Overview

overview

10

Static

static

3

7038b1250c...fa.exe

windows7-x64

10

7038b1250c...fa.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7038b1250cc9380861d92e721d364cb844459f87ecc3fe002b59e97d35926dfa.exe

  • Size

    899KB

  • Sample

    240417-b4zbyabf9w

  • MD5

    817fca5933074f2986f443434eb861ad

  • SHA1

    25824f6d451f727d5dddc8d64bc6a37f1d99ab1b

  • SHA256

    7038b1250cc9380861d92e721d364cb844459f87ecc3fe002b59e97d35926dfa

  • SHA512

    642266711556432953c69f6422785aad79d0e38d5c405efea4e9b79cfea35e648bed9059c6430bd8a34e59f3dd4389de37b1e1aa130c00557baf54e8f8ca8fc7

  • SSDEEP

    24576:QQxpv7BpjHfIhWvtLp3UevtyA6Qk5aX7:rpv7b/IkttUyyo

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

      7038b1250cc9380861d92e721d364cb844459f87ecc3fe002b59e97d35926dfa.exe

    • Size

      899KB

    • MD5

      817fca5933074f2986f443434eb861ad

    • SHA1

      25824f6d451f727d5dddc8d64bc6a37f1d99ab1b

    • SHA256

      7038b1250cc9380861d92e721d364cb844459f87ecc3fe002b59e97d35926dfa

    • SHA512

      642266711556432953c69f6422785aad79d0e38d5c405efea4e9b79cfea35e648bed9059c6430bd8a34e59f3dd4389de37b1e1aa130c00557baf54e8f8ca8fc7

    • SSDEEP

      24576:QQxpv7BpjHfIhWvtLp3UevtyA6Qk5aX7:rpv7b/IkttUyyo

    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