Overview

overview

10

Static

static

3

689c54b994...18.exe

windows7-x64

10

689c54b994...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2024, 19:26

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General

  • Target

    689c54b994f747e9f89528e1ceeb16b8_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    689c54b994f747e9f89528e1ceeb16b8

  • SHA1

    5200f013afa008682f02b54439c552db1eb1f50f

  • SHA256

    132d5fdc6f046ac991eafb8c6d3606176d55f22bc082055e850a5f40950815ee

  • SHA512

    fb94fd4260d1b9aa704629ff64c3902559bd626e162f40ec584ca9c707463ec97ac401f318e03e808387e0ce53e8d6d0457834e049b8d6554d30972dabafce7f

  • SSDEEP

    1536:PitkjzTQ/ULU0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeRPNeG0h/y:okjI8LU0GgAT9QIq

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\689c54b994f747e9f89528e1ceeb16b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\689c54b994f747e9f89528e1ceeb16b8_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:800
    • C:\Users\Admin\juifeir.exe
      "C:\Users\Admin\juifeir.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:544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    124KB

    MD5

    89c5a81d6441ab9c6294200614151a87

    SHA1

    8922fd453356bef27e0f6d05708f0d92449830eb

    SHA256

    3a459a8a206b2ece290f33e8e9319ef954cfae4072cf8de3285ba0dc4cb2651d

    SHA512

    d0e3ceeba71b4d8ee16ab90f2f7d74571d9d4bf7cbc1bd6bb94db1c40d8a4506a5c36651db5f529be5beac7b60cc6e2792150b332195820da3f3d230374a334d

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