Malware Analysis Report

2024-10-19 08:51

Sample ID 240725-pyks9ayhmj
Target e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5
SHA256 e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5
Tags
strela stealer collection
score
10/10

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
10/10

SHA256

e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5

Threat Level: Known bad

The file e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5 was found to be: Known bad.

Malicious Activity Summary

strela stealer collection

Detects Strela Stealer payload

Strela stealer

Accesses Microsoft Outlook profiles

Unsigned PE

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-25 12:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-25 12:44

Reported

2024-07-25 12:47

Platform

win7-20240708-es

Max time kernel

121s

Max time network

126s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5.dll

Signatures

Detects Strela Stealer payload

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

Strela stealer

stealer strela

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5.dll

Network

N/A

Files

memory/3040-0-0x0000000000330000-0x0000000000352000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-25 12:44

Reported

2024-07-25 12:47

Platform

win10v2004-20240709-es

Max time kernel

137s

Max time network

128s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5.dll

Signatures

Detects Strela Stealer payload

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

Strela stealer

stealer strela

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\system32\regsvr32.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e628a4cd45ccb2dadd2fe5b6921b935163bea32afcf699e8fb266f4b68b683b5.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4956-0-0x0000000002790000-0x00000000027B2000-memory.dmp

memory/4956-1-0x0000000002790000-0x00000000027B2000-memory.dmp