Analysis

  • max time kernel
    98s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09/07/2020, 07:38

General

  • Target
    m1pZYGiBFonndjG.exe
  • Size 1.0MB
  • Sample200709-9588lf1xvx
  • SHA256 e06e5ba87ec0ed09101fcd62c238777c90c6a59be6bba4ced6890250948e6a4b
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe
    "C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1464
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OBySigjDNKEBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp319A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1344
    • C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: AddClipboardFormatListener
      PID:1828

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1828-4-0x0000000000400000-0x000000000049A000-memory.dmp

        memory/1828-6-0x0000000000400000-0x000000000049A000-memory.dmp

        memory/1828-7-0x0000000000400000-0x000000000049A000-memory.dmp