Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    17-07-2022 01:43

General

  • Target

    c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358.exe

  • Size

    668KB

  • MD5

    e3f0a2033a78e307a71320217ef738bc

  • SHA1

    c27e02a95ee0a960cfca209db890c4508fcf4954

  • SHA256

    c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358

  • SHA512

    8e24817a9192dfe21240b3fe5e909938650e4706fd7f1b62cf47091f90efbf2003290af55b65c6c4656610d02c0433c71aaf14a03eb38da67ec874539e48d4ab

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    application@

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 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\c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358.exe
    "C:\Users\Admin\AppData\Local\Temp\c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358.exe
      C:\Users\Admin\AppData\Local\Temp\c111b6a522bd2d810182c96174d6e5b06396a07fe06a711d7d018b517461e358.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1044
      • 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: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\holderwb.txt"
        3⤵
          PID:2032

    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/324-76-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/324-83-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/324-82-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/324-80-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1044-63-0x0000000000400000-0x00000000004A7000-memory.dmp

      Filesize

      668KB

    • memory/1044-81-0x00000000000A5000-0x00000000000B6000-memory.dmp

      Filesize

      68KB

    • memory/1044-68-0x0000000001F60000-0x0000000001FF4000-memory.dmp

      Filesize

      592KB

    • memory/1044-71-0x0000000077670000-0x0000000077819000-memory.dmp

      Filesize

      1.7MB

    • memory/1044-72-0x0000000077850000-0x00000000779D0000-memory.dmp

      Filesize

      1.5MB

    • memory/1044-73-0x0000000074A20000-0x0000000074FCB000-memory.dmp

      Filesize

      5.7MB

    • memory/1044-74-0x0000000000220000-0x0000000000227000-memory.dmp

      Filesize

      28KB

    • memory/1044-75-0x0000000074A20000-0x0000000074FCB000-memory.dmp

      Filesize

      5.7MB

    • memory/1044-92-0x00000000000A5000-0x00000000000B6000-memory.dmp

      Filesize

      68KB

    • memory/1044-65-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1204-60-0x0000000077670000-0x0000000077819000-memory.dmp

      Filesize

      1.7MB

    • memory/1204-59-0x0000000000240000-0x0000000000247000-memory.dmp

      Filesize

      28KB

    • memory/1204-61-0x0000000077850000-0x00000000779D0000-memory.dmp

      Filesize

      1.5MB

    • memory/1204-57-0x0000000076231000-0x0000000076233000-memory.dmp

      Filesize

      8KB

    • memory/1204-56-0x0000000000240000-0x0000000000247000-memory.dmp

      Filesize

      28KB

    • memory/2032-84-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2032-88-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2032-89-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2032-91-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB