Overview

overview

10

Static

static

3

edd1db2e55...18.exe

windows7-x64

10

edd1db2e55...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 14:45

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General

  • Target

    edd1db2e552d6aa30b5d93c45902eb13_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    edd1db2e552d6aa30b5d93c45902eb13

  • SHA1

    a0467645490f597d9bf093def1df602a6cc4854c

  • SHA256

    6812d2c2854fc754f8e8f67a0bb3dc610a221723412ba415673b193b15f24a53

  • SHA512

    a4e27a1cf4f5c1f81a5ee1db174b7e2bc9e0d4d89aee959b17302b4d59f0c9580d1e1b57601e064861e6611ce973690a983bbc5ea6d6b759b593fcf00ad577e8

  • SSDEEP

    1536:p9tkjHTQ1DU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeMNeG0h/E:Nkj01DU0GgAT9gM

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\edd1db2e552d6aa30b5d93c45902eb13_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edd1db2e552d6aa30b5d93c45902eb13_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:804
    • C:\Users\Admin\yauoq.exe
      "C:\Users\Admin\yauoq.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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    124KB

    MD5

    192a3a614ee192dee23056b821ed15ef

    SHA1

    98b36b7cbf35583dae12991a627c34d88464ec4b

    SHA256

    36881fa568c1b83ba62592767db638e24f9ca2ed7dcd9d7e596a93ddb2818cc9

    SHA512

    442f3af280b9b2c0b2c51d0b456599693d99dd8726f3b6b370ee451fed9cd457dcdfcc1e63fe2159a103bc1903f316d04789fad74ab17b5a72831b8cf1c773ab

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