Overview

overview

10

Static

static

3

723e598908...18.exe

windows7-x64

10

723e598908...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 02:25

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General

  • Target

    723e598908ce3a6f3b366c3e216099df_JaffaCakes118.exe

  • Size

    132KB

  • MD5

    723e598908ce3a6f3b366c3e216099df

  • SHA1

    e2ad4b8573ee3fe6023e2df5686ff82fb62ea276

  • SHA256

    a4a9453dc52b14ad6170884f26a06eedf92edd4646fca1056799829cf31b313f

  • SHA512

    6efdba7d3b0858b345f11db56e35047dacc3f5deb8178a211a46eb3e24d419ee011932be977053acd3ced627876d1f28978b5023123a0b4ac8ecfdef0b58ee59

  • SSDEEP

    1536:4toayeTlOX9ixXVG4E2JUXJ3Ue05zn/bzPe9Xjwo7JaS:YyeTlS9ixFG4EU/bGzwQ

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 51 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\723e598908ce3a6f3b366c3e216099df_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\723e598908ce3a6f3b366c3e216099df_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:1536
    • C:\Users\Admin\siifeub.exe
      "C:\Users\Admin\siifeub.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:3444

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          132KB

          MD5

          25e74297469b8dc548496b5104d2516c

          SHA1

          166c66d5ce747ec842ae5b9bfc285fc0fc46401d

          SHA256

          7aea7709142de7cb12f05d3a2289e7bcc7701b99427b31e51453f0df4f661dd4

          SHA512

          214c0f710ab2b32eb56229756cf5523eead6fd9367ff0c889a922fdabeb8537d2930c7aff4a550921d1413f11162a184c3bd5cd797f964be7d08ae91aad611b5

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