Malware Analysis Report

2025-01-18 04:09

Sample ID 241102-jcfphs1cqj
Target 2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat
SHA256 96c634c1e1c36808ad958b40621d8c7a13c6547ab74a5c9ccb6244a116d78116
Tags
quasar office04 discovery spyware trojan upx
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

96c634c1e1c36808ad958b40621d8c7a13c6547ab74a5c9ccb6244a116d78116

Threat Level: Known bad

The file 2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat was found to be: Known bad.

Malicious Activity Summary

quasar office04 discovery spyware trojan upx

Quasar RAT

Quasar family

Quasar payload

Drops startup file

Loads dropped DLL

Executes dropped EXE

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 07:35

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

2024-11-02 07:31

Reported

2024-11-02 07:39

Platform

win7-20240903-en

Max time kernel

150s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

Description Indicator Process Target
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Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

UPX packed file

upx
Description Indicator Process Target
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System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2144 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
PID 2144 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
PID 2144 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
PID 2144 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe
PID 2756 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Windows\system32\schtasks.exe
PID 2756 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Windows\system32\schtasks.exe
PID 2756 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Windows\system32\schtasks.exe
PID 2756 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 2756 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 2756 wrote to memory of 3044 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
PID 3044 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe
PID 3044 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe
PID 3044 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe C:\Windows\system32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\\sign.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\system32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 mx5.deitie.asia udp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 tcp

Files

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe

MD5 7498d554976744dfbd271ba755c6c192
SHA1 ec733d01e776518e387d2f51d1a6559b81f03b1e
SHA256 44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7
SHA512 d4e987d0e6235001fac4ae3a634e8fe98c6830e26a6a6876fbc36262842688d3ec301cff75003d2af695cdfd357ac50919946695b7d5d3293ebcba97153e1030

memory/2756-5-0x000007FEF6123000-0x000007FEF6124000-memory.dmp

memory/2756-6-0x0000000000A40000-0x0000000000D64000-memory.dmp

memory/2756-7-0x000007FEF6120000-0x000007FEF6B0C000-memory.dmp

memory/2144-9-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-34-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-36-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-55-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-50-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-42-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-16-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-53-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-49-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-54-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-46-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-32-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-30-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-28-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-24-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-20-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-18-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-12-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-11-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3044-60-0x0000000001040000-0x0000000001364000-memory.dmp

memory/2756-61-0x000007FEF6120000-0x000007FEF6B0C000-memory.dmp

memory/2144-10-0x0000000010000000-0x000000001003E000-memory.dmp

memory/2144-62-0x0000000010000000-0x000000001003E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 07:31

Reported

2024-11-02 07:39

Platform

win10v2004-20241007-en

Max time kernel

130s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A
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Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

UPX packed file

upx
Description Indicator Process Target
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System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\Client.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-02_ab3645924d8778ff67010227f5ca5e00_icedid_poet-rat_quasar-rat_xrat.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\\sign.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\Client.exe

"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 mx5.deitie.asia udp
US 150.171.27.10:443 g.bing.com tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
CN 114.116.244.244:4495 mx5.deitie.asia tcp
CN 114.116.244.244:4495 mx5.deitie.asia tcp

Files

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sign.exe

MD5 7498d554976744dfbd271ba755c6c192
SHA1 ec733d01e776518e387d2f51d1a6559b81f03b1e
SHA256 44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7
SHA512 d4e987d0e6235001fac4ae3a634e8fe98c6830e26a6a6876fbc36262842688d3ec301cff75003d2af695cdfd357ac50919946695b7d5d3293ebcba97153e1030

memory/3056-4-0x00007FFC72ED3000-0x00007FFC72ED5000-memory.dmp

memory/3056-5-0x0000000000BE0000-0x0000000000F04000-memory.dmp

memory/3056-6-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

memory/3280-48-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-51-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-14-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-50-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-46-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-42-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-40-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-36-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-34-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-32-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-30-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-26-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-24-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-20-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-18-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-16-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-44-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-38-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-28-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-22-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-12-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-11-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-9-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3280-8-0x0000000010000000-0x000000001003E000-memory.dmp

memory/3056-57-0x00007FFC72ED0000-0x00007FFC73991000-memory.dmp

memory/2600-58-0x000000001BA40000-0x000000001BA90000-memory.dmp

memory/2600-59-0x000000001C300000-0x000000001C3B2000-memory.dmp

memory/3280-60-0x0000000010000000-0x000000001003E000-memory.dmp