Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2023, 01:11

General

  • Target
    3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
  • Size 592KB
  • Sample231228-bjxmlsaeg9
  • SHA256 3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Echelon Stealer payload 1 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • 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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe
    "C:\Users\Admin\AppData\Local\Temp\3bfc582afc5a8ba63fe6d6fa7cf4633b0866ff70e7b0d7b6631f9dfdd3b37250.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:4664

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4664-0-0x00000290C09C0000-0x00000290C0A5A000-memory.dmp

        memory/4664-1-0x00007FFD73900000-0x00007FFD743C1000-memory.dmp

        memory/4664-2-0x00000290C2600000-0x00000290C2610000-memory.dmp

        memory/4664-3-0x00000290DB2D0000-0x00000290DB346000-memory.dmp

        memory/4664-6-0x00007FFD73900000-0x00007FFD743C1000-memory.dmp

        memory/4664-7-0x00000290C2600000-0x00000290C2610000-memory.dmp

        memory/4664-38-0x00007FFD73900000-0x00007FFD743C1000-memory.dmp