Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 18:21

General

  • Target

    a36bf849262e549aac67ec6638fad090_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    a36bf849262e549aac67ec6638fad090

  • SHA1

    6289b56969e48e65cb5a11aeaa8eb8a2de1f3194

  • SHA256

    0edcbeec2a709b41ad03902cb61ed187b63aef02dfc07f2549a10ccbd95f6bae

  • SHA512

    5d3513f101c3906eeffcb4d599989b6e08c6f131c6712ebd495e68e64d81452c84d4d4834e444268814f626f1ba57bb80e4b196824169134d7a6d98915d164db

  • SSDEEP

    3072:LHrTUtapRqBxWhwO8pJ8j5ouK9Uq8Rcg2yAXuM9APy0/L6r1+KD60L:rHRAc1OJYoLOq8RAy4uDP5/rc

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

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

  • Metasploit family
  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 10 IoCs
  • Maps connected drives based on registry 3 TTPs 10 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 10 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • UPX packed file 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a36bf849262e549aac67ec6638fad090_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a36bf849262e549aac67ec6638fad090_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\AppData\Local\Temp\a36bf849262e549aac67ec6638fad090_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a36bf849262e549aac67ec6638fad090_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\SysWOW64\wnpjt3.exe
        "C:\Windows\system32\wnpjt3.exe" C:\Users\Admin\AppData\Local\Temp\A36BF8~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:672
        • C:\Windows\SysWOW64\wnpjt3.exe
          "C:\Windows\system32\wnpjt3.exe" C:\Users\Admin\AppData\Local\Temp\A36BF8~1.EXE
          4⤵
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3704
          • C:\Windows\SysWOW64\wnpjt3.exe
            "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4740
            • C:\Windows\SysWOW64\wnpjt3.exe
              "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3064
              • C:\Windows\SysWOW64\wnpjt3.exe
                "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:1372
                • C:\Windows\SysWOW64\wnpjt3.exe
                  "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                  8⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Maps connected drives based on registry
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:1940
                  • C:\Windows\SysWOW64\wnpjt3.exe
                    "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:4892
                    • C:\Windows\SysWOW64\wnpjt3.exe
                      "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                      10⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Maps connected drives based on registry
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:4944
                      • C:\Windows\SysWOW64\wnpjt3.exe
                        "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                        11⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:4768
                        • C:\Windows\SysWOW64\wnpjt3.exe
                          "C:\Windows\system32\wnpjt3.exe" C:\Windows\SysWOW64\wnpjt3.exe
                          12⤵
                          • Executes dropped EXE
                          PID:3984
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\wnpjt3.exe

      Filesize

      168KB

      MD5

      a36bf849262e549aac67ec6638fad090

      SHA1

      6289b56969e48e65cb5a11aeaa8eb8a2de1f3194

      SHA256

      0edcbeec2a709b41ad03902cb61ed187b63aef02dfc07f2549a10ccbd95f6bae

      SHA512

      5d3513f101c3906eeffcb4d599989b6e08c6f131c6712ebd495e68e64d81452c84d4d4834e444268814f626f1ba57bb80e4b196824169134d7a6d98915d164db

    • memory/1940-76-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1940-67-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1940-68-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1940-69-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3064-58-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3064-61-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3064-63-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3064-57-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3064-56-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-5-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-2-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-43-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-3-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-4-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3328-0-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3704-48-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3704-49-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3704-50-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3704-52-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/3984-90-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/4944-82-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/4944-83-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB