Overview

overview

10

Static

static

5

86af2a2499...18.exe

windows7-x64

10

86af2a2499...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 10:28

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General

  • Target
    86af2a24999abeb7ec6ff01c9859e687_JaffaCakes118.exe
  • Size 512KB
  • Sample240531-mh2eysfc75
  • SHA256 197eaff9220e529b8ff8e5f2a77ea88a6c7680c7164a5e4e3861234424701787
  • 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 13 IoCs
  • Drops file in Program Files directory 15 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\86af2a24999abeb7ec6ff01c9859e687_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\86af2a24999abeb7ec6ff01c9859e687_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:2268
    • C:\Windows\SysWOW64\mxxttdlwmd.exe
      mxxttdlwmd.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:3496
      • C:\Windows\SysWOW64\jrmkymct.exe
        C:\Windows\system32\jrmkymct.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:5436
    • C:\Windows\SysWOW64\kmqeqvtktbaedmg.exe
      kmqeqvtktbaedmg.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2832
    • C:\Windows\SysWOW64\jrmkymct.exe
      jrmkymct.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:4364
    • C:\Windows\SysWOW64\lirsytbcnqlbg.exe
      lirsytbcnqlbg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2828
    • 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:1656

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        PROTTPLN.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 738a6300d6fe60857ee080aa0fff5cd43397881cfd26a0107ac50f5cf4f5a27d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 8d4f37ac09bf2a609474b91cc9d911c7499a53ee5bb1b74291a88e7e019b503b
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        iso690.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD8E82.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • 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 321278b8a0bc7d07411f60a10281e4258782ffcb161d9a8223f4630768651108
        • MD5 SHA1 SHA512
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 5762b58e0ce3740c7acf68d6b3dbb056850a13b60c8700c97307904367ed713d
        • MD5 SHA1 SHA512
        Submit Download

        jrmkymct.exe
        • Path C:\Windows\SysWOW64\jrmkymct.exe
        • Size 512KB
        • SHA256 510c89efe873eaafe60855621846258ec405e1afd7256fc121a6c9bb103f1272
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        kmqeqvtktbaedmg.exe
        • Path C:\Windows\SysWOW64\kmqeqvtktbaedmg.exe
        • Size 512KB
        • SHA256 21201d9ff20cce1bc65f0ad255a693ae3412cbe78c6bc4870785901c446b284d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        lirsytbcnqlbg.exe
        • Path C:\Windows\SysWOW64\lirsytbcnqlbg.exe
        • Size 512KB
        • SHA256 a63a1ca77765c9497140f1a0d1e01ca34ffdd90f8bc361a328816e0f0d093f56
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        mxxttdlwmd.exe
        • Path C:\Windows\SysWOW64\mxxttdlwmd.exe
        • Size 512KB
        • SHA256 23f70e7ea3be4ec9fbda1fe622e37642e809e750775156d625f0ed7785de54ad
        • 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 a0b24ad1c8f35488dbc39972619e8bf8d06e9f2dd55d75c041b66977b67221c5
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 02b0de56e573fdb61adfbd7999fe49b4e8d0c759b1b76407d21bbcf4b82bdd45
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1656-600-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-38-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-41-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-39-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-40-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-42-0x00007FF8A1420000-0x00007FF8A1430000-memory.dmp
        Download

        memory/1656-37-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-43-0x00007FF8A1420000-0x00007FF8A1430000-memory.dmp
        Download

        memory/1656-599-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-602-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/1656-601-0x00007FF8A39B0000-0x00007FF8A39C0000-memory.dmp
        Download

        memory/2268-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download