Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 19:25

General

  • Target

    JaffaCakes118_c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf.exe

  • Size

    4.4MB

  • MD5

    58acd12b4af5cf73ef574af26f4dafb3

  • SHA1

    8cc0499e18e6d9dc6d7cdc4dc61f96d86765d0c5

  • SHA256

    c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf

  • SHA512

    bb476347db944335aa39ed04a5263965575b53d9e926e540cae9974c0e2bc662c7e6527a30ab4bc507abfdc161a7a0de5f47a28a70960739b6ee546d15aecc0b

  • SSDEEP

    98304:qGKl6sp+RE/cCzrJPVLYWV7rCyCsFTGiSqJWA9ltRx4j70SJo+:qDpx///JPSWVayPtvWAl74Y+

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 20 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 2 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.

  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • GoLang User-Agent 6 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 9 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_c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf.exe"
      2⤵
      • 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:3244
      • 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"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1472
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /51-51
        3⤵
        • 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:3056
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:544
        • 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
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 932
      2⤵
      • Program crash
      PID:4012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2748 -ip 2748
    1⤵
      PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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

      4.4MB

      MD5

      58acd12b4af5cf73ef574af26f4dafb3

      SHA1

      8cc0499e18e6d9dc6d7cdc4dc61f96d86765d0c5

      SHA256

      c41b40f01ca47f43225ad2d5c2d665766e8250ac95bb32200e5d715463119dcf

      SHA512

      bb476347db944335aa39ed04a5263965575b53d9e926e540cae9974c0e2bc662c7e6527a30ab4bc507abfdc161a7a0de5f47a28a70960739b6ee546d15aecc0b

    • memory/2748-2-0x0000000004A40000-0x0000000005366000-memory.dmp

      Filesize

      9.1MB

    • memory/2748-3-0x0000000000400000-0x0000000000D41000-memory.dmp

      Filesize

      9.3MB

    • memory/2748-6-0x0000000000400000-0x0000000000D41000-memory.dmp

      Filesize

      9.3MB

    • memory/2748-7-0x0000000004A40000-0x0000000005366000-memory.dmp

      Filesize

      9.1MB

    • memory/2748-5-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/2748-1-0x0000000004600000-0x0000000004A3D000-memory.dmp

      Filesize

      4.2MB

    • memory/3056-28-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-25-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-16-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-33-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-22-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-23-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-24-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-32-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-26-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-27-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-31-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-29-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3056-30-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3244-8-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3244-14-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB

    • memory/3244-9-0x0000000000400000-0x00000000027DB000-memory.dmp

      Filesize

      35.9MB