Analysis

  • max time kernel
    146s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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 6 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 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c7762705ee54de6da6b5637c4ef04f85.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msisdb32.dll,AfOReqV
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 664
      2⤵
      • Program crash
      PID:4204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3088 -ip 3088
    1⤵
      PID:4080

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\msisdb32.dll

            Filesize

            172KB

            MD5

            b61079ff3b82d5ce715dcce36f815e68

            SHA1

            71a92150736132de10df4ad5a3ea2dd6a91e1292

            SHA256

            8d4b07ac95d671e9db6b337c9ff5605c881845f274cc2a9f82cb447d3a2c44ca

            SHA512

            535ef20486069a6c3aa4b91870f8bd41f8a6c56e526005adbc185890a5db68e8c4bb8e87a435839e71495e7719968b727cb35a90bfbcba72a2ab97ca6a97f3bb

          • memory/3088-12-0x0000000002810000-0x0000000002896000-memory.dmp

            Filesize

            536KB

          • memory/3088-2-0x0000000002810000-0x0000000002896000-memory.dmp

            Filesize

            536KB

          • memory/3088-4-0x0000000002810000-0x0000000002896000-memory.dmp

            Filesize

            536KB

          • memory/3088-6-0x0000000002810000-0x0000000002896000-memory.dmp

            Filesize

            536KB

          • memory/3088-1-0x0000000000530000-0x000000000058A000-memory.dmp

            Filesize

            360KB

          • memory/3088-3-0x0000000002810000-0x0000000002896000-memory.dmp

            Filesize

            536KB

          • memory/3088-10-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/3088-0-0x0000000000400000-0x0000000000466000-memory.dmp

            Filesize

            408KB

          • memory/3088-11-0x0000000000530000-0x000000000058A000-memory.dmp

            Filesize

            360KB

          • memory/4844-9-0x0000000010000000-0x0000000010086000-memory.dmp

            Filesize

            536KB

          • memory/4844-13-0x0000000010000000-0x0000000010086000-memory.dmp

            Filesize

            536KB

          • memory/4844-25-0x0000000010000000-0x0000000010086000-memory.dmp

            Filesize

            536KB