Analysis

  • max time kernel
    104s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:24

General

  • Target

    c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747.exe

  • Size

    611KB

  • MD5

    c50f5faa258a4ba17024d057656bd214

  • SHA1

    0ae4b56b611fc62ddfc461c6c4f469fd70d34575

  • SHA256

    c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747

  • SHA512

    628f710a8545c10b9754eedcf5c37e9d7c51ec46fe9bf97caa6599d7d2de92ebe6ca36f7a1e50cbee00b209bae4aa542c3392ed67d74b5246ff0a7b574550663

  • SSDEEP

    12288:Ou8ZNQ0jQHf12pngbTZTu8wv+KjjALK32G6Pu:L6Ngd26tu8C+KjcL22

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747.exe
    "C:\Users\Admin\AppData\Local\Temp\c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747.exe
      "C:\Users\Admin\AppData\Local\Temp\c84da41844f93cb56561c1190d9f9ddc1f5f732df4f7c9d7e8b1546bb93e3747.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:932
      • 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:1468
      • 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:520

    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/520-85-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/520-91-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/520-90-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/520-89-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/520-86-0x0000000000442628-mapping.dmp

    • memory/932-63-0x000000000047EA7E-mapping.dmp

    • memory/932-61-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-64-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-65-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-69-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-72-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-93-0x0000000000515000-0x0000000000526000-memory.dmp

      Filesize

      68KB

    • memory/932-75-0x0000000074840000-0x0000000074DEB000-memory.dmp

      Filesize

      5.7MB

    • memory/932-76-0x0000000074840000-0x0000000074DEB000-memory.dmp

      Filesize

      5.7MB

    • memory/932-57-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-58-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-60-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/932-82-0x0000000000515000-0x0000000000526000-memory.dmp

      Filesize

      68KB

    • memory/1468-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1468-84-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1468-83-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1468-78-0x0000000000411654-mapping.dmp

    • memory/1468-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1992-54-0x0000000076141000-0x0000000076143000-memory.dmp

      Filesize

      8KB

    • memory/1992-56-0x0000000074840000-0x0000000074DEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1992-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

      Filesize

      5.7MB

    • memory/1992-74-0x0000000074840000-0x0000000074DEB000-memory.dmp

      Filesize

      5.7MB