Malware Analysis Report

2025-01-18 04:28

Sample ID 231203-mz3pcabe89
Target d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe
SHA256 d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b
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

d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b

Threat Level: Known bad

The file d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar family

Quasar payload

Quasar RAT

Looks up external IP address via web service

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-03 10:55

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

2023-12-03 10:55

Reported

2023-12-03 10:57

Platform

win7-20231023-en

Max time kernel

128s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe

"C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 nodetecton.ddns.net udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
US 8.8.8.8:53 nodetecton.ddns.net udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp

Files

memory/2268-1-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2268-0-0x0000000000080000-0x00000000000DE000-memory.dmp

memory/2268-2-0x0000000004A60000-0x0000000004AA0000-memory.dmp

memory/2268-3-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2268-4-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-03 10:55

Reported

2023-12-03 10:57

Platform

win10v2004-20231127-en

Max time kernel

141s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe

"C:\Users\Admin\AppData\Local\Temp\d47e620d1c305da86a151ae4e615aedcb53448c66808998251b407831d8f669b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 202.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 226.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 nodetecton.ddns.net udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.240.110.104.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 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
US 8.8.8.8:53 174.120.50.23.in-addr.arpa udp
US 8.8.8.8:53 nodetecton.ddns.net udp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
BR 179.104.80.89:5552 nodetecton.ddns.net tcp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/4668-0-0x00000000752C0000-0x0000000075A70000-memory.dmp

memory/4668-1-0x0000000000550000-0x00000000005AE000-memory.dmp

memory/4668-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

memory/4668-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

memory/4668-4-0x00000000050F0000-0x0000000005100000-memory.dmp

memory/4668-5-0x0000000005060000-0x00000000050C6000-memory.dmp

memory/4668-6-0x0000000005FD0000-0x0000000005FE2000-memory.dmp

memory/4668-7-0x0000000006410000-0x000000000644C000-memory.dmp

memory/4668-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

memory/4668-9-0x00000000050F0000-0x0000000005100000-memory.dmp

memory/4668-10-0x00000000065C0000-0x00000000065CA000-memory.dmp