Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2024 13:49

General

  • Target

    98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe

  • Size

    1019KB

  • MD5

    98539cd496816d584ee3b71988fa3df8

  • SHA1

    85b9f77eccb7f413b79216c6d5cd6f0dc2bb878c

  • SHA256

    1dbbc7c4da00acd7ae17d3b37197cd559412d779024efd6fff22e35852a33619

  • SHA512

    d30921f8034e94e43e9a4991353aa2109a0ce73cf22ded41218892c0ec9f42a832a8802339c1bf2a31539dae8cd8ee817695c0cbd7ce6307daa15eb19b140685

  • SSDEEP

    12288:vbLu0mLFPuv2zv1gVzYx8DC3+qZWvQvcA3s6V9oqodtT6QNKXQwhUPe/+ykONWxM:vfup52VnmdYYvF3LoP6QNKXQyC2LS

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe"
      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:2684
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\98539cd496816d584ee3b71988fa3df8_JaffaCakes118.exe'
        3⤵
        • Deletes itself
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2684-24-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-23-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-13-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-26-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-11-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2684-22-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-10-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2684-27-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2868-6-0x00000000051E0000-0x000000000528A000-memory.dmp

    Filesize

    680KB

  • memory/2868-8-0x0000000005040000-0x00000000050CA000-memory.dmp

    Filesize

    552KB

  • memory/2868-25-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/2868-2-0x0000000000350000-0x0000000000368000-memory.dmp

    Filesize

    96KB

  • memory/2868-7-0x0000000000940000-0x0000000000946000-memory.dmp

    Filesize

    24KB

  • memory/2868-1-0x0000000000C00000-0x0000000000D04000-memory.dmp

    Filesize

    1.0MB

  • memory/2868-5-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-4-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/2868-3-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB