Overview

overview

10

Static

static

5

740d7b2426...18.exe

windows7-x64

10

740d7b2426...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 02:28

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General

  • Target
    740d7b24262e8470b2046278a05f02b3_JaffaCakes118.exe
  • Size 512KB
  • Sample240526-cx6ccacd22
  • SHA256 85fef252bd6e3eb587dad652f48ae736dc2776474e8371f327136cf364927b86
  • 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 11 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 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\740d7b24262e8470b2046278a05f02b3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\740d7b24262e8470b2046278a05f02b3_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:4384
    • C:\Windows\SysWOW64\mxgcoluaih.exe
      mxgcoluaih.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:1460
      • C:\Windows\SysWOW64\czfaqifs.exe
        C:\Windows\system32\czfaqifs.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:3020
    • C:\Windows\SysWOW64\nwmccyssqngejpa.exe
      nwmccyssqngejpa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:536
    • C:\Windows\SysWOW64\czfaqifs.exe
      czfaqifs.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:1808
    • C:\Windows\SysWOW64\xzahysfctgqlr.exe
      xzahysfctgqlr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3028
    • 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:2528

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 daa86ac85f099a9306938c91e726698ab328efc1906880b9c0c3cd6f1af7631f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 ddb1619504a6aede68dc7b8042764f260e022cd3c9195b4d4b05048d125b1c01
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        gb.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD937D.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • 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 cbc4f5cd9996c1eeaf020ece5279320f47a93bac5374f667eeb99543edfbe9fd
        • MD5 SHA1 SHA512
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 685db59bdc592cf6526ed11aba21ce0a5829377501d8cdcc4b23f059520c0eb8
        • MD5 SHA1 SHA512
        Submit Download

        UninstallUnprotect.doc.exe
        • Path C:\Users\Admin\Desktop\UninstallUnprotect.doc.exe
        • Size 512KB
        • SHA256 d6484aed729f347bff38cd8cfbeb115603d6bdcee57d455944ec785942ddd4d5
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        InvokeSync.doc.exe
        • Path C:\Users\Admin\Documents\InvokeSync.doc.exe
        • Size 512KB
        • SHA256 392ade35eea9c86b0d5149189b617dccf9845cec1d1e036988b6b0354af68269
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        czfaqifs.exe
        • Path C:\Windows\SysWOW64\czfaqifs.exe
        • Size 512KB
        • SHA256 0ad819ac8570d3bc0f35220130665d628668b635e0f75c73a63cefebeb6364cd
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        mxgcoluaih.exe
        • Path C:\Windows\SysWOW64\mxgcoluaih.exe
        • Size 512KB
        • SHA256 016515519f875c35e32531ac92137c116b7d53145918c3664d9538bddcf8e061
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nwmccyssqngejpa.exe
        • Path C:\Windows\SysWOW64\nwmccyssqngejpa.exe
        • Size 512KB
        • SHA256 3a99ccb57a6a59105db4f53083691f239509485f25d4efd6d564cc5d459dfd2d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        xzahysfctgqlr.exe
        • Path C:\Windows\SysWOW64\xzahysfctgqlr.exe
        • Size 512KB
        • SHA256 635aaab29efe659b7f9d4da982228ff2c0f1a8dd93e087cccc3d8f0eecf875f0
        • 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 9ef2aa1d23f1d647f5e0eb8e7a042b54d913c8b77a3aec33b8252c24f5ccf236
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 d7c78f9b5882c2fa0715104519ccfcc1d8cd96aa2972d39005960c27a77e64e4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2528-39-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-38-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-36-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-37-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-40-0x00007FFF26730000-0x00007FFF26740000-memory.dmp
        Download

        memory/2528-35-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-42-0x00007FFF26730000-0x00007FFF26740000-memory.dmp
        Download

        memory/2528-608-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-609-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-607-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/2528-610-0x00007FFF28C30000-0x00007FFF28C40000-memory.dmp
        Download

        memory/4384-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download