Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 04:15

General

  • Target

    ef0cb11e207e85934c655f17c4955961_JaffaCakes118.exe

  • Size

    46KB

  • MD5

    ef0cb11e207e85934c655f17c4955961

  • SHA1

    4af042c1b95f8d2c6e01b804f99ea578814f6bab

  • SHA256

    4885962e650bd0476a3057d0f9b2bebf7538b9cbbb892b6ccae2fb45790a427c

  • SHA512

    c48288835e6f7f0fd6c9d3b7cf55d3572da1cbfacf978c63bec8d61d33ba1e778c540ad8d05a99a55425db09db36c9fa6e28d5c21087aa1b0114d0069890a069

  • SSDEEP

    768:fqh7/ClyJhD0wgIpinmd640YIgvqsZYJ8LADtDpE/6YErEWxRjQ3uYBeKMkiDFCd:2/Cligln00YLBYJ8LADt2/HEr5jH3DUd

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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef0cb11e207e85934c655f17c4955961_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef0cb11e207e85934c655f17c4955961_JaffaCakes118.exe"
    1⤵
    • 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:1644
    • C:\Windows\wrdrive32.exe
      "C:\Windows\wrdrive32.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\wrdrive32.exe

    Filesize

    46KB

    MD5

    ef0cb11e207e85934c655f17c4955961

    SHA1

    4af042c1b95f8d2c6e01b804f99ea578814f6bab

    SHA256

    4885962e650bd0476a3057d0f9b2bebf7538b9cbbb892b6ccae2fb45790a427c

    SHA512

    c48288835e6f7f0fd6c9d3b7cf55d3572da1cbfacf978c63bec8d61d33ba1e778c540ad8d05a99a55425db09db36c9fa6e28d5c21087aa1b0114d0069890a069

  • memory/576-15-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/576-12-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/576-18-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/576-21-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/576-24-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/576-27-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/1644-2-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1644-9-0x0000000002BA0000-0x0000000002CFB000-memory.dmp

    Filesize

    1.4MB

  • memory/1644-1-0x00000000002B0000-0x000000000030D000-memory.dmp

    Filesize

    372KB

  • memory/1644-11-0x0000000002BA0000-0x0000000002CFB000-memory.dmp

    Filesize

    1.4MB

  • memory/1644-13-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB

  • memory/1644-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1644-0-0x0000000000400000-0x000000000055B000-memory.dmp

    Filesize

    1.4MB