Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 12:13

General

  • Target

    JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe

  • Size

    353KB

  • MD5

    c7762705ee54de6da6b5637c4ef04f85

  • SHA1

    fd70accb2903b6fcd58017604da341b9697b0af0

  • SHA256

    4faa52890c2fcfd276f09e14307b986a6f09b364a3e0e9b78c951b08e23b9931

  • SHA512

    2433909f7fe20377149feb9ba0a4570124f0bf578d3b05e19e1725e02be36f184a9c8b5f86c60659e7433bb007ce72070f8d9058dfc1cf02b70dfd36805f8743

  • SSDEEP

    6144:yuf50yi7Yp9tS6VilETu1579ZmhU1eAktso3kxKXX8NCATDDKcHlwKFrszKzONuh:yuR0yoYp9tS6ViuCn79Zm21eAkWmRH8p

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 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 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_win_path
    PID:2776
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msimxq32.dll,AfOReqV
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 320
      2⤵
      • Program crash
      PID:3068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\msimxq32.dll

          Filesize

          172KB

          MD5

          b61079ff3b82d5ce715dcce36f815e68

          SHA1

          71a92150736132de10df4ad5a3ea2dd6a91e1292

          SHA256

          8d4b07ac95d671e9db6b337c9ff5605c881845f274cc2a9f82cb447d3a2c44ca

          SHA512

          535ef20486069a6c3aa4b91870f8bd41f8a6c56e526005adbc185890a5db68e8c4bb8e87a435839e71495e7719968b727cb35a90bfbcba72a2ab97ca6a97f3bb

        • memory/2776-0-0x0000000000400000-0x0000000000466000-memory.dmp

          Filesize

          408KB

        • memory/2776-1-0x0000000000340000-0x000000000039A000-memory.dmp

          Filesize

          360KB

        • memory/2776-3-0x00000000022A0000-0x0000000002326000-memory.dmp

          Filesize

          536KB

        • memory/2776-2-0x00000000022A0000-0x0000000002326000-memory.dmp

          Filesize

          536KB

        • memory/2776-5-0x00000000022A0000-0x0000000002326000-memory.dmp

          Filesize

          536KB

        • memory/2776-12-0x0000000000400000-0x0000000000466000-memory.dmp

          Filesize

          408KB

        • memory/2776-14-0x0000000000340000-0x000000000039A000-memory.dmp

          Filesize

          360KB

        • memory/2780-11-0x0000000010000000-0x0000000010086000-memory.dmp

          Filesize

          536KB

        • memory/2780-16-0x0000000010000000-0x0000000010086000-memory.dmp

          Filesize

          536KB