Overview

overview

8

Static

static

index.exe

windows7_x64

8

index.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13/10/2020, 15:17

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General

  • Target
    index.exe
  • Size 510KB
  • Sample201013-cxppsh8e8a
  • SHA256 aa305c826cfb235b5741ccd1c36fe44c67819447424fbfdefae798c247f7ad43
  • MD5 SHA1 SHA512
Score
8/10
persistencespyware

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\index.exe
    "C:\Users\Admin\AppData\Local\Temp\index.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/520-8-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp
        Download

        memory/1872-4-0x0000000000402000-0x0000000000434000-memory.dmp
        Download

        memory/1872-6-0x0000000000400000-0x0000000000400200-memory.dmp
        Download

        memory/1872-7-0x0000000000402000-0x0000000000434000-memory.dmp
        Download