Overview

overview

10

Static

static

Payment receipt.exe

windows7_x64

10

Payment receipt.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 14:15

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General

  • Target

    Payment receipt.exe

  • Size

    671KB

  • MD5

    0343e00e87bd5dd10cbef80152e17f2d

  • SHA1

    8729e1834549808a2aeff2282389d6824848214e

  • SHA256

    301994867e5c9fc93d3245e9736f95e9939af96d0a60d7b01ab22d50f6bf40d0

  • SHA512

    7ff6bf2e3e1a0ae831470852e3bf2ed1fe05eabb0c33441b80cec957574eec2085a18f133199b730ae04fc636b322556e8f352199b5c615108df5e28d6e9df2a

Score
10/10
matiexcollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:     smtp
  • Host:
    SMTP.privateemail.com
  • Port:
    587
  • Username:
    mentorloz@returntolz.com
  • Password:
    Aboki@1234

Signatures

  • Matiex

    Matiex is a keylogger and infostealer first seen in July 2020.

    stealerkeyloggermatiex
  • Matiex Main Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • 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 3 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 1724
        3⤵
        • Program crash
        PID:4296
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2708 -ip 2708
    1⤵
      PID:4328

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/2484-131-0x0000000000400000-0x00000000004AE000-memory.dmp
      Filesize

      696KB

      Download
    • memory/2708-130-0x0000000000000000-mapping.dmp
      Download
    • memory/2708-132-0x0000000000A80000-0x0000000000AF0000-memory.dmp
      Filesize

      448KB

      Download
    • memory/2708-133-0x0000000000A80000-0x0000000000AF0000-memory.dmp
      Filesize

      448KB

      Download
    • memory/2708-134-0x0000000004AE0000-0x0000000004B7C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/2708-135-0x0000000004B80000-0x0000000005124000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2708-136-0x0000000005130000-0x0000000005196000-memory.dmp
      Filesize

      408KB

      Download
    • memory/2708-137-0x0000000005F70000-0x0000000006132000-memory.dmp
      Filesize

      1.8MB

      Download