Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22-08-2024 05:37

General

  • Target

    b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe

  • Size

    81KB

  • MD5

    b687ab566d7d7b41a25d7b4d5396e573

  • SHA1

    9b2e0c12ea7c13fc2daa99032208a4ae2e6525e4

  • SHA256

    f4c4915e8f93f4c55e33e5cdc43e7d057cbb1bec3467792fe0c7680a0670d038

  • SHA512

    edaedbc77ab7a3ba5d330d13637d00ce7294e70004a7b92071dbd4695e9d7a85685bc54302829be74e869d792c59880143c2040fe51aee293423d6c1161aca13

  • SSDEEP

    1536:7PU/+Y4JTZ8btj/UbN0AIaQyqnVu1A7W3f/NYr4XRJAv4hNzVWfGIG5lqgc:4iTZ8bRsbSASRnVuy7adfhVhNpWfG6g

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.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b687ab566d7d7b41a25d7b4d5396e573_JaffaCakes118.exe"
      2⤵
      • Adds policy Run key to start application
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\expaende.exe
        "C:\Windows\expaende.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Windows\expaende.exe
          "C:\Windows\expaende.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\expaende.exe

    Filesize

    81KB

    MD5

    b687ab566d7d7b41a25d7b4d5396e573

    SHA1

    9b2e0c12ea7c13fc2daa99032208a4ae2e6525e4

    SHA256

    f4c4915e8f93f4c55e33e5cdc43e7d057cbb1bec3467792fe0c7680a0670d038

    SHA512

    edaedbc77ab7a3ba5d330d13637d00ce7294e70004a7b92071dbd4695e9d7a85685bc54302829be74e869d792c59880143c2040fe51aee293423d6c1161aca13

  • memory/2184-12-0x0000000003240000-0x00000000039AE000-memory.dmp

    Filesize

    7.4MB

  • memory/2184-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2184-3-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-15-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2448-4-0x0000000000400000-0x0000000000B6E000-memory.dmp

    Filesize

    7.4MB

  • memory/2448-0-0x0000000000400000-0x0000000000B6E000-memory.dmp

    Filesize

    7.4MB

  • memory/2748-13-0x0000000000400000-0x0000000000B6E000-memory.dmp

    Filesize

    7.4MB

  • memory/2748-19-0x0000000000400000-0x0000000000B6E000-memory.dmp

    Filesize

    7.4MB

  • memory/2868-20-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2868-22-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2868-25-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2868-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2868-31-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2868-33-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB