Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 17:19

General

  • Target

    f423cccffd35959daa3002c39d844710_JaffaCakes118.exe

  • Size

    883KB

  • MD5

    f423cccffd35959daa3002c39d844710

  • SHA1

    9bbb9d44d28ce430f0ebc56f7fe999329e5bcd03

  • SHA256

    d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154

  • SHA512

    538337218d0081cc6bb269b985893ea75642263c13abb6b5ee02655931b3592a2833495b445debf19f4f6c4629a778b75ee8b2790aeab3f30845c63feb80d53d

  • SSDEEP

    12288:+RuGbPyA++rrpQ+L/lM9Ne6vih8LEKeio2nEcN1qmwu2onhCg889BI2:Auc/RrlQ+5M9Ne6vin3CEcjAonhX7BI

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 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 4 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\f423cccffd35959daa3002c39d844710_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f423cccffd35959daa3002c39d844710_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vbeOlRC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60D5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\f423cccffd35959daa3002c39d844710_JaffaCakes118.exe
      "{path}"
      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
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2720
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\f423cccffd35959daa3002c39d844710_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp60D5.tmp

    Filesize

    1KB

    MD5

    08707bc2bf568aa5ba3095f67fb6eae2

    SHA1

    139e767b85587dab831e203a7f0659782a5eaba3

    SHA256

    be8034b9567d13c6979493c526cd029ac4eb6ab33f17d94d84f3b3fc255d8232

    SHA512

    3d5f62bbfc6f25c3c60e76ecc66a2124f190e43f9609b8a4b3544690bf41aaf76a72953bf0fec15ebee93228269491a940afb90846a1c50ea12b5d07161f5f57

  • memory/1832-24-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1832-3-0x0000000000260000-0x0000000000272000-memory.dmp

    Filesize

    72KB

  • memory/1832-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1832-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-6-0x0000000005740000-0x00000000057D4000-memory.dmp

    Filesize

    592KB

  • memory/1832-7-0x0000000005BD0000-0x0000000005C68000-memory.dmp

    Filesize

    608KB

  • memory/1832-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-1-0x00000000011C0000-0x00000000012A4000-memory.dmp

    Filesize

    912KB

  • memory/2720-31-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-22-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-23-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-13-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-12-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-11-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2720-25-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-28-0x0000000005330000-0x000000000536E000-memory.dmp

    Filesize

    248KB

  • memory/2720-29-0x00000000068B0000-0x0000000006940000-memory.dmp

    Filesize

    576KB

  • memory/2720-30-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB