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Overview

overview

7

Static

static

3

9ffaf68d07...18.exe

windows7-x64

3

9ffaf68d07...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2024, 21:20

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General

  • Target

    9ffaf68d07fca9c699c1744d61c518e7_JaffaCakes118.exe

  • Size

    2.0MB

  • MD5

    9ffaf68d07fca9c699c1744d61c518e7

  • SHA1

    90169e0268e3fcb26ba2b247bac0f450e388e0a3

  • SHA256

    1c52cc6d52308e62ed7d44554777c72bb90e65a47af4a35bd4d7f47de1c61404

  • SHA512

    3fbd5e6b4eb10b1ca429c20dd190cabc204f3fad0307cf0320c2ad572ec2aa7f995b5b16023d8070895aefeb03051e1eb2ccda9fbffb793e40910ef2249b8640

  • SSDEEP

    24576:5uAYvHgD8f7dctwYb70fvjDLxrmi31h7ROV0GRAS54thO5P7X0GRz63zZH9/kD+U:Sx7dYb7QTxV1FRO7CtQj0q631c+hq

Score
7/10
discovery

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ffaf68d07fca9c699c1744d61c518e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9ffaf68d07fca9c699c1744d61c518e7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\inchirieri.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      PID:4316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\inchirieri.txt
    Filesize

    314KB

    MD5

    efae0ca68385d6b527d07420f7354c61

    SHA1

    431ec8b295295ce0359d1125f21e55904af5c4f0

    SHA256

    9368979239fb2ff213bb7dbaa1952451373aba9b121cf45b6fb43f0e45531e9d

    SHA512

    b13a2dfbb2dab0482d043d4903cb7ebb989f9c15e106d33435db1425bd6f02c4dccfc702c1797ea6eabd4db44c77a821a62b7a5c322a85c11f12aaa22bc539bb

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