Analysis

  • max time kernel
    144s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2024 13:46

General

  • Target

    721fc9603ce2f698832856691759e8d1_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    721fc9603ce2f698832856691759e8d1

  • SHA1

    ab1fefaa0863fc787b4cf8cbe94be559d20586c3

  • SHA256

    726c91cce56e7f2984e3df904e902a892699f18061cc6934d14b7998d04e53d2

  • SHA512

    03cc0753ea33eb241dcff3bf11833f9a4972be59595f9bdbb77bc3afb05fbdb9b394c9b21a632140f8d4a8e4c38b884ba56750661ecc15e17cfdad00b43016f1

  • SSDEEP

    24576:bAHnh+eWsN3skA4RV1Hom2KXMmHavFmN0CldmeK15O9EE8HSpSyD5:2h+ZkldoPK8YabC

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zxcvbn@123

Signatures

  • HawkEye

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 9 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 3 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\721fc9603ce2f698832856691759e8d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\721fc9603ce2f698832856691759e8d1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1316
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:4892
      • 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"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1316-21-0x0000000074D02000-0x0000000074D03000-memory.dmp

    Filesize

    4KB

  • memory/1316-1-0x0000000000140000-0x00000000001C8000-memory.dmp

    Filesize

    544KB

  • memory/1316-6-0x0000000074D02000-0x0000000074D03000-memory.dmp

    Filesize

    4KB

  • memory/1316-7-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1316-8-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1316-9-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1316-36-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1316-35-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1316-25-0x0000000074D00000-0x00000000752B1000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-0-0x0000000003AC0000-0x0000000003AC1000-memory.dmp

    Filesize

    4KB

  • memory/2840-24-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2840-22-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2840-26-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2840-34-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4892-16-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4892-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4892-18-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/4892-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4892-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB