Overview

overview

10

Static

static

10

f9be170dde...2f.exe

windows7_x64

10

f9be170dde...2f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    43s
  • max time network
    84s
  • platform
    windows7_x64
  • resource
    win7-20220414-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
  • Suspicious use of WriteProcessMemory 4 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
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 1772
      2⤵
      • Program crash
      PID:1732

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/388-54-0x00000000008E0000-0x0000000000950000-memory.dmp
    Filesize

    448KB

    Download
  • memory/388-55-0x0000000076C81000-0x0000000076C83000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1732-56-0x0000000000000000-mapping.dmp
    Download