Analysis

  • max time kernel
    153s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:06

General

  • Target

    dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe

  • Size

    1.9MB

  • MD5

    589b3749e7279e109b1ae87eb409454e

  • SHA1

    672d90b2288578769c8930f807a7b741d47cb0ac

  • SHA256

    dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08

  • SHA512

    428d82e88207a06584aa9c7cc6457c5358116a680cd0f786477c54ab3256f3334c529e907036a8c2071418a2544e38cf0fa4e0ed80b5bb27d948d8ed848f0d57

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    204@goldsmiths-uk.com
  • Password:
    QWERTY123@@##

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 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 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe
    "C:\Users\Admin\AppData\Local\Temp\dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1992
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1536
      • 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:1960
      • 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:1776

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    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/1536-65-0x00000000745D0000-0x0000000074B7B000-memory.dmp
      Filesize

      5.7MB

    • memory/1536-76-0x0000000000A86000-0x0000000000A97000-memory.dmp
      Filesize

      68KB

    • memory/1536-59-0x00000000745D0000-0x0000000074B7B000-memory.dmp
      Filesize

      5.7MB

    • memory/1536-66-0x0000000000A86000-0x0000000000A97000-memory.dmp
      Filesize

      68KB

    • memory/1536-56-0x0000000000480BEE-mapping.dmp
    • memory/1776-70-0x0000000000442628-mapping.dmp
    • memory/1776-75-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1776-73-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1776-69-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1960-61-0x0000000000411654-mapping.dmp
    • memory/1960-60-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-68-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-64-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1960-67-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1992-54-0x00000000768D1000-0x00000000768D3000-memory.dmp
      Filesize

      8KB

    • memory/1992-57-0x00000000040C0000-0x0000000004143000-memory.dmp
      Filesize

      524KB

    • memory/1992-55-0x0000000002B50000-0x0000000002BD3000-memory.dmp
      Filesize

      524KB