Malware Analysis Report

2024-10-16 06:27

Sample ID 240528-q76mrahc33
Target 0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown
SHA256 0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae
Tags
macro macro_on_action
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

0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae

Threat Level: Likely malicious

The file 0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

Enumerates physical storage devices

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-28 13:55

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 13:55

Reported

2024-05-28 13:57

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file\ C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.unknown C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.unknown\ = "unknown_auto_file" C:\Windows\system32\rundll32.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file\shell\Read\command C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file\shell\Read C:\Windows\system32\rundll32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\unknown_auto_file\shell C:\Windows\system32\rundll32.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A
N/A N/A C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe

"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown"

Network

N/A

Files

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

MD5 af0eb962e4afad779e68d43fb081d19e
SHA1 9cfb66b1b69e3ff4996266284191ec9634d4bfa6
SHA256 412bc63e6def90017f85ad0e6975e231a8c438d3c8d48467512215a6c5cf4122
SHA512 dd1e548cde4751663ac68e9e27db4930491b6fb2df75e372d63b9ea03beb0cdbb5a2d0096846408213758d9a85f35e837f4f5fa599669c4c5c39b45c1a8cf29e

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 13:55

Reported

2024-05-28 13:57

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

149s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\0b230b83c0b4af6e13ad837c35121d0827f5a243855a5d8a80e299b9c91ad5ae.unknown

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A