Overview

overview

10

Static

static

3

c7c2eeac94...18.exe

windows7-x64

10

c7c2eeac94...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2024, 22:28

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General

  • Target

    c7c2eeac940a2089fccb294c34aa4b7c_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    c7c2eeac940a2089fccb294c34aa4b7c

  • SHA1

    983845e2174ec6d88a06d4419abe77f26c6b6d90

  • SHA256

    3149217d6ae2a904e63d45cdd36576c271d62d800d3ab16ebecaa08a049ee98b

  • SHA512

    129ff470ed4d5363d6d829879c7da01015e8f2aaf95d07b3bae0962757e54b8d626e73b263b0cc66b11b1915d3d3682b95010eb6bcc839c64f9fb41b5b86bb83

  • SSDEEP

    1536:cXtkj1/lHTQcCVU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeMNeG0h/E:gkjn0lU0GgAT9gM

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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 53 IoCs
    persistence
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7c2eeac940a2089fccb294c34aa4b7c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c7c2eeac940a2089fccb294c34aa4b7c_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\yaeoxam.exe
      "C:\Users\Admin\yaeoxam.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
      PID:2000

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\yaeoxam.exe
          Filesize

          124KB

          MD5

          62d0c9798d3decbef5a3907ad889e427

          SHA1

          d9bd2c96a7c9a1d896c635a20ce8eed4a19b3964

          SHA256

          0267ceaa7f4f345accf85cbe84c08846122a813f59893f74e488a613d6cced28

          SHA512

          773e6a4b602e2ac8cb30365085fe6c906718f57b53f2d676bb0ed1cd1bf5af97952ec824fb39c4c8084dc77e135c4bc2bb32944523892ccb80918f8f8e918e05

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