Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 17:33

General

  • Target

    a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d.exe

  • Size

    754KB

  • MD5

    bb9c508022b4a40e2a23d5a9c80c74b5

  • SHA1

    e7efb7f0187452345e25a2486519fbd2db99e050

  • SHA256

    a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d

  • SHA512

    87584f8acd5e672ec1072bda2dd9a6884b4519e388c1e3bacdcfd5a1670c224c942e1a8bd900cb04bad8092da533cd88c4588dee3610beaf54408934df274d75

  • SSDEEP

    12288:p1jdALZeOUKBbUn/z0JVbHhAzruwKi3Zjh9wGepagkl2cuo1iR2fFb:pZdA1eXKBe/zAOGwKeFh9Re2YcHq2f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    impact110

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
  • 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 behavior: EnumeratesProcesses 64 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\a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d.exe
    "C:\Users\Admin\AppData\Local\Temp\a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d.exe
      "C:\Users\Admin\AppData\Local\Temp\a20ac4fecec76e2d604a04400466f55ad5e7f9caa6ce9e2a135e88bac9cc4e5d.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1064
      • 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:1688
      • 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:1912

    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/1064-69-0x00000000748F0000-0x0000000074E9B000-memory.dmp
      Filesize

      5.7MB

    • memory/1064-72-0x00000000748F0000-0x0000000074E9B000-memory.dmp
      Filesize

      5.7MB

    • memory/1064-57-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-58-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-60-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-61-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-62-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-63-0x000000000047EA7E-mapping.dmp
    • memory/1064-65-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1064-67-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/1688-78-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1688-73-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1688-79-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1688-77-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1688-74-0x0000000000411654-mapping.dmp
    • memory/1912-81-0x0000000000442628-mapping.dmp
    • memory/1912-80-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1912-84-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1912-85-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1912-87-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2016-56-0x0000000002115000-0x0000000002126000-memory.dmp
      Filesize

      68KB

    • memory/2016-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
      Filesize

      8KB

    • memory/2016-71-0x0000000002115000-0x0000000002126000-memory.dmp
      Filesize

      68KB

    • memory/2016-70-0x00000000748F0000-0x0000000074E9B000-memory.dmp
      Filesize

      5.7MB

    • memory/2016-55-0x00000000748F0000-0x0000000074E9B000-memory.dmp
      Filesize

      5.7MB