Malware Analysis Report

2025-03-15 06:05

Sample ID 240729-jx4xvazaqk
Target 参会人名单.cisri.com
SHA256 5202c9990cb2a5168c0901c4de10cf3bf1c476cdff69295bba59dc3543f761d4
Tags
cobaltstrike backdoor trojan
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

5202c9990cb2a5168c0901c4de10cf3bf1c476cdff69295bba59dc3543f761d4

Threat Level: Known bad

The file 参会人名单.cisri.com was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-29 08:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 08:03

Reported

2024-07-29 08:06

Platform

win7-20240704-en

Max time kernel

118s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe

"C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 08:03

Reported

2024-07-29 08:06

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe

"C:\Users\Admin\AppData\Local\Temp\参会人名单.cisri.exe"

Network

Country Destination Domain Proto
CN 180.163.146.83:443 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
CN 112.19.11.240:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CN 121.29.38.228:443 tcp
CN 118.180.56.233:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
CN 58.218.215.171:443 tcp
US 8.8.8.8:53 88.156.103.20.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
CN 111.12.25.241:443 tcp

Files

memory/3520-0-0x000002654A170000-0x000002654A270000-memory.dmp

memory/3520-1-0x000002654A300000-0x000002654A386000-memory.dmp

memory/3520-2-0x000002654A1F0000-0x000002654A1F2000-memory.dmp

memory/3520-3-0x000002654A170000-0x000002654A270000-memory.dmp

memory/3520-4-0x000002654A300000-0x000002654A386000-memory.dmp