Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 03:26

General

  • Target

    599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe

  • Size

    721KB

  • MD5

    a4ea055668d3769fe490554d674db71d

  • SHA1

    714f4799053565be5d5122f5d2291c796a162e5e

  • SHA256

    599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16

  • SHA512

    f0cc698250ce49a076b1786d5913a65796872f2e64251b71e62887758c0987ac376e50ae4b7177dbf4c187e8220d6eb1960e8eebffa8d34f6f8c2a7631c48595

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.zoho.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Onyedikachi!1993

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
  • Adds Run key to start application 2 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe
    "C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe
      C:\Users\Admin\AppData\Local\Temp\599b3363ffefa7e364574f9c8c6d5978999c2066dd905658ad9b88626624ce16.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4056
      • 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:2160
      • 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:4520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/2160-150-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2160-149-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2160-147-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3444-134-0x0000000077CC0000-0x0000000077E63000-memory.dmp

      Filesize

      1.6MB

    • memory/3444-132-0x0000000002290000-0x0000000002296000-memory.dmp

      Filesize

      24KB

    • memory/4056-140-0x0000000006B50000-0x0000000006BE6000-memory.dmp

      Filesize

      600KB

    • memory/4056-145-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4056-144-0x0000000077CC0000-0x0000000077E63000-memory.dmp

      Filesize

      1.6MB

    • memory/4056-143-0x0000000077CC0000-0x0000000077E63000-memory.dmp

      Filesize

      1.6MB

    • memory/4056-137-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/4056-151-0x0000000077CC0000-0x0000000077E63000-memory.dmp

      Filesize

      1.6MB

    • memory/4056-152-0x0000000075330000-0x00000000758E1000-memory.dmp

      Filesize

      5.7MB

    • memory/4520-154-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4520-156-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4520-158-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB