Malware Analysis Report

2024-11-16 15:45

Sample ID 241107-2mfrdasmfp
Target recaptcha-verify
SHA256 b2f3bcd352d2b460a1b8b6388a47d21f95c661cbf62e43188d70d0bb2ce935d0
Tags
google discovery phishing
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

b2f3bcd352d2b460a1b8b6388a47d21f95c661cbf62e43188d70d0bb2ce935d0

Threat Level: Likely malicious

The file recaptcha-verify was found to be: Likely malicious.

Malicious Activity Summary

google discovery phishing

Blocklisted process makes network request

A potential corporate email address has been identified in the URL: [email protected]

Legitimate hosting services abused for malware hosting/C2

Detected potential entity reuse from brand GOOGLE.

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Modifies Internet Explorer settings

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 22:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 22:41

Reported

2024-11-07 22:44

Platform

win7-20240708-en

Max time kernel

118s

Max time network

121s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\recaptcha-verify.hta"

Signatures

A potential corporate email address has been identified in the URL: [email protected]

phishing

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Detected potential entity reuse from brand GOOGLE.

phishing google

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\calc.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1488 wrote to memory of 2936 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\calc.exe
PID 1488 wrote to memory of 2936 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\calc.exe
PID 1488 wrote to memory of 2936 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\calc.exe
PID 1488 wrote to memory of 2936 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\calc.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\recaptcha-verify.hta"

C:\Windows\SysWOW64\calc.exe

"C:\Windows\System32\calc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
US 8.8.8.8:53 www.google.com udp
GB 172.217.169.14:443 support.google.com tcp
GB 142.250.179.228:443 www.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.187.227:80 o.pki.goog tcp
GB 142.250.187.195:80 o.pki.goog tcp
US 8.8.8.8:53 discord.com udp
US 162.159.137.232:443 discord.com tcp
US 162.159.137.232:443 discord.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
US 23.192.22.93:80 www.microsoft.com tcp

Files

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\UQFHO95Z\favicon[1].ico

MD5 f3418a443e7d841097c714d69ec4bcb8
SHA1 49263695f6b0cdd72f45cf1b775e660fdc36c606
SHA256 6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA512 82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 22:41

Reported

2024-11-07 22:44

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

132s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\recaptcha-verify.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A

A potential corporate email address has been identified in the URL: [email protected]

phishing

Detected potential entity reuse from brand GOOGLE.

phishing google

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\recaptcha-verify.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 support.google.com udp
GB 142.250.180.4:443 www.google.com tcp
GB 172.217.169.14:443 support.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.187.227:80 o.pki.goog tcp
GB 142.250.187.227:80 o.pki.goog tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 4.180.250.142.in-addr.arpa udp
US 8.8.8.8:53 14.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

N/A