Overview

overview

10

Static

static

Payment receipt.exe

windows7_x64

10

Payment receipt.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 10:29

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Payment receipt.exe

  • Size

    128KB

  • MD5

    497856229ec8ae87bda86469bf72ef64

  • SHA1

    844329ce2db6a3a6929719f27766474f77c7d047

  • SHA256

    b8888ca416fcb0b2fa48e131a3fbadf177ed9f26528d620ff1df804f17ea8c64

  • SHA512

    6cadd85b8a3cdb42b202ff45d198b1ef7b73d1ba4a3d612066be3ee95999d49d46b699f6d073bb143cdd8b3f4d89144c3528b3ad7f788f74abeed846945e932f

Score
10/10
matiexcollectionkeyloggerpersistencespywarestealer

Malware Config

Signatures

  • Matiex

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

    stealerkeyloggermatiex
  • Matiex Main Payload 7 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Drops startup file 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 1748
        3⤵
        • Program crash
        PID:968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

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/968-69-0x0000000000000000-mapping.dmp
    Download
  • memory/1488-54-0x0000000000060000-0x0000000000084000-memory.dmp
    Filesize

    144KB

    Download
  • memory/1488-55-0x0000000004210000-0x0000000004288000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1488-56-0x0000000075271000-0x0000000075273000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1896-57-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-58-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-62-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-63-0x000000000046B84E-mapping.dmp
    Download
  • memory/1896-61-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-60-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-65-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download
  • memory/1896-67-0x0000000000400000-0x0000000000470000-memory.dmp
    Filesize

    448KB

    Download