Overview

overview

10

Static

static

URGENT.PO.pdf.exe

windows7_x64

10

URGENT.PO.pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    115s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:43

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General

  • Target

    URGENT.PO.pdf.exe

  • Size

    647KB

  • MD5

    c934ff92eb72cb2a4a7e3beebe46c07c

  • SHA1

    3cede206bd43133a07c5ef67281b922b58f28d8b

  • SHA256

    45a2796fe63b4de3b22f992d5259ca8efdf22d33670c5446a71d288d9f182ef5

  • SHA512

    714df13bd235e92285576f32133d0cb1fdb8fc0c68ea3db030984f957a5d583c44f14b89b05eafff07a9e37aecdd74768424e89f1f391c34319d0637b74ef96f

Score
10/10
matiexcollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    infokingking88@yandex.ru
  • Password:
    kingmoney12345

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 1 IoCs
  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Users\Admin\AppData\Local\Temp\URGENT.PO.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4892

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\URGENT.PO.pdf.exe.log
    Filesize

    611B

    MD5

    bceb1b24038a079a8046db250ce33039

    SHA1

    95d2a21b00e5c127f023d2950afe052d2acba572

    SHA256

    d5237a1aac346aaff3cedaca0a567afa529b84a21676e4c7017c9f87cfb32d57

    SHA512

    182dc30cd1e600da9b7ea1ca12860fd82237b04de293899d19ab7edb8b2bcdb37e30d387bbdbb54acdbecdb8200f5a39d417abd91d2b4c11fd126a9e4d0f050e

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  • memory/2116-130-0x0000000000F20000-0x0000000000FC8000-memory.dmp
    Filesize

    672KB

    Download
  • memory/2116-131-0x00000000081B0000-0x000000000824C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2116-132-0x00000000082F0000-0x0000000008382000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4892-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4892-134-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/4892-136-0x0000000005440000-0x00000000059E4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4892-137-0x0000000004E90000-0x0000000004EF6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4892-138-0x0000000006720000-0x00000000068E2000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/4892-139-0x00000000065A0000-0x00000000065AA000-memory.dmp
    Filesize

    40KB

    Download