Overview

overview

10

Static

static

3

RFQ.NO. S...24.exe

windows7-x64

10

RFQ.NO. S...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    63b964bb4e623dfcea2b54ea8cfccdff858ed88ec96bc37260f41f560fc3b431.lzh

  • Size

    902KB

  • Sample

    240409-bxr92sdg2v

  • MD5

    e6508e0743f2608d120d3aa073cf9c22

  • SHA1

    bd190b38fc0c9768436575e27d1823381a1c9710

  • SHA256

    63b964bb4e623dfcea2b54ea8cfccdff858ed88ec96bc37260f41f560fc3b431

  • SHA512

    a421384b817793d792564a59c22b73a281153870991b9ea23bed902cd3b23796d92626555ee473404a88308eb2d3931e7ae5712fdd3f5739339dc93617b70522

  • SSDEEP

    24576:QHay53O6aQDcYYH2d5MgHtkst70ka+AZcbKdF3mXAZFAsb:aV53XaicYm2XHHfa+6cbKdFeSAO

Score
10/10
remcosremotehostcollectionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      RFQ.NO. S70-23Q-1474-CS-27-24.exe

    • Size

      930KB

    • MD5

      e02e72a3d1f27d037a2449cee4eae936

    • SHA1

      4c95f4e64d007d23970ed3a5fbb7bf7bc25fbc4f

    • SHA256

      7fab023c086ba1212955e3cc16cbbb504d59977e3cd140fdc1848f5bb01fd990

    • SHA512

      45174ba0b99f523b620fb6076f1d13f1ed7ae5e77f156a8d9da3de5d07718dfa59363150dd9abf6db296c28ead7a18fcbb6f106fd3774004586b4b31197c068d

    • SSDEEP

      24576:+iqo5nZJH9IsGysYo85+EcXB+unnzq/FMy:z5Synoa+vMunGD

    Score
    10/10
    remcosremotehostcollectionratspywarestealer

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables built or packed with MPress PE compressor

    • Detects executables packed with SmartAssembly

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks