Overview

overview

10

Static

static

Na4hsgjtrPIobAM.exe

windows7_x64

10

Na4hsgjtrPIobAM.exe

windows10_x64

3

Analysis

  • max time kernel
    128s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    17-07-2020 05:28

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General

  • Target

    Na4hsgjtrPIobAM.exe

  • Size

    1.2MB

  • MD5

    11bb02cfce17265a128473afd7c40049

  • SHA1

    9232267ebbbdb7599083f3340e4dc4d53fa7f96b

  • SHA256

    0a699d50cee9fc3eb46b0703c5502a84fbb357757853e25474683baf8f477fe0

  • SHA512

    f41eb62ccf52f71d94a9d731f84f16589207d4dd5343ca710b24bc9f3ab9585cd87f5c8eb15c14be810034341db98574c0de22a43f25ccc181201319e87e534c

Score
10/10
ransomwarespywarestealermasslogger

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\C8A579F880\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/17/2020 7:29:08 AM MassLogger Started: 7/17/2020 7:29:00 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Na4hsgjtrPIobAM.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> NA

Signatures

  • Suspicious use of WriteProcessMemory 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Looks up external IP address via web service 1 IoCs

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

  • MassLogger

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

    stealerspywaremasslogger

Processes

  • C:\Users\Admin\AppData\Local\Temp\Na4hsgjtrPIobAM.exe
    "C:\Users\Admin\AppData\Local\Temp\Na4hsgjtrPIobAM.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:272
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JjgjWaSAzPgpP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21E1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1868
    • C:\Users\Admin\AppData\Local\Temp\Na4hsgjtrPIobAM.exe
      "{path}"
      2⤵
        PID:1764
      • C:\Users\Admin\AppData\Local\Temp\Na4hsgjtrPIobAM.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: AddClipboardFormatListener
        PID:520

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp21E1.tmp
      Download Submit
    • memory/272-1-0x0000000000000000-0x0000000000000000-disk.dmp
      Download
    • memory/520-4-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

      Download
    • memory/520-5-0x0000000000493F4E-mapping.dmp
      Download
    • memory/520-6-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

      Download
    • memory/520-7-0x0000000000400000-0x0000000000498000-memory.dmp
      Filesize

      608KB

      Download
    • memory/1868-2-0x0000000000000000-mapping.dmp
      Download