Overview

overview

10

Static

static

3

875235c57f...18.exe

windows7-x64

10

875235c57f...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 19:15

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General

  • Target

    875235c57f647fc0fd9d41d97a616cde_JaffaCakes118.exe

  • Size

    148KB

  • MD5

    875235c57f647fc0fd9d41d97a616cde

  • SHA1

    e1a0c8636340776fd723fd7623ce23b2e45ff2fc

  • SHA256

    269253c3074f817d725b7e3717e2eee00ce7a877430973bdaf98ca8dfa39cacf

  • SHA512

    b225c8395cdb5f85a9b642786e75a947f38b94a73fe1a7ef0cf87583a937643911bf92b1f90913a9e753b6ac9cd9623db1e41350ded14a28ec6cbfdbc9cf9d89

  • SSDEEP

    3072:QiFvQh4mRpDGq7At/yRWr2wA3pnbMUq8hFOdhIY/E5j4oQ7g:/F4h96F90Wf4nJPwdmdJ

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 52 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\875235c57f647fc0fd9d41d97a616cde_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\875235c57f647fc0fd9d41d97a616cde_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:3492
    • C:\Users\Admin\riuej.exe
      "C:\Users\Admin\riuej.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:4260

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          148KB

          MD5

          41e6b5295bed8c354e98fe81cebd63d7

          SHA1

          393206965743712e398087dae73e9a738d95cc76

          SHA256

          51dda61f8c3d536890d6da459d4a04f4753fd5a07738665aef6059c89f9d39e4

          SHA512

          02b01fb9679617605672102723e4098e74c4b9737b4d1b597d2ed13ef7a0264c776aa6f25e346b48794c9b23055e51e4bf0ae778972dfb7b786a4a6a811a36fd

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