Overview

overview

10

Static

static

NKP210102-NIT-SC2.exe

windows7_x64

10

NKP210102-NIT-SC2.exe

windows10_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-01-2021 06:12

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General

  • Target

    NKP210102-NIT-SC2.exe

  • Size

    779KB

  • MD5

    087dfca6f2b2c9825a49d4b986d7f539

  • SHA1

    748e44b93cf2882248b2e27c728eb11018984bf4

  • SHA256

    af8629a317a5fe7aa5900f445cd855b902a495c497646c3ef1485ea5a9d026a7

  • SHA512

    25ab703c8261e1c36e4656b405b2aff6c8595bc26fe3b0f982e7249a90d6d6405d5f66ff8c28f8696d16c99a479718657dc669e0e4e5c2abe00e3ea03bac588d

Score
10/10
matiexkeyloggerstealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.revistaeducar.com.ar
  • Port:
    25
  • Username:
    smtp-1a2c5@revistaeducar.com.ar
  • Password:
    somchai#3774

Extracted

Family

matiex

Credentials

  • Protocol:     smtp
  • Host:
    mail.revistaeducar.com.ar
  • Port:
    25
  • Username:
    smtp-1a2c5@revistaeducar.com.ar
  • Password:
    somchai#3774

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 4 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NKP210102-NIT-SC2.exe
    "C:\Users\Admin\AppData\Local\Temp\NKP210102-NIT-SC2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kVTLnkXYUzFB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C01.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2000
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1704

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

  • C:\Users\Admin\AppData\Local\Temp\tmp9C01.tmp
    MD5

    6511e6497f3929b1233fb12ebc6ecf40

    SHA1

    408a90b62f94a8eaada2dc4e3549d47218e7d911

    SHA256

    c93290f75b70a15cae9c5faf96c7d0e47e69c087ce30541533556f2650056195

    SHA512

    013843123ff08628974bc2e9a4bbcb938174c73370407b698aff3acf4c2e480ab439828bf19a0c2bc9674005da3bcf19b0c8e40fdfdfaa528b6fd89743dfee64

    Download Submit
  • memory/1704-9-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1704-11-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1704-10-0x000000000046DD1E-mapping.dmp
    Download
  • memory/1704-12-0x0000000000400000-0x0000000000472000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1704-13-0x0000000073500000-0x0000000073BEE000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2000-7-0x0000000000000000-mapping.dmp
    Download
  • memory/2024-2-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

    Download
  • memory/2024-3-0x0000000001260000-0x0000000001261000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2024-5-0x0000000000310000-0x000000000031E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/2024-6-0x0000000005080000-0x0000000005141000-memory.dmp
    Filesize

    772KB

    Download