Analysis

  • max time kernel
    144s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2024, 00:10

General

  • Target
    75e042dcde7e747b2b65078c520793ae.exe
  • Size 174KB
  • Sample240126-af8p2abbdm
  • SHA256 a46c45f5cae16ee7105d2c59f192cd851f3674c6ff9a8a525178911c3e99b6a8
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Checks computer location settings 2 TTPs 15 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 29 IoCs
  • UPX packed file 36 IoCs

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

  • Maps connected drives based on registry 3 TTPs 30 IoCs

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

  • Drops file in System32 directory 45 IoCs
  • Suspicious use of SetThreadContext 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75e042dcde7e747b2b65078c520793ae.exe
    "C:\Users\Admin\AppData\Local\Temp\75e042dcde7e747b2b65078c520793ae.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\75e042dcde7e747b2b65078c520793ae.exe
      "C:\Users\Admin\AppData\Local\Temp\75e042dcde7e747b2b65078c520793ae.exe"
      2⤵
      • Checks computer location settings
      • Maps connected drives based on registry
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Windows\SysWOW64\igfxwt32.exe
        "C:\Windows\system32\igfxwt32.exe" C:\Users\Admin\AppData\Local\Temp\75E042~1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2232
        • C:\Windows\SysWOW64\igfxwt32.exe
          "C:\Windows\system32\igfxwt32.exe" C:\Users\Admin\AppData\Local\Temp\75E042~1.EXE
          4⤵
          • Checks computer location settings
          • Deletes itself
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2392
          • C:\Windows\SysWOW64\igfxwt32.exe
            "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:552
            • C:\Windows\SysWOW64\igfxwt32.exe
              "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1776
              • C:\Windows\SysWOW64\igfxwt32.exe
                "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:3692
                • C:\Windows\SysWOW64\igfxwt32.exe
                  "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                  8⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Maps connected drives based on registry
                  • Drops file in System32 directory
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:4472
                  • C:\Windows\SysWOW64\igfxwt32.exe
                    "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                    9⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of WriteProcessMemory
                    PID:2844
                    • C:\Windows\SysWOW64\igfxwt32.exe
                      "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                      10⤵
                      • Checks computer location settings
                      • Executes dropped EXE
                      • Maps connected drives based on registry
                      • Drops file in System32 directory
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:5072
                      • C:\Windows\SysWOW64\igfxwt32.exe
                        "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                        11⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Suspicious use of WriteProcessMemory
                        PID:4448
                        • C:\Windows\SysWOW64\igfxwt32.exe
                          "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                          12⤵
                          • Checks computer location settings
                          • Executes dropped EXE
                          • Maps connected drives based on registry
                          • Drops file in System32 directory
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of WriteProcessMemory
                          PID:2876
                          • C:\Windows\SysWOW64\igfxwt32.exe
                            "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                            13⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious use of WriteProcessMemory
                            PID:1672
                            • C:\Windows\SysWOW64\igfxwt32.exe
                              "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                              14⤵
                              • Checks computer location settings
                              • Executes dropped EXE
                              • Maps connected drives based on registry
                              • Drops file in System32 directory
                              • Modifies registry class
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1928
                              • C:\Windows\SysWOW64\igfxwt32.exe
                                "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                15⤵
                                • Executes dropped EXE
                                • Suspicious use of SetThreadContext
                                PID:4644
                                • C:\Windows\SysWOW64\igfxwt32.exe
                                  "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                  16⤵
                                  • Checks computer location settings
                                  • Executes dropped EXE
                                  • Maps connected drives based on registry
                                  • Drops file in System32 directory
                                  • Modifies registry class
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4792
                                  • C:\Windows\SysWOW64\igfxwt32.exe
                                    "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                    17⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetThreadContext
                                    PID:1804
                                    • C:\Windows\SysWOW64\igfxwt32.exe
                                      "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                      18⤵
                                      • Checks computer location settings
                                      • Executes dropped EXE
                                      • Maps connected drives based on registry
                                      • Drops file in System32 directory
                                      • Modifies registry class
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3424
                                      • C:\Windows\SysWOW64\igfxwt32.exe
                                        "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                        19⤵
                                        • Executes dropped EXE
                                        • Suspicious use of SetThreadContext
                                        PID:3352
                                        • C:\Windows\SysWOW64\igfxwt32.exe
                                          "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                          20⤵
                                          • Checks computer location settings
                                          • Executes dropped EXE
                                          • Maps connected drives based on registry
                                          • Drops file in System32 directory
                                          • Modifies registry class
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:3044
                                          • C:\Windows\SysWOW64\igfxwt32.exe
                                            "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                            21⤵
                                            • Executes dropped EXE
                                            • Suspicious use of SetThreadContext
                                            PID:2672
                                            • C:\Windows\SysWOW64\igfxwt32.exe
                                              "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                              22⤵
                                              • Checks computer location settings
                                              • Executes dropped EXE
                                              • Maps connected drives based on registry
                                              • Drops file in System32 directory
                                              • Modifies registry class
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:3932
                                              • C:\Windows\SysWOW64\igfxwt32.exe
                                                "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                23⤵
                                                • Executes dropped EXE
                                                • Suspicious use of SetThreadContext
                                                PID:2552
                                                • C:\Windows\SysWOW64\igfxwt32.exe
                                                  "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                  24⤵
                                                  • Checks computer location settings
                                                  • Executes dropped EXE
                                                  • Maps connected drives based on registry
                                                  • Drops file in System32 directory
                                                  • Modifies registry class
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  PID:3444
                                                  • C:\Windows\SysWOW64\igfxwt32.exe
                                                    "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                    25⤵
                                                    • Executes dropped EXE
                                                    • Suspicious use of SetThreadContext
                                                    PID:208
                                                    • C:\Windows\SysWOW64\igfxwt32.exe
                                                      "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                      26⤵
                                                      • Checks computer location settings
                                                      • Executes dropped EXE
                                                      • Maps connected drives based on registry
                                                      • Drops file in System32 directory
                                                      • Modifies registry class
                                                      • Suspicious behavior: EnumeratesProcesses
                                                      PID:4196
                                                      • C:\Windows\SysWOW64\igfxwt32.exe
                                                        "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                        27⤵
                                                        • Executes dropped EXE
                                                        • Suspicious use of SetThreadContext
                                                        PID:3644
                                                        • C:\Windows\SysWOW64\igfxwt32.exe
                                                          "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                          28⤵
                                                          • Checks computer location settings
                                                          • Executes dropped EXE
                                                          • Maps connected drives based on registry
                                                          • Drops file in System32 directory
                                                          • Modifies registry class
                                                          • Suspicious behavior: EnumeratesProcesses
                                                          PID:2756
                                                          • C:\Windows\SysWOW64\igfxwt32.exe
                                                            "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                            29⤵
                                                            • Executes dropped EXE
                                                            • Suspicious use of SetThreadContext
                                                            PID:988
                                                            • C:\Windows\SysWOW64\igfxwt32.exe
                                                              "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                              30⤵
                                                              • Checks computer location settings
                                                              • Executes dropped EXE
                                                              • Maps connected drives based on registry
                                                              • Drops file in System32 directory
                                                              • Modifies registry class
                                                              • Suspicious behavior: EnumeratesProcesses
                                                              PID:400
                                                              • C:\Windows\SysWOW64\igfxwt32.exe
                                                                "C:\Windows\system32\igfxwt32.exe" C:\Windows\SysWOW64\igfxwt32.exe
                                                                31⤵
                                                                • Executes dropped EXE
                                                                PID:1004

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        igfxwt32.exe

        • Path C:\Windows\SysWOW64\igfxwt32.exe
        • Size 141KB
        • SHA256 e2788269e2e8f4032e33457dc54559bfdb2d55c06e540e6095e65c0082fded6c
        • MD5 SHA1 SHA512 SSDEEP

        igfxwt32.exe

        • Path C:\Windows\SysWOW64\igfxwt32.exe
        • Size 174KB
        • SHA256 a46c45f5cae16ee7105d2c59f192cd851f3674c6ff9a8a525178911c3e99b6a8
        • MD5 SHA1 SHA512 SSDEEP

        memory/400-177-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/400-173-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/680-0-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/680-4-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/680-3-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/680-2-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/680-38-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1776-54-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1776-57-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1928-92-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1928-90-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1928-95-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2392-44-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2392-46-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2392-47-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2756-167-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2756-162-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2876-81-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/2876-84-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3044-121-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3044-124-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3424-114-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3424-111-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3444-141-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3444-146-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3932-131-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/3932-135-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4196-156-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4196-152-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4472-64-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4472-65-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4792-103-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4792-105-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/4792-101-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/5072-73-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/5072-75-0x0000000000400000-0x0000000000466000-memory.dmp