Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 11:30

General

  • Target

    JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe

  • Size

    4.3MB

  • MD5

    d9f415a4ae0562452af5edc211bcfc02

  • SHA1

    fa956e307787fae79c23ed474bde2688f5141b65

  • SHA256

    2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d

  • SHA512

    14a3f363947bee7c4fb357f899e888e001505f4a449736fab2cb3fa96eb5efd4dee764994a105a71a415493801857583557870b345999292b0871790ded36a28

  • SSDEEP

    98304:9ZLROHWQ3GMdRD3xibBBfULFPJc1VKKcpqcFtMtW31iBxfD7:9ZyRzx0BtULyyvtMtW3sBZ

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba family
  • Glupteba payload 39 IoCs
  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Suspicious use of SetThreadContext 3 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d.exe"
          4⤵
          • Adds Run key to start application
          • Checks for VirtualBox DLLs, possible anti-VM trick
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3532
          • C:\Windows\system32\cmd.exe
            C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3524
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              PID:2984
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe /188-188
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3132
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe /188-188
              6⤵
              • Executes dropped EXE
              • Manipulates WinMonFS driver.
              • System Location Discovery: System Language Discovery
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:224
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                7⤵
                • Scheduled Task/Job: Scheduled Task
                PID:2704
              • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
                C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
                7⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:1196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

    Filesize

    281KB

    MD5

    d98e33b66343e7c96158444127a117f6

    SHA1

    bb716c5509a2bf345c6c1152f6e3e1452d39d50d

    SHA256

    5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

    SHA512

    705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

  • C:\Windows\rss\csrss.exe

    Filesize

    4.3MB

    MD5

    d9f415a4ae0562452af5edc211bcfc02

    SHA1

    fa956e307787fae79c23ed474bde2688f5141b65

    SHA256

    2ed35bedcd2d1d7eb1eb66c0378dd1a647bca015fbf542389c96398814878a6d

    SHA512

    14a3f363947bee7c4fb357f899e888e001505f4a449736fab2cb3fa96eb5efd4dee764994a105a71a415493801857583557870b345999292b0871790ded36a28

  • memory/224-62-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-67-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-48-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-63-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-55-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-64-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-53-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-49-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-72-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-71-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-70-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-52-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-47-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-69-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-68-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-61-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-66-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-51-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-45-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-46-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-65-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/224-50-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-8-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-13-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-5-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-7-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-10-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-3-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-6-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/1524-9-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/2000-23-0x0000000000400000-0x00000000021A4000-memory.dmp

    Filesize

    29.6MB

  • memory/2000-54-0x0000000000400000-0x00000000021A4000-memory.dmp

    Filesize

    29.6MB

  • memory/3472-1-0x00000000040F0000-0x000000000453B000-memory.dmp

    Filesize

    4.3MB

  • memory/3472-2-0x0000000004540000-0x0000000004E67000-memory.dmp

    Filesize

    9.2MB

  • memory/3532-24-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-30-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-27-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-26-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-25-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-22-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-21-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

  • memory/3532-20-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB