Analysis

  • max time kernel
    88s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 16:12

General

  • Target

    582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe

  • Size

    773KB

  • MD5

    847ebb85ec30a8d241155a181e772406

  • SHA1

    ccf35f05ee42e72c8e61aa19de10000c312ce47a

  • SHA256

    582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94

  • SHA512

    afbf0e6b596ce937b4da95f5c0d3ca4470701f0bb860143a57e690e31c8c3c676e454f58922e87d12bcab279808f1c806320766ad135c0e2145e1fe158f5448b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    andrea.santox@yandex.com
  • Password:
    Thiago!!!

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
    "C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
      C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1208
      • 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
        PID:1660
      • 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⤵
          PID:524

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/524-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/524-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/524-81-0x0000000000442628-mapping.dmp
    • memory/524-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1032-56-0x0000000000290000-0x0000000000298000-memory.dmp
      Filesize

      32KB

    • memory/1032-57-0x00000000762D1000-0x00000000762D3000-memory.dmp
      Filesize

      8KB

    • memory/1032-59-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/1208-79-0x00000000748D0000-0x0000000074E7B000-memory.dmp
      Filesize

      5.7MB

    • memory/1208-67-0x0000000000480000-0x0000000000512000-memory.dmp
      Filesize

      584KB

    • memory/1208-88-0x00000000068E5000-0x00000000068F6000-memory.dmp
      Filesize

      68KB

    • memory/1208-58-0x000000000049FAF5-mapping.dmp
    • memory/1208-63-0x0000000000400000-0x0000000000478000-memory.dmp
      Filesize

      480KB

    • memory/1208-77-0x00000000068E5000-0x00000000068F6000-memory.dmp
      Filesize

      68KB

    • memory/1208-71-0x00000000748D0000-0x0000000074E7B000-memory.dmp
      Filesize

      5.7MB

    • memory/1208-70-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/1208-69-0x0000000077700000-0x0000000077880000-memory.dmp
      Filesize

      1.5MB

    • memory/1208-66-0x0000000000482000-0x000000000050B000-memory.dmp
      Filesize

      548KB

    • memory/1660-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1660-84-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1660-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1660-73-0x0000000000411654-mapping.dmp
    • memory/1660-72-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB