Malware Analysis Report

2024-10-19 08:41

Sample ID 240419-n18sesah67
Target 02.exe
SHA256 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6
Tags
office04 quasar spyware trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6

Threat Level: Known bad

The file 02.exe was found to be: Known bad.

Malicious Activity Summary

office04 quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-19 11:53

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 11:52

Reported

2024-04-19 11:55

Platform

win7-20240221-en

Max time kernel

138s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02.exe

"C:\Users\Admin\AppData\Local\Temp\02.exe"

Network

Country Destination Domain Proto
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp

Files

memory/2024-0-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp

memory/2024-1-0x0000000000260000-0x0000000000584000-memory.dmp

memory/2024-2-0x000000001B3D0000-0x000000001B450000-memory.dmp

memory/2024-3-0x000007FEF5AC0000-0x000007FEF64AC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-19 11:52

Reported

2024-04-19 11:55

Platform

win10v2004-20240412-en

Max time kernel

145s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02.exe

"C:\Users\Admin\AppData\Local\Temp\02.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
N/A 10.109.9.184:4782 tcp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 10.109.9.184:4782 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 10.109.9.184:4782 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 10.109.9.184:4782 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
N/A 10.109.9.184:4782 tcp
N/A 10.109.9.184:4782 tcp

Files

memory/1276-0-0x0000000000620000-0x0000000000944000-memory.dmp

memory/1276-1-0x00007FF88A450000-0x00007FF88AF11000-memory.dmp

memory/1276-2-0x0000000001110000-0x0000000001120000-memory.dmp

memory/1276-3-0x000000001C440000-0x000000001C490000-memory.dmp

memory/1276-4-0x000000001C550000-0x000000001C602000-memory.dmp

memory/1276-5-0x00007FF88A450000-0x00007FF88AF11000-memory.dmp

memory/1276-6-0x0000000001110000-0x0000000001120000-memory.dmp