Malware Analysis Report

2025-01-18 04:24

Sample ID 231226-c8qe9safhn
Target 6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08
SHA256 6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08
Tags
office04 quasar spyware 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

6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08

Threat Level: Known bad

The file 6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08 was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-26 02:45

Signatures

Quasar family

quasar

Quasar payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 02:45

Reported

2023-12-26 02:47

Platform

win7-20231215-en

Max time kernel

130s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe

"C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe"

Network

Country Destination Domain Proto
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp

Files

memory/1860-0-0x0000000000FD0000-0x00000000012FA000-memory.dmp

memory/1860-1-0x000007FEF5560000-0x000007FEF5F4C000-memory.dmp

memory/1860-2-0x0000000000D00000-0x0000000000D80000-memory.dmp

memory/1860-3-0x000007FEF5560000-0x000007FEF5F4C000-memory.dmp

memory/1860-4-0x0000000000D00000-0x0000000000D80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 02:45

Reported

2023-12-26 02:48

Platform

win10v2004-20231215-en

Max time kernel

184s

Max time network

192s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe

"C:\Users\Admin\AppData\Local\Temp\6ca670555f071e4114ae2bc4875432dc89d77c879ce2af068132023fc4485d08.exe"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
CN 101.37.69.75:4782 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
CN 101.37.69.75:4782 tcp
US 8.8.8.8:53 57.169.31.20.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 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
CN 101.37.69.75:4782 tcp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
CN 101.37.69.75:4782 tcp
CN 101.37.69.75:4782 tcp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
CN 101.37.69.75:4782 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp

Files

memory/3852-0-0x0000000000530000-0x000000000085A000-memory.dmp

memory/3852-1-0x00007FFA4E160000-0x00007FFA4EC21000-memory.dmp

memory/3852-2-0x000000001B3D0000-0x000000001B3E0000-memory.dmp

memory/3852-3-0x000000001B8D0000-0x000000001B920000-memory.dmp

memory/3852-4-0x000000001B9E0000-0x000000001BA92000-memory.dmp

memory/3852-5-0x00007FFA4E160000-0x00007FFA4EC21000-memory.dmp

memory/3852-6-0x000000001B3D0000-0x000000001B3E0000-memory.dmp