Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 12:34

General

  • Target

    4b18775ec7b1d8359e7aa9c72d6cec2a_JaffaCakes118.exe

  • Size

    720KB

  • MD5

    4b18775ec7b1d8359e7aa9c72d6cec2a

  • SHA1

    7e45e41a8725842b1ca5a69910acf6cf344b9a3f

  • SHA256

    3fceddef72a3dc094c668e1abe7de842afe815d4f56f1cc530e4165ad32d3484

  • SHA512

    7333c987a90e7a99498099499a2e02e3690d29e683ae5425daef83e458eb00fc8f5a3c23c7cf4ab10ea768358116711785f0685283795a8a75cc9b55a9396269

  • SSDEEP

    12288:nrfv5g+OFLHuqgRpIgFHjnzk8/WcmQz0af2GbKepaRBwkYo8KjkZahMeJjdIbDuo:rfve+OFLHuHRpIEHjo8uiZfHKbRiJo83

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bobrossismynanm8

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b18775ec7b1d8359e7aa9c72d6cec2a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4b18775ec7b1d8359e7aa9c72d6cec2a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3324
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:2144
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
        PID:1540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/1540-16-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1540-28-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1540-20-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1540-18-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2144-8-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2144-10-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2144-12-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/3324-15-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp
      Filesize

      4KB

    • memory/3324-11-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-3-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-19-0x0000000074BB2000-0x0000000074BB3000-memory.dmp
      Filesize

      4KB

    • memory/3324-2-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-1-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-29-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-30-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB

    • memory/3324-31-0x0000000074BB0000-0x0000000075161000-memory.dmp
      Filesize

      5.7MB