Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-05-2024 11:03

General

  • Target

    4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe

  • Size

    908KB

  • MD5

    4facc867a958dfe3d5a9d8cdab7e4db1

  • SHA1

    bafa19764cde001ade84889ebc3c954a5435f9da

  • SHA256

    edd78f30579d9a9035507295bb86fa21efa215f45b19df755edff9f3cef06283

  • SHA512

    190541bdc5fee6b709e8f55eb36b9c55735f4c0085cb60fb5d0b04e8bbd7b412eb03a713cad018f6e32d9fa7716ac55e6454df9835a6598aa7a046729c6bc976

  • SSDEEP

    24576:0Ds3wrDDQwi6sENDmgGhrBezyR+tbMVC+a3akdGNzcaD:0DprPQ6sy6gI7eoQtKEGvD

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 2 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • 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:2824
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\4facc867a958dfe3d5a9d8cdab7e4db1_JaffaCakes118.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2604-22-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2604-4-0x000000007490E000-0x000000007490F000-memory.dmp
    Filesize

    4KB

  • memory/2604-0-0x000000007490E000-0x000000007490F000-memory.dmp
    Filesize

    4KB

  • memory/2604-3-0x0000000000950000-0x0000000000962000-memory.dmp
    Filesize

    72KB

  • memory/2604-1-0x0000000000DD0000-0x0000000000EBA000-memory.dmp
    Filesize

    936KB

  • memory/2604-5-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2604-6-0x0000000005FD0000-0x000000000608E000-memory.dmp
    Filesize

    760KB

  • memory/2604-7-0x000000000A830000-0x000000000A8F4000-memory.dmp
    Filesize

    784KB

  • memory/2604-2-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-21-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-20-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-23-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-17-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-15-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2824-12-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-10-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-9-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-8-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/2824-24-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-27-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB