Malware Analysis Report

2024-10-19 08:42

Sample ID 240418-t5xhvahg36
Target f85dd19dc69ace93e973bd0111676b98_JaffaCakes118
SHA256 eca8b55abc0da9ef5ba867fafc91be160b5cc41732eb492524c2ed5a1f1f2757
Tags
quasar office04 spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

eca8b55abc0da9ef5ba867fafc91be160b5cc41732eb492524c2ed5a1f1f2757

Threat Level: Known bad

The file f85dd19dc69ace93e973bd0111676b98_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

quasar office04 spyware trojan

Quasar RAT

Quasar payload

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-18 16:39

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-18 16:39

Reported

2024-04-18 16:41

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.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\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.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
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
GB 172.217.169.74:443 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp

Files

memory/2432-0-0x000002077FEC0000-0x000002077FF42000-memory.dmp

memory/2432-1-0x0000020701A60000-0x0000020701AE4000-memory.dmp

memory/2432-2-0x00007FF82DDE0000-0x00007FF82E8A1000-memory.dmp

memory/2432-5-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-4-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-3-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-6-0x0000020780020000-0x0000020780070000-memory.dmp

memory/2432-7-0x0000020780130000-0x00000207801E2000-memory.dmp

memory/2432-8-0x00007FF6BB2C0000-0x00007FF6BB532000-memory.dmp

memory/2432-9-0x00007FF82DDE0000-0x00007FF82E8A1000-memory.dmp

memory/2432-11-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-12-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-13-0x000002071A4E0000-0x000002071A4F0000-memory.dmp

memory/2432-25-0x00007FF6BB2C0000-0x00007FF6BB532000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-18 16:39

Reported

2024-04-18 16:41

Platform

win7-20240221-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A
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\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f85dd19dc69ace93e973bd0111676b98_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 127.0.0.1:4782 tcp

Files

memory/2236-0-0x0000000000510000-0x0000000000592000-memory.dmp

memory/2236-1-0x0000000001F20000-0x0000000001FA4000-memory.dmp

memory/2236-2-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2236-3-0x000000001B830000-0x000000001B8B0000-memory.dmp

memory/2236-4-0x000000001B830000-0x000000001B8B0000-memory.dmp

memory/2236-5-0x000000013FF80000-0x00000001401F2000-memory.dmp

memory/2236-6-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2236-8-0x000000001B830000-0x000000001B8B0000-memory.dmp

memory/2236-9-0x000000001B830000-0x000000001B8B0000-memory.dmp

memory/2236-21-0x000000013FF80000-0x00000001401F2000-memory.dmp