Analysis

  • max time kernel
    130s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 08:52

General

  • Target

    8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe

  • Size

    774KB

  • MD5

    68a41808ee9c962f1b2ddd6c66bd86f5

  • SHA1

    1f18c2a5bc5f1be2b2857f6b3943a8d3cfb1a28d

  • SHA256

    8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8

  • SHA512

    c04719c25a8f4882ea951ea96af4715e041ebda783a5a833717614a3f3865c51202dda786cb87f7b84d4f834ae6c1ef4619ced72d4c16c5e60d8c51d5c747acd

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
    "C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
      "C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:808
      • 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:592
      • 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:1368

    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/592-71-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-84-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-76-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-75-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/592-72-0x0000000000411654-mapping.dmp
    • memory/808-70-0x00000000741A0000-0x000000007474B000-memory.dmp
      Filesize

      5.7MB

    • memory/808-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-65-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-63-0x000000000047EA7E-mapping.dmp
    • memory/808-67-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-77-0x00000000741A0000-0x000000007474B000-memory.dmp
      Filesize

      5.7MB

    • memory/808-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-58-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/808-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1368-79-0x0000000000442628-mapping.dmp
    • memory/1368-78-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1368-82-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1368-83-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1368-86-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1912-54-0x0000000074F01000-0x0000000074F03000-memory.dmp
      Filesize

      8KB

    • memory/1912-69-0x00000000741A0000-0x000000007474B000-memory.dmp
      Filesize

      5.7MB

    • memory/1912-56-0x00000000741A0000-0x000000007474B000-memory.dmp
      Filesize

      5.7MB

    • memory/1912-55-0x00000000741A0000-0x000000007474B000-memory.dmp
      Filesize

      5.7MB