Malware Analysis Report

2024-11-30 06:32

Sample ID 240612-r5h94ssfkk
Target fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387
SHA256 fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387
Tags
upx spyware stealer
score
7/10

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
7/10

SHA256

fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387

Threat Level: Shows suspicious behavior

The file fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx spyware stealer

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

UPX packed file

Enumerates connected drives

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 14:46

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 14:46

Reported

2024-06-12 14:49

Platform

win7-20240611-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"

Network

N/A

Files

memory/1876-0-0x0000000000110000-0x00000000006CC000-memory.dmp

\Users\Admin\AppData\Local\Temp\Opera_installer_2406121446380921876.dll

MD5 30f85385033134cb6db41e29ccfc60a4
SHA1 77797120af3ff451563627ecb67939d00b722bde
SHA256 f1e2fa22d39268551e4a639dac3f19d2c1de87d85d776b059f0e92d627deb2fe
SHA512 33941260f6b626a7c07a7cd567c7b28cbccb8c4d8e472f70b85d2a8ec883e9298b3652dbc252905f25c34d3b90a539f00ff2342eef0723c357be298a363991af

memory/1876-8-0x0000000000110000-0x00000000006CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 14:46

Reported

2024-06-12 14:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3920 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
PID 3920 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
PID 3920 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
PID 3920 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
PID 3920 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe
PID 3920 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

"C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe"

C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

C:\Users\Admin\AppData\Local\Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktopGX --annotation=ver=99.0.4788.49 --initial-client-data=0x2ec,0x2f0,0x2f4,0x2c8,0x2f8,0x755ca108,0x755ca118,0x755ca124

C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

"C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe" --version

Network

Country Destination Domain Proto
US 8.8.8.8:53 desktop-netinstaller-sub.osp.opera.software udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 desktop-netinstaller-sub.osp.opera.software udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 desktop-netinstaller-sub.osp.opera.software udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp
US 8.8.8.8:53 autoupdate.geo.opera.com udp

Files

memory/3920-1-0x0000000000730000-0x0000000000CEC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Opera_installer_2406121446344643920.dll

MD5 30f85385033134cb6db41e29ccfc60a4
SHA1 77797120af3ff451563627ecb67939d00b722bde
SHA256 f1e2fa22d39268551e4a639dac3f19d2c1de87d85d776b059f0e92d627deb2fe
SHA512 33941260f6b626a7c07a7cd567c7b28cbccb8c4d8e472f70b85d2a8ec883e9298b3652dbc252905f25c34d3b90a539f00ff2342eef0723c357be298a363991af

memory/1500-4-0x0000000000730000-0x0000000000CEC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\.opera\Opera GX Installer Temp\fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387.exe

MD5 fe3405878f19fdaa88957fd87d92bbc3
SHA1 de6b122a67f289de2cdc0c15991af3d5ef01e56f
SHA256 fe3a8a2443f91a8b30ab07c9490c75a2f639de14c6694a95ca3f7c3b0bc0c387
SHA512 d6a99daf456ccfd92946a0b7f45d81cd467e5463a0006b309b178758591f0909f85f54e7df86eec082211077ad6b0c91479b62370c157ba1a98b32419b9ea7f6

memory/4852-15-0x0000000000110000-0x00000000006CC000-memory.dmp

memory/4852-20-0x0000000000110000-0x00000000006CC000-memory.dmp

memory/3920-22-0x0000000000730000-0x0000000000CEC000-memory.dmp

memory/1500-23-0x0000000000730000-0x0000000000CEC000-memory.dmp