Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 12:47

General

  • Target

    d1f7ecafc4c04756d0c28dedef0eab46_JaffaCakes118.exe

  • Size

    70KB

  • MD5

    d1f7ecafc4c04756d0c28dedef0eab46

  • SHA1

    53110ab6a6567d07c45579c3521f9e8ebbc5138d

  • SHA256

    59363892458665bc5c9d40c75df376b27d3cc376f080872f5dd35019c3e665d4

  • SHA512

    a53ffb8e9da9932c5c0e5fcae040d076c44ccb441b727735625b69883154c1a92e7747e2283c053e6b197c0476cf915cc9d27d099659a7d66d5ec346319a3acc

  • SSDEEP

    1536:9YaanUI1rYKGZfl6MafHmibbqxDWFAUsWd8BR27MDU5yfmcYub:uam1MPZtcGubv8Wd8v27klfmc1

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1f7ecafc4c04756d0c28dedef0eab46_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d1f7ecafc4c04756d0c28dedef0eab46_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Windows\bfsvc.exe
      C:\Windows\bfsvc.exe
      2⤵
        PID:3920
      • C:\Windows\bfsvc.exe
        C:\Windows\bfsvc.exe
        2⤵
          PID:2640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/3424-0-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3424-1-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3424-2-0x000000006B800000-0x000000006B8F0000-memory.dmp

        Filesize

        960KB

      • memory/3424-17-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB