Overview

overview

10

Static

static

StormGeo_I...8..exe

windows7_x64

10

StormGeo_I...8..exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:21

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General

  • Target

    StormGeo_Invoice_202008242288..exe

  • Size

    611KB

  • MD5

    1685858a9090b769ef6dbbe8ad93ec85

  • SHA1

    4e9c9b4dfabfd8605c4fc0f2af2522762dce94b2

  • SHA256

    f3f9f4cc7099729cdea76954e338c0dd8d0404d50177a63ce50088aafea6ce26

  • SHA512

    397923317110d8c356c75d75d155995a4918207eb6a43e62e7053737acc712ced9a8aab009cc3c8db5cfddf3dd54bea4221abaf137e424d09d71644f41256287

Score
10/10
matiexcollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:     smtp
  • Host:
    mail.augustianie.pl
  • Port:
    587
  • Username:
    delegat.duszpasterski@augustianie.pl
  • Password:
    delegat.duszpasterski

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 1 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 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 3 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\StormGeo_Invoice_202008242288..exe
    "C:\Users\Admin\AppData\Local\Temp\StormGeo_Invoice_202008242288..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\StormGeo_Invoice_202008242288..exe
      "C:\Users\Admin\AppData\Local\Temp\StormGeo_Invoice_202008242288..exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 2024
        3⤵
        • Program crash
        PID:4552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1036 -ip 1036
    1⤵
      PID:32

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    2
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/1036-134-0x0000000000000000-mapping.dmp
      Download
    • memory/1036-135-0x0000000000400000-0x0000000000472000-memory.dmp
      Filesize

      456KB

      Download
    • memory/1036-136-0x0000000004EF0000-0x0000000004F56000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1136-130-0x0000000000C70000-0x0000000000D0E000-memory.dmp
      Filesize

      632KB

      Download
    • memory/1136-131-0x0000000007B60000-0x0000000007BF2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/1136-132-0x0000000008200000-0x000000000829C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/1136-133-0x0000000008850000-0x0000000008DF4000-memory.dmp
      Filesize

      5.6MB

      Download