Analysis

  • max time kernel
    2s
  • max time network
    4s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18/06/2024, 14:59

General

  • Target
    Loader.exe
  • Size 273KB
  • Sample240618-scte2ssgpn
  • SHA256 abc9f44b74bbd427025796c98425c5f10fe5d6272143601d59b0c0187c291900
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4544

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Process.txt

        • Path C:\Users\Admin\AppData\Local\1337\Process.txt
        • Size 749B
        • SHA256 8d9c3ef8cf47dbefb68a2fd051fc595e30b49138aee42ebf7db8ac6b299b3be7
        • MD5 SHA1 SHA512

        Process.txt

        • Path C:\Users\Admin\AppData\Local\1337\Process.txt
        • Size 1KB
        • SHA256 3222fb98088e6ed3b664f14bed19c2dbd98fb1dbd417c71b5c8d8d119af31f17
        • MD5 SHA1 SHA512

        memory/4544-0-0x00007FF8991A3000-0x00007FF8991A5000-memory.dmp

        memory/4544-1-0x00000220EE640000-0x00000220EE688000-memory.dmp

        memory/4544-2-0x00007FF8991A0000-0x00007FF899C62000-memory.dmp

        memory/4544-115-0x00007FF8991A0000-0x00007FF899C62000-memory.dmp