Analysis

  • max time kernel
    137s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 20:25

General

  • Target

    b5116623b3eda02e08f24d54ea9b4b7a86e7aa8dcfebdded3f0c82edc6a6aee4.exe

  • Size

    540KB

  • MD5

    2821709759d193d03ff8806abf0df105

  • SHA1

    61e0a88c2b4e16d36a0aa82c3f0429e3c556516d

  • SHA256

    b5116623b3eda02e08f24d54ea9b4b7a86e7aa8dcfebdded3f0c82edc6a6aee4

  • SHA512

    6b3d802d726e292777fadb54142ed17ed66dd0ba22c3f7a8622e03c1a2ac0a77c7e0e61818dff45f7d3c88155e2b67ae03c5efdab94ecfb96cc74e82a678a777

  • SSDEEP

    6144:mu2GrLbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9RD2:FQtqB5urTIoYWBQk1E+VF9mOx9R1Q

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 10 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
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5116623b3eda02e08f24d54ea9b4b7a86e7aa8dcfebdded3f0c82edc6a6aee4.exe
    "C:\Users\Admin\AppData\Local\Temp\b5116623b3eda02e08f24d54ea9b4b7a86e7aa8dcfebdded3f0c82edc6a6aee4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1756
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:1072
    • 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"
      2⤵
        PID:2008
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 1060
        2⤵
          PID:1920

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\holdermail.txt

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • memory/1072-56-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1072-57-0x0000000000411654-mapping.dmp

      • memory/1072-60-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1072-62-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1072-69-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1756-71-0x0000000000A95000-0x0000000000AA6000-memory.dmp

        Filesize

        68KB

      • memory/1756-55-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1756-61-0x0000000000A95000-0x0000000000AA6000-memory.dmp

        Filesize

        68KB

      • memory/1756-63-0x00000000742C0000-0x000000007486B000-memory.dmp

        Filesize

        5.7MB

      • memory/1756-54-0x0000000075141000-0x0000000075143000-memory.dmp

        Filesize

        8KB

      • memory/1920-74-0x0000000000000000-mapping.dmp

      • memory/2008-64-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2008-70-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2008-68-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2008-72-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2008-65-0x0000000000442628-mapping.dmp