Malware Analysis Report

2024-10-19 08:41

Sample ID 240419-qwx68sef7z
Target 498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe
SHA256 498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964
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

498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964

Threat Level: Known bad

The file 498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Looks up external IP address via web service

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-19 13:37

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

2024-04-19 13:37

Reported

2024-04-19 13:39

Platform

win7-20240221-en

Max time kernel

121s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.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\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe

"C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.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 companinuevoano1.con-ip.com udp
CO 179.13.0.175:4782 companinuevoano1.con-ip.com tcp

Files

memory/2764-0-0x00000000012F0000-0x000000000134E000-memory.dmp

memory/2764-1-0x00000000743A0000-0x0000000074A8E000-memory.dmp

memory/2764-2-0x00000000048A0000-0x00000000048E0000-memory.dmp

memory/2764-3-0x00000000743A0000-0x0000000074A8E000-memory.dmp

memory/2764-4-0x00000000048A0000-0x00000000048E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 13:37

Reported

2024-04-19 13:40

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.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\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe

"C:\Users\Admin\AppData\Local\Temp\498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4456 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 13.107.253.64:443 tcp
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 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.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 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 companinuevoano1.con-ip.com udp
CO 179.13.0.175:4782 companinuevoano1.con-ip.com tcp
US 8.8.8.8:53 175.0.13.179.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/1940-0-0x0000000074870000-0x0000000075020000-memory.dmp

memory/1940-1-0x0000000000F00000-0x0000000000F5E000-memory.dmp

memory/1940-2-0x0000000006010000-0x00000000065B4000-memory.dmp

memory/1940-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

memory/1940-4-0x00000000059B0000-0x00000000059C0000-memory.dmp

memory/1940-5-0x00000000059C0000-0x0000000005A26000-memory.dmp

memory/1940-6-0x0000000074870000-0x0000000075020000-memory.dmp

memory/1940-7-0x0000000006A80000-0x0000000006A92000-memory.dmp

memory/1940-8-0x00000000059B0000-0x00000000059C0000-memory.dmp

memory/1940-9-0x0000000006EC0000-0x0000000006EFC000-memory.dmp

memory/1940-10-0x00000000071B0000-0x00000000071BA000-memory.dmp