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Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2024, 22:28

General

  • Target

    b959399ac73dbf0d6b20085760679bda_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    b959399ac73dbf0d6b20085760679bda

  • SHA1

    daedea641a1906631f489d5134ae7f46a6fbfae2

  • SHA256

    9acd993cdeb62c0ddfc2051de07fdb6b45b305545fa83541d199531e4f482b98

  • SHA512

    efc2b838b5d655cea1f9b3d384321d265b84ed17db47331c382e919d1a978f0c14e5e39b1769b32834adca0c535dc5ab56b6eae0b908ea17bf983918dd64ca2b

  • SSDEEP

    1536:jClgOD2kuqO5Kz1DLzMJ10WEzfmuH7OEz:jClgOD2N35KZzWubbz

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 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 use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b959399ac73dbf0d6b20085760679bda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b959399ac73dbf0d6b20085760679bda_JaffaCakes118.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    PID:2752
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k Microsoft
    1⤵
    • Deletes itself
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\bkryyu.dll

    Filesize

    89KB

    MD5

    25aea626a11f70f86f378a72c76f330f

    SHA1

    3db84ac465e98ca6af17f71a7576b30ff67f8083

    SHA256

    a4324e990457dc0b3680c8ca2168e886d3f2c9a9d9f3f7a174f795729a54f58c

    SHA512

    76de2c3b9a7cce1f709d1cc4a5d9d86d9a3673565fb19e572aeea164276b1d562cd57237f4340e66eee64348261b2309fd7029e66c3ea4f5f9efe4be60ef21ca

  • memory/2752-0-0x0000000000400000-0x000000000040E4D8-memory.dmp

    Filesize

    57KB

  • memory/2752-2-0x000000000040E000-0x000000000040F000-memory.dmp

    Filesize

    4KB

  • memory/2752-8-0x0000000000400000-0x000000000040E4D8-memory.dmp

    Filesize

    57KB