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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 12:39

General

  • Target

    8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    8a64110eb7962a7020a3e626d9ad6d89

  • SHA1

    e4edb8f5a987b11779eaba1d0a42fef331f3b6ba

  • SHA256

    44029fa09c987870a2b4fc45048728f4c635876af2cd0e22157df0bcfc784441

  • SHA512

    7bc9489ba339122fbce60fc7d24a9d4f9eb238f8906c54e3c1279cc2a36ddf2e4cad79c49998574eeea3f048f90ba89a09f177954aa336b32fb04c11ebcde34a

  • SSDEEP

    1536:jM0gNI+RqihfQxtQg1nhFc9pJpk+tCwmg+Q6buWkJ2/tnJs1v8pEekNEkpYA00:jMbI+RFQxjJGJpTP65vFLGjNE5s

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
        "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
          "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe
            "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe" "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\8a64110eb7962a7020a3e626d9ad6d89_JaffaCakes118.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

    Filesize

    92KB

    MD5

    92e6ef1adcceb7e82a399433dc0223de

    SHA1

    7fbf08e27d151001b5e24be4b2e12fd660a0bc1c

    SHA256

    2058bbb8f62447d5f42fd70613eb60d0647784a33495dff37ef94ba677147142

    SHA512

    965e0f15acfc1b46001bdf14165389891ff2add3f4f1f71a67ec0769746f36f0bc7faa5fef1b1d5af59add9853d164f22fdcebd3b203457c1eaa72c608e9952c

  • memory/2676-41-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-10-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-12-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2696-39-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB