Analysis

  • max time kernel
    134s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 15:42

General

  • Target

    INVOICE.exe

  • Size

    744KB

  • MD5

    96ff653a4a498f792831a9dff23a53a3

  • SHA1

    0b2a57416e5ef2501da53dcf85393ca75073302a

  • SHA256

    cb2d7edd70d009dcd6878c55cfb1a20b5c8ae4083eca125eee7df1a4da117b25

  • SHA512

    a619036588e34a85bab7b74ff1dcef60daad61ba8ec9d6f8d4cb492b35189f61ac713df1ca8218f315078b834682525f923f5d593e947098c357c74372f835cf

  • SSDEEP

    12288:BAfDuHOXHo9tg650cphYnUSVqfBmh1kqjgtv6Oi23gSgzFpYPNadhRNZkdNIEPV/:BgtocDc7yXsKmtv674gSgzPirk7eZ

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4980

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1768-10-0x0000000001380000-0x000000000138A000-memory.dmp

          Filesize

          40KB

        • memory/1768-1-0x0000000000ED0000-0x0000000000F90000-memory.dmp

          Filesize

          768KB

        • memory/1768-2-0x0000000005F80000-0x0000000006524000-memory.dmp

          Filesize

          5.6MB

        • memory/1768-3-0x00000000059D0000-0x0000000005A62000-memory.dmp

          Filesize

          584KB

        • memory/1768-4-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/1768-5-0x0000000005990000-0x00000000059A0000-memory.dmp

          Filesize

          64KB

        • memory/1768-6-0x0000000005970000-0x000000000597A000-memory.dmp

          Filesize

          40KB

        • memory/1768-7-0x0000000005C00000-0x0000000005C9C000-memory.dmp

          Filesize

          624KB

        • memory/1768-9-0x0000000005990000-0x00000000059A0000-memory.dmp

          Filesize

          64KB

        • memory/1768-8-0x0000000005E00000-0x0000000005E18000-memory.dmp

          Filesize

          96KB

        • memory/1768-15-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/1768-11-0x000000000ABB0000-0x000000000AC2A000-memory.dmp

          Filesize

          488KB

        • memory/1768-0-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4980-13-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4980-12-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/4980-16-0x00000000054B0000-0x00000000054C0000-memory.dmp

          Filesize

          64KB

        • memory/4980-17-0x0000000074F60000-0x0000000075710000-memory.dmp

          Filesize

          7.7MB

        • memory/4980-18-0x00000000066E0000-0x0000000006730000-memory.dmp

          Filesize

          320KB

        • memory/4980-19-0x00000000054B0000-0x00000000054C0000-memory.dmp

          Filesize

          64KB

        • memory/4980-20-0x0000000006900000-0x0000000006AC2000-memory.dmp

          Filesize

          1.8MB