Overview

overview

10

Static

static

10

f9be170dde...2f.exe

windows7_x64

10

f9be170dde...2f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 02:13

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General

  • Target

    f9be170dde65694e070279250c3d13f7edfdef1e748fbae38f2df054e198632f.exe

  • Size

    426KB

  • MD5

    abc9942dec5150ccfa682c98cb89b10a

  • SHA1

    140862eb97d6a18966b0147bdea2f148b942d718

  • SHA256

    f9be170dde65694e070279250c3d13f7edfdef1e748fbae38f2df054e198632f

  • SHA512

    e8f4baf8366e37fcf2ba74d6acdfa30b3d806047b4f965380ed91afe331c8d58cdc0b36da078b58a0bada994f10a505bfff673667bd3a5fad95b0045c93d4f5c

Score
10/10
matiexcollectionkeyloggerspywarestealer

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1141485996:AAH3esLQr0hZPK2IjOWo84eSMFz-eqSnuq4/sendMessage?chat_id=970816419

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.

  • Program crash 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\f9be170dde65694e070279250c3d13f7edfdef1e748fbae38f2df054e198632f.exe
    "C:\Users\Admin\AppData\Local\Temp\f9be170dde65694e070279250c3d13f7edfdef1e748fbae38f2df054e198632f.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:5004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 2060
      2⤵
      • Program crash
      PID:1668
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5004 -ip 5004
    1⤵
      PID:4876

    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

    Loading Replay Monitor...

    Downloads

    • memory/5004-130-0x0000000000400000-0x0000000000470000-memory.dmp
      Filesize

      448KB

      Download
    • memory/5004-131-0x0000000004CA0000-0x0000000004D3C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/5004-132-0x0000000005330000-0x00000000058D4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/5004-133-0x0000000004DF0000-0x0000000004E56000-memory.dmp
      Filesize

      408KB

      Download
    • memory/5004-134-0x0000000006660000-0x0000000006822000-memory.dmp
      Filesize

      1.8MB

      Download