Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2024, 17:11

General

  • Target

    a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe

  • Size

    243KB

  • MD5

    a783ba335d10b08374874f40b86dc716

  • SHA1

    670aaf1648d2b988dbd2ec9d94f60da8420d4a00

  • SHA256

    c66da40ce491fad8e432441d144ab00609cf22f2cf98419d6ec064d670601c3f

  • SHA512

    144ba833fc9628039820b5e5a4d0e0b0906cc9a8d15642b5b22ee796b1b47ad5b273cf54ef858264459b01f5f3337bab376417e083763e8943ecf56395d80a06

  • SSDEEP

    6144:aEadbgLK3fsEKUYgDVy36USbMv6bUtz60976UoSmL:StgUfs/BB36Ug3U17joSW

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\gema\gema.exe

    Filesize

    243KB

    MD5

    a783ba335d10b08374874f40b86dc716

    SHA1

    670aaf1648d2b988dbd2ec9d94f60da8420d4a00

    SHA256

    c66da40ce491fad8e432441d144ab00609cf22f2cf98419d6ec064d670601c3f

    SHA512

    144ba833fc9628039820b5e5a4d0e0b0906cc9a8d15642b5b22ee796b1b47ad5b273cf54ef858264459b01f5f3337bab376417e083763e8943ecf56395d80a06

  • memory/2244-1-0x0000000000220000-0x0000000000234000-memory.dmp

    Filesize

    80KB

  • memory/2244-0-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2244-2-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/2244-45-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB