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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 19:05

General

  • Target

    f6ac2ab9175a20c1eca929794c67adae_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    f6ac2ab9175a20c1eca929794c67adae

  • SHA1

    0b7bf3030c65ab47bdde3b523fa85a8dcf9820dc

  • SHA256

    09d8b0562772687a828a31af1ba170581c8045bf40eda68417b15a0ac3dbfbbc

  • SHA512

    469d2bcb357149ebf62ec5bb0b6dc562a594cca081386910a51ac30d0b3ee5077ae3aee94cdc0d295eff90e0f8f8d2061aac3393e3df2dd2666f53a767d55e74

  • SSDEEP

    768:UQayApbrJ7z0JJm2dSUMAWkUcbTmFIkNcSFIkid+J9KOe8rgYn6IR4WspB6W8Lx/:7ApxUDsjtVmkSem0NMJ6XtFIewDs

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6ac2ab9175a20c1eca929794c67adae_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f6ac2ab9175a20c1eca929794c67adae_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\riuagic.exe
      "C:\Users\Admin\riuagic.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\riuagic.exe

    Filesize

    60KB

    MD5

    546d712514d479538a80b8223fc90bf5

    SHA1

    16719b244ec86ae09c1cecbf862425295bb4e68a

    SHA256

    a64fdfbd72888d44f5f7c0177a9e92ba37b5f82549e6374aa6150215abda5280

    SHA512

    f235931960f963c10506f30c3729ae4bd314401f5fa4b80623b535b84c300b8a60e4ec181b86b35dd3036122afc5e4a8a90aebc7b5c90c409315ea078663da8a