Malware Analysis Report

2025-01-18 09:30

Sample ID 240301-ep773scc8z
Target 1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dmp
SHA256 955bde5490b5073e3b51bb3c5aeea98e2d6c297b6bb155666c7172436b62fedc
Tags
strela
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

955bde5490b5073e3b51bb3c5aeea98e2d6c297b6bb155666c7172436b62fedc

Threat Level: Known bad

The file 1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

strela

Strela family

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-01 04:08

Signatures

Strela family

strela

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-01 04:08

Reported

2024-03-01 04:10

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2320 wrote to memory of 1148 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2320 wrote to memory of 1148 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe
PID 2320 wrote to memory of 1148 N/A C:\Windows\system32\rundll32.exe C:\Windows\system32\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dll,#1

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2320 -s 56

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-01 04:08

Reported

2024-03-01 04:10

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1408-1418-0x000007FEF6510000-0x000007FEF661E000-memory.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp

Files

N/A