Malware Analysis Report

2025-01-18 09:29

Sample ID 240325-v88wqahb61
Target returnready.dll
SHA256 e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1
Tags
strela stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1

Threat Level: Known bad

The file returnready.dll was found to be: Known bad.

Malicious Activity Summary

strela stealer

Strela

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-25 17:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 17:40

Reported

2024-03-25 17:43

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Signatures

Strela

stealer strela

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Network

N/A

Files

memory/2352-1-0x0000000000390000-0x00000000003B3000-memory.dmp

memory/2352-0-0x000007FEF7240000-0x000007FEF7287000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 17:40

Reported

2024-03-25 17:43

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Signatures

Strela

stealer strela

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\returnready.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 188.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 74.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp

Files

memory/2252-1-0x000001E7FCDC0000-0x000001E7FCDE3000-memory.dmp

memory/2252-0-0x00007FFAD71C0000-0x00007FFAD7207000-memory.dmp