Overview

overview

10

Static

static

Ref 299839...ry.exe

windows7_x64

10

Ref 299839...ry.exe

windows10_x64

10

Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    03-10-2021 10:29

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General

  • Target

    Ref 2998390020 purchasing inquiry.exe

  • Size

    442KB

  • MD5

    4db15735772716ead8b0a838c67f91c6

  • SHA1

    e7770b8a8d3d092f3bd38de265890f6cf17d1406

  • SHA256

    5d65c8c1dbe91d020fe6dfefe37ef17651aaead257fdd7f24aa08b9a38cbb8fc

  • SHA512

    38f0d118a3dfdb2ca0a0fd64b23cde9cdd76c410b85fa1f69dd164b121a25c213ea5dff75a7ab658c57cd5b7822cc16f7e19bcdeb63d202271065147cb22cc4c

Score
10/10
matiexkeyloggerstealer

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:     smtp
  • Host:
    mail.thts.vn
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    123luongngan1989

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 3 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ref 2998390020 purchasing inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref 2998390020 purchasing inquiry.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vDOhzfeKq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3938.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1752
    • C:\Users\Admin\AppData\Local\Temp\Ref 2998390020 purchasing inquiry.exe
      "C:\Users\Admin\AppData\Local\Temp\Ref 2998390020 purchasing inquiry.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1832

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/612-53-0x00000000001A0000-0x00000000001A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/612-55-0x0000000004D70000-0x0000000004D71000-memory.dmp
    Filesize

    4KB

    Download
  • memory/612-56-0x0000000000650000-0x0000000000656000-memory.dmp
    Filesize

    24KB

    Download
  • memory/612-57-0x0000000001F90000-0x0000000001FEA000-memory.dmp
    Filesize

    360KB

    Download
  • memory/612-58-0x0000000005140000-0x00000000051B5000-memory.dmp
    Filesize

    468KB

    Download
  • memory/1752-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1832-60-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1832-61-0x0000000000472BFE-mapping.dmp
    Download
  • memory/1832-62-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1832-64-0x00000000056A0000-0x00000000056A1000-memory.dmp
    Filesize

    4KB

    Download