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Overview

overview

10

Static

static

3

d5e8f1c6dc...18.exe

windows7-x64

10

d5e8f1c6dc...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/09/2024, 07:56

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General

  • Target

    d5e8f1c6dce543ec57f0f107c92ce585_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    d5e8f1c6dce543ec57f0f107c92ce585

  • SHA1

    75f8ae21e1c65b2c0162dc02486b5c46df76d8c7

  • SHA256

    67a26c231cf0b1213169de2a3e588d59dc49a63fe954801c0d6cf2983ada867c

  • SHA512

    68b6a57e54b3ed9c5c05757eb5f88256b2712c1cd46d1580b9c0274ca78d2c8b74a7c4bcf9c8a5ebdf0ad1664debc99d03d2d10e009546c6c479b3bd2aa4a199

  • SSDEEP

    6144:EUA3dwqsNwemAB0EqxF6snji81RUinKchhyXSQL:6dQQJsiw

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 27 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5e8f1c6dce543ec57f0f107c92ce585_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5e8f1c6dce543ec57f0f107c92ce585_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\yetuz.exe
      "C:\Users\Admin\yetuz.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:688

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • \Users\Admin\yetuz.exe
    Filesize

    240KB

    MD5

    b64e2e6e522cc15ee7703e5b92964665

    SHA1

    8dad41c623fc05d298669c1619b25c024c851840

    SHA256

    037789fe94f1e44e137a7cbcb10dc2f55a269e3f17e1110eb52a897f8f70d4c9

    SHA512

    95273b055f54e7e17cff45417176b25da4dea20c7ae57cfa33faac9c6512285027380dc3a3f772117f359adc1edef8c95b9e4028e73dc9ffaff94e1c258bd48a

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