Overview

overview

10

Static

static

10

d92555bcd5...55.exe

windows7_x64

10

d92555bcd5...55.exe

windows10_x64

10

Analysis

  • max time kernel
    118s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27-12-2021 16:31

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General

  • Target

    d92555bcd56ec92060ad31e69cdad855.exe

  • Size

    177KB

  • MD5

    d92555bcd56ec92060ad31e69cdad855

  • SHA1

    a9e23881ce5f209ec5b323d546a498ab64233249

  • SHA256

    b3252b9c8261e4b2d07f31c71dc1c3f0e2032a0fd5aa53ced919e5db104369e6

  • SHA512

    c3040d9f91f7976dec23f64a4bebaf11279149e8c765859e7469dae7e7406316516fc9d4d76d57639ee6ebb0d26720379c52c60f7adb3b7fe390f41d509c92aa

Score
10/10
matiexcollectionkeyloggerspywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    kerekesfoto.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    5ae6LgwJ7rYj

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 2 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d92555bcd56ec92060ad31e69cdad855.exe
    "C:\Users\Admin\AppData\Local\Temp\d92555bcd56ec92060ad31e69cdad855.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2720

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/2720-115-0x00000000008B0000-0x00000000008E2000-memory.dmp
    Filesize

    200KB

    Download
  • memory/2720-116-0x00000000008B0000-0x00000000008E2000-memory.dmp
    Filesize

    200KB

    Download
  • memory/2720-117-0x00000000051C0000-0x000000000525C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2720-118-0x0000000005760000-0x0000000005C5E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/2720-119-0x0000000005130000-0x0000000005196000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2720-120-0x0000000005260000-0x000000000575E000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/2720-121-0x00000000068C0000-0x0000000006A82000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/2720-122-0x0000000006A90000-0x0000000006B22000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2720-123-0x00000000067E0000-0x00000000067EA000-memory.dmp
    Filesize

    40KB

    Download