Overview

overview

10

Static

static

3

8d3a5e0d8d...18.exe

windows7-x64

10

8d3a5e0d8d...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
    12/08/2024, 03:58

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General

  • Target

    8d3a5e0d8de333e988931670a9bfb4e2_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    8d3a5e0d8de333e988931670a9bfb4e2

  • SHA1

    c6762294a83fed698bde22fdee0614e8d94a9748

  • SHA256

    454d7df4c359aaaf89046d5988f9461ec8608a4501524407397edf8d37696f98

  • SHA512

    a27b16a5d4bd5ce5170d7f75847adb7ab099e3d7f862f563aed09edc37bd529857b949e5c4b3d65c4a2109723021323ca514a40ceaef809c0c1204025f59c72b

  • SSDEEP

    3072:9+bMaWph5b/VgpalJEBNmKnvmb7/D26Dv82KSaIwbsf3vxY33kiSEzTDySnI0ngF:KMaYhh/W4lJhKnvmb7/D26DE2KSabbqL

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\8d3a5e0d8de333e988931670a9bfb4e2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d3a5e0d8de333e988931670a9bfb4e2_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:3616
    • C:\Users\Admin\huyeh.exe
      "C:\Users\Admin\huyeh.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:1968

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          188KB

          MD5

          f5fb9c9131a17ca99784a104ff31a479

          SHA1

          3864772a1e8565d146420af65ca6cc149112f886

          SHA256

          d26240a6943c10899d8ea0cd59fe0c4c34ceba81bd12bca7158b7f3ac949d3a3

          SHA512

          bb811f4c66a14fede28bc70f0fd8e0c6907375a3bb03317fa42dc70412f36dc8512abfe136a507f4240eefb44de5c894882a1d8252fb77d7cf7d5ace211c5e62

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