Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-02-2024 01:18

General

  • Target

    b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe

  • Size

    581KB

  • MD5

    cd4a896224f9dcda6f0244bae4ef9abf

  • SHA1

    d362ab6e88e94c7a4200206f5d74c68eabc9dd07

  • SHA256

    b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2

  • SHA512

    438f7ccb8b347c4928e1727b0800351b79308ee912272f85e0ec0c49c860216d102a06dd961044117f253cada879773bc9b76fdbf5b975a6af2238559d3a7f0d

  • SSDEEP

    12288:wcQ6CmvZLJLUf9snBS4csPYae6qfzRAA:k6xvhhUF54clNf7RB

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\b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe
    "C:\Users\Admin\AppData\Local\Temp\b7291b4d5bdaaffe9f29598bcf3dd822cee39b18d485d2071ee2ae41b9ccdfb2.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2860-0-0x000001A449D70000-0x000001A449E08000-memory.dmp

    Filesize

    608KB

  • memory/2860-1-0x00007FF8360B0000-0x00007FF836B71000-memory.dmp

    Filesize

    10.8MB

  • memory/2860-2-0x000001A4645A0000-0x000001A4645B0000-memory.dmp

    Filesize

    64KB

  • memory/2860-3-0x000001A4644F0000-0x000001A464566000-memory.dmp

    Filesize

    472KB

  • memory/2860-32-0x00007FF8360B0000-0x00007FF836B71000-memory.dmp

    Filesize

    10.8MB

  • memory/2860-33-0x00007FF8360B0000-0x00007FF836B71000-memory.dmp

    Filesize

    10.8MB