Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 13:00

General

  • Target

    bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    bd81c9b4e808986568e82f507e8a5b3c

  • SHA1

    139b69fac6cace200cf8bbf0617ebff85bfa295f

  • SHA256

    ebd1e9e477918163f3c7ba846f5de93da3cd32bacbd0405317e3053469870888

  • SHA512

    3cde64c726d11a3c4645ad73ae58a4abc93f0e9ca7730da14ad4b486d69999d91108e861e5accac347eed2fda51d3d8c6f26aed45269be820d16ca52c1c96779

  • SSDEEP

    3072:vv/AGWxl0vhtBNwTYYgioDlwbtVBCN1xRWy1MaiyzUhAv2EdK:X/ApshwaiilwTIN1xRSaJUhi7dK

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
  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 13 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1160
      • C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2756
        • C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\bd81c9b4e808986568e82f507e8a5b3c_JaffaCakes118.exe"
          3⤵
          • Loads dropped DLL
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Windows\SysWOW64\igfxhc32.exe
            "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\BD81C9~1.EXE
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2584
            • C:\Windows\SysWOW64\igfxhc32.exe
              "C:\Windows\SysWOW64\igfxhc32.exe" C:\Users\Admin\AppData\Local\Temp\BD81C9~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\SysWOW64\igfxhc32.exe

      Filesize

      134KB

      MD5

      bd81c9b4e808986568e82f507e8a5b3c

      SHA1

      139b69fac6cace200cf8bbf0617ebff85bfa295f

      SHA256

      ebd1e9e477918163f3c7ba846f5de93da3cd32bacbd0405317e3053469870888

      SHA512

      3cde64c726d11a3c4645ad73ae58a4abc93f0e9ca7730da14ad4b486d69999d91108e861e5accac347eed2fda51d3d8c6f26aed45269be820d16ca52c1c96779

    • memory/1160-40-0x0000000002DD0000-0x0000000002DEE000-memory.dmp

      Filesize

      120KB

    • memory/1160-42-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

      Filesize

      4KB

    • memory/2604-43-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2604-39-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2604-32-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-1-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-5-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-8-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-31-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-38-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-7-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-11-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-9-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2768-10-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB