c250b986b09fe0306ff9db0bbb74d3f8f51894845869f02
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        gzmtxoedrzizs.exe
        • Path C:\Windows\SysWOW64\gzmtxoedrzizs.exe
        • Size 512KB
        • SHA256 429f6108297adc9235f6211da0f18b19b5b731b08025e245ec78bc58f9a7dcaf
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        jcxwqskknr.exe
        • Path C:\Windows\SysWOW64\jcxwqskknr.exe
        • Size 512KB
        • SHA256 48237fb8b6e42b9d9269889ac675e5698082bc920e1256bdb7dd0750076391d4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        qsceevrlnyjgjzq.exe
        • Path C:\Windows\SysWOW64\qsceevrlnyjgjzq.exe
        • Size 512KB
        • SHA256 40437c786fcd3396d0a597bccabbca8eb6b0c9c95a1673a9ed63c55c5f2bce11
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

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

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 615de3e0be3d2e792655b1b0058f415df352aa001d522a70ef6caf5fb09e829d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 473efd6db4fcfc40d1d91bf93b080ab5c156b0df5b40cf63f0460bc23f365f5d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1420-41-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-43-0x00007FFD7A570000-0x00007FFD7A580000-memory.dmp
        Download

        memory/1420-40-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-38-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-39-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-37-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-42-0x00007FFD7A570000-0x00007FFD7A580000-memory.dmp
        Download

        memory/1420-598-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-597-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-596-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1420-595-0x00007FFD7C790000-0x00007FFD7C7A0000-memory.dmp
        Download

        memory/1568-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download