Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 03:22

General

  • Target

    cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe

  • Size

    875KB

  • MD5

    cc256b4155d83aac597f920ddd4cd1fb

  • SHA1

    7b03dcd8fd8ef4eff9aaf68291b5a8103cb26ebf

  • SHA256

    983d5230e9c25016185e43b439e5d42e5018b0688dff7a354f4ebf282c4ee76f

  • SHA512

    539d7a2d4297e63747d915e4fc030f672ea4388639a3578a5692e924472bd947f8c7c5668b646d5a6e72c3eb97b8ffecd38847d43c8b27b214e573d22be32d90

  • SSDEEP

    12288:UjuL/eEda46f2LOx3m4ximzo7ZAn3DsJ0ABT0RUPB0zlAXJaukP6vRGktXgj56ux:R/SpTfABT0RUiRS5fnu5O6

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sDFhCCJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E22.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5020
    • C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"
      2⤵
        PID:5012
      • C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"
        2⤵
          PID:4544
        • C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"
          2⤵
          • Checks computer location settings
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:228

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe.log

        Filesize

        1KB

        MD5

        17573558c4e714f606f997e5157afaac

        SHA1

        13e16e9415ceef429aaf124139671ebeca09ed23

        SHA256

        c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

        SHA512

        f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

      • C:\Users\Admin\AppData\Local\Temp\tmp8E22.tmp

        Filesize

        1KB

        MD5

        244b3ace98a6fdf77d88f947e055c3ce

        SHA1

        d3a0a8ee8189ed038122bcd170c02c00f8d53443

        SHA256

        70d121de25b06af17fe1e82b56b42bc74277168a28c339bdce6867cda4af1430

        SHA512

        2e43c3e9a69068c23ad8187da3ca2577c7ceac68814b8d362ba646ba4e9f3d609517c254024247f87692af22e41e495eb4733b8ca8f8aeb1f733ca7f6e7cedde

      • memory/228-26-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-43-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-18-0x0000000000400000-0x000000000049A000-memory.dmp

        Filesize

        616KB

      • memory/228-39-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-31-0x00000000082E0000-0x00000000082F4000-memory.dmp

        Filesize

        80KB

      • memory/228-30-0x00000000087F0000-0x0000000008840000-memory.dmp

        Filesize

        320KB

      • memory/228-28-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-27-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-25-0x0000000005AA0000-0x0000000005B06000-memory.dmp

        Filesize

        408KB

      • memory/228-23-0x00000000059F0000-0x0000000005A34000-memory.dmp

        Filesize

        272KB

      • memory/228-24-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/228-22-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/3408-4-0x00000000058F0000-0x0000000005982000-memory.dmp

        Filesize

        584KB

      • memory/3408-0-0x000000007470E000-0x000000007470F000-memory.dmp

        Filesize

        4KB

      • memory/3408-5-0x00000000057F0000-0x00000000057FA000-memory.dmp

        Filesize

        40KB

      • memory/3408-2-0x0000000005850000-0x00000000058EC000-memory.dmp

        Filesize

        624KB

      • memory/3408-12-0x00000000067C0000-0x000000000685C000-memory.dmp

        Filesize

        624KB

      • memory/3408-11-0x0000000006510000-0x00000000065CC000-memory.dmp

        Filesize

        752KB

      • memory/3408-10-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/3408-3-0x0000000005EA0000-0x0000000006444000-memory.dmp

        Filesize

        5.6MB

      • memory/3408-9-0x000000007470E000-0x000000007470F000-memory.dmp

        Filesize

        4KB

      • memory/3408-8-0x0000000005810000-0x0000000005818000-memory.dmp

        Filesize

        32KB

      • memory/3408-7-0x00000000059F0000-0x0000000005A46000-memory.dmp

        Filesize

        344KB

      • memory/3408-6-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB

      • memory/3408-1-0x0000000000DB0000-0x0000000000E90000-memory.dmp

        Filesize

        896KB

      • memory/3408-21-0x0000000074700000-0x0000000074EB0000-memory.dmp

        Filesize

        7.7MB