Analysis

  • max time kernel
    157s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:26

General

  • Target

    aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe

  • Size

    679KB

  • MD5

    a55c7f3f1a773d7ec913460299b8f4b5

  • SHA1

    de5121270965181e3318774964c8862112f972fc

  • SHA256

    aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578

  • SHA512

    f228abc3ac3dd091ac6ff2cf8d6c4eddf2344de767e4be3ab9e889187e461cec1d1b7af9d62dc180d1b23231fd2b81d51c41e79db7b1406eed63912258f6a609

  • SSDEEP

    12288:26m4U8qiqvbFtjabZbApi/lSDgqymdJOCzLrfZ00:yB8Pq5tOdbkysld4CC

Score
10/10

Malware Config

Extracted

Credentials

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

Signatures

  • NirSoft MailPassView 10 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe
    "C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe
      "C:\Users\Admin\AppData\Local\Temp\aa02038b4097148e856795d9624e5ab9cdf4d304b9a4bf884d84f9f715272578.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1496
      • 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⤵
          PID:1692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1152-54-0x0000000075881000-0x0000000075883000-memory.dmp

      Filesize

      8KB

    • memory/1152-55-0x0000000074AF0000-0x000000007509B000-memory.dmp

      Filesize

      5.7MB

    • memory/1152-56-0x0000000074AF0000-0x000000007509B000-memory.dmp

      Filesize

      5.7MB

    • memory/1152-69-0x0000000074AF0000-0x000000007509B000-memory.dmp

      Filesize

      5.7MB

    • memory/1496-63-0x000000000047EA5E-mapping.dmp

    • memory/1496-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1496-70-0x0000000074AF0000-0x000000007509B000-memory.dmp

      Filesize

      5.7MB

    • memory/1496-71-0x0000000074AF0000-0x000000007509B000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-73-0x0000000000411654-mapping.dmp

    • memory/1692-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1692-76-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1692-77-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB