Overview

overview

10

Static

static

e6a761525b...eb.exe

windows7_x64

10

e6a761525b...eb.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    111s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11/05/2022, 02:31

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General

  • Target
    e6a761525b8d1ac1845cd704f591e73a3480748e81cad83a40b9efd30978e8eb.exe
  • Size 1.0MB
  • Sample220511-czwkxsdfc8
  • SHA256 e6a761525b8d1ac1845cd704f591e73a3480748e81cad83a40b9efd30978e8eb
  • MD5 SHA1 SHA512
Score
10/10
massloggercollectionspywarestealer

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    ayo2018

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • MassLogger Main Payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6a761525b8d1ac1845cd704f591e73a3480748e81cad83a40b9efd30978e8eb.exe
    "C:\Users\Admin\AppData\Local\Temp\e6a761525b8d1ac1845cd704f591e73a3480748e81cad83a40b9efd30978e8eb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qyrwGQy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2313.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4804
    • C:\Users\Admin\AppData\Local\Temp\e6a761525b8d1ac1845cd704f591e73a3480748e81cad83a40b9efd30978e8eb.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1732

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmp2313.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\tmp2313.tmp
        • Size 1KB
        • SHA256 097e44a24bd82d03a8b86b37b63ea461d6a77a2823804e0269c9c00f17ea5aee
        • MD5 SHA1 SHA512
        Submit Download

        memory/1732-138-0x0000000000400000-0x0000000000486000-memory.dmp
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        memory/1732-139-0x0000000006910000-0x0000000006976000-memory.dmp
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        memory/1732-140-0x0000000007150000-0x00000000071A0000-memory.dmp
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        memory/2352-130-0x0000000000A50000-0x0000000000B5C000-memory.dmp
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        memory/2352-131-0x0000000005A10000-0x0000000005FB4000-memory.dmp
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        memory/2352-132-0x0000000005500000-0x0000000005592000-memory.dmp
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        memory/2352-133-0x00000000055B0000-0x00000000055BA000-memory.dmp
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        memory/2352-134-0x0000000008D30000-0x0000000008DCC000-memory.dmp
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