Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2024, 01:09

General

  • Target
    a9cc9231db913f25361ff54855ec7221e72879d2e428befb87a5a6bdffe08de1.exe
  • Size 657KB
  • Sample240122-bht54adbfl
  • SHA256 a9cc9231db913f25361ff54855ec7221e72879d2e428befb87a5a6bdffe08de1
  • 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 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9cc9231db913f25361ff54855ec7221e72879d2e428befb87a5a6bdffe08de1.exe
    "C:\Users\Admin\AppData\Local\Temp\a9cc9231db913f25361ff54855ec7221e72879d2e428befb87a5a6bdffe08de1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4472

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4472-0-0x000001F266950000-0x000001F2669FA000-memory.dmp

        memory/4472-1-0x000001F266DC0000-0x000001F266DD2000-memory.dmp

        memory/4472-2-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp

        memory/4472-3-0x000001F269190000-0x000001F2691A0000-memory.dmp

        memory/4472-4-0x000001F268F80000-0x000001F268FBC000-memory.dmp

        memory/4472-5-0x000001F269210000-0x000001F26928A000-memory.dmp

        memory/4472-7-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp

        memory/4472-33-0x00007FFB4B1A0000-0x00007FFB4BC61000-memory.dmp