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Overview

overview

10

Static

static

3

eed8fb9368...18.exe

windows7-x64

10

eed8fb9368...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 01:51

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General

  • Target

    eed8fb9368662b4756e4702920613f25_JaffaCakes118.exe

  • Size

    128KB

  • MD5

    eed8fb9368662b4756e4702920613f25

  • SHA1

    50c6727735f21fecd4b1555a0dcdb1667fb881d7

  • SHA256

    6d43df4d3cf508671b3f4a198a344eac57061242c3e26b06f4e0badd87cb0020

  • SHA512

    1b9c697d9f85b45e00a3645091b688e54a853fbf912a9c9d6b09203c823b79f040d61db6c04322503746b8ab28d8290b6a355440f01fefad1c2766aa31d03623

  • SSDEEP

    3072:yrBcplToPac4lUKjxcnz/Lj3UtDzkknldlTlIvLK:ylcplToSUacnz/Lj3U9wOlGD

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\eed8fb9368662b4756e4702920613f25_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eed8fb9368662b4756e4702920613f25_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:432
    • C:\Users\Admin\sfyaim.exe
      "C:\Users\Admin\sfyaim.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:1920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    128KB

    MD5

    13fa0bcff60456c9590b62ecf8274244

    SHA1

    c5e7c7d8277cd79c569a83229426d52205ea6a66

    SHA256

    d492e81480a1762f2715857ef7cb609f8388231b265d7c02168c09642f65e16b

    SHA512

    eb0aa81e26cf1abc3085b8ba58c35ed1c3a32c55b2975f975c006baccf7031bde3ccbf14c901a4101b5f57167e7fdecdba6adbb88b669ca4196b4e1a16d0ff39

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