Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:00

General

  • Target

    444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe

  • Size

    592KB

  • MD5

    e72e3c61788b28a0a6992500fe50b273

  • SHA1

    1c4b6f92a57ac18219e27c6b312bf4b24a08b871

  • SHA256

    444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9

  • SHA512

    fa45a4949c357daf3edb5f14eb0cb625d2f88339f0e4974b203f20d5cdf53f045cb6c51daf750f3a6bb666fa435f38d3b57e997082114203ce68f92b4e1449c7

  • SSDEEP

    12288:WdX4TPfF/uuu7zfXnEKKL94IjnfqKvYLsq/Fxlk:WdX4THh447fvYLtl

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qwerty@12345

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
  • 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 2 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 5 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\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
    "C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
      "C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"
      2⤵
        PID:3772
      • C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
        "C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3828
        • 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:2236
        • 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⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4388

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/2068-136-0x0000000074B50000-0x0000000075101000-memory.dmp
      Filesize

      5.7MB

    • memory/2068-132-0x0000000074B50000-0x0000000075101000-memory.dmp
      Filesize

      5.7MB

    • memory/2236-141-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2236-138-0x0000000000000000-mapping.dmp
    • memory/2236-139-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2236-142-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/3772-133-0x0000000000000000-mapping.dmp
    • memory/3828-135-0x0000000000400000-0x000000000048C000-memory.dmp
      Filesize

      560KB

    • memory/3828-137-0x0000000074B50000-0x0000000075101000-memory.dmp
      Filesize

      5.7MB

    • memory/3828-134-0x0000000000000000-mapping.dmp
    • memory/3828-143-0x0000000074B50000-0x0000000075101000-memory.dmp
      Filesize

      5.7MB

    • memory/4388-144-0x0000000000000000-mapping.dmp
    • memory/4388-145-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4388-147-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4388-149-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB