Analysis

  • max time kernel
    152s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:34

General

  • Target

    Versanddetails.exe

  • Size

    596KB

  • MD5

    269a05d36d071c206dc87187d6136352

  • SHA1

    85f8c093f487db02ebbbda53d0893be9bdbc0ace

  • SHA256

    b774ad4c9780bdb6e4fec9dbd688f1ac6d0ee75e9771c64de99e1f5152e0b385

  • SHA512

    2449cc3e98eb46ffb373552fe1ca7cca4fea9628482e0f3214a2ef19a97240b184eca1191607e6406d810238ef8a0a29030867bec0baf44a7c480d485d661ebc

Malware Config

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 5 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe
    "C:\Users\Admin\AppData\Local\Temp\Versanddetails.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:324
      • 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:1296
      • 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:336

    Network

    MITRE ATT&CK Enterprise v6

    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/324-57-0x0000000000480C5E-mapping.dmp
    • memory/324-60-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB

    • memory/324-61-0x0000000000E35000-0x0000000000E46000-memory.dmp
      Filesize

      68KB

    • memory/324-62-0x0000000000AA0000-0x0000000000AA8000-memory.dmp
      Filesize

      32KB

    • memory/336-69-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/336-74-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/336-73-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/336-70-0x0000000000442628-mapping.dmp
    • memory/1296-63-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1296-67-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1296-68-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1296-64-0x0000000000411654-mapping.dmp
    • memory/1968-54-0x00000000011E0000-0x000000000127C000-memory.dmp
      Filesize

      624KB

    • memory/1968-58-0x0000000000380000-0x0000000000383000-memory.dmp
      Filesize

      12KB

    • memory/1968-56-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
      Filesize

      8KB

    • memory/1968-55-0x00000000005A0000-0x0000000000630000-memory.dmp
      Filesize

      576KB