Malware Analysis Report

2025-06-16 06:59

Sample ID 241104-dka64ssbnc
Target ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe
SHA256 ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5
Tags
quasar newzzz execution 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

ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5

Threat Level: Known bad

The file ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe was found to be: Known bad.

Malicious Activity Summary

quasar newzzz execution spyware trojan

Quasar family

Quasar RAT

Quasar payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 03:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 03:03

Reported

2024-11-04 03:10

Platform

win7-20241010-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe

"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5')

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote startup_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\SCV.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force

Network

Country Destination Domain Proto
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp
NL 193.124.205.71:5228 tcp

Files

memory/2772-0-0x000007FEF5583000-0x000007FEF5584000-memory.dmp

memory/2772-1-0x00000000000C0000-0x00000000001F2000-memory.dmp

memory/2156-6-0x0000000002550000-0x00000000025D0000-memory.dmp

memory/2156-7-0x000000001B370000-0x000000001B652000-memory.dmp

memory/2156-8-0x00000000023A0000-0x00000000023A8000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 5f92916b1726cf808a41516863b07524
SHA1 61cccbfff89b7a14450d4f77333866ccbecd3f71
SHA256 3c36ccbdd19677864893a66cbf67c16f18059e601f65297613b0d0ec0bf8dbcd
SHA512 862d252b649985f9a6dae12d0f9b850607792d733bb1ff828768c40e39db6713b6ce95e33c886f46a895ebb884a66894119cc51655f94867a9944322b4a4196e

memory/1896-14-0x000000001B2C0000-0x000000001B5A2000-memory.dmp

memory/1896-15-0x0000000002570000-0x0000000002578000-memory.dmp

memory/2772-17-0x000000001B860000-0x000000001BB84000-memory.dmp

memory/2772-18-0x000007FEF5583000-0x000007FEF5584000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 03:03

Reported

2024-11-04 03:10

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 33 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 34 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 35 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 36 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 33 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 34 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 35 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 36 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 33 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: 34 N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe

"C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\ee77b42fb254cef1f950668b0be51d87239d5134f0f92819fd8da1093fc8ced5')

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote startup_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\SCV.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
NL 193.124.205.71:5228 tcp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 71.205.124.193.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.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 10.27.171.150.in-addr.arpa udp

Files

memory/744-0-0x00007FF9158F3000-0x00007FF9158F5000-memory.dmp

memory/744-1-0x00000000005F0000-0x0000000000722000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d24sdmx0.l1f.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/340-11-0x0000029E48AC0000-0x0000029E48AE2000-memory.dmp

memory/340-12-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp

memory/340-13-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp

memory/340-14-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp

memory/340-15-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp

memory/340-18-0x00007FF9158F0000-0x00007FF9163B1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 661739d384d9dfd807a089721202900b
SHA1 5b2c5d6a7122b4ce849dc98e79a7713038feac55
SHA256 70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf
SHA512 81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 cc2ce575753731574bf10ff6e5162032
SHA1 b660e5156f97af770e5d359fdd2a6ea697f359fb
SHA256 c0c37fd6fb26d101e347a1e9b5190029bb591d8c57392dbf2df4741b11fc2dfa
SHA512 715bb49c3977d51ff39b0458b99c5e3ba786e3110a4015402cd023b484ff385704475238fb813d074524d76bc733b0d4e92b57b64d187b3d6a664e4f38eebc1b

memory/744-32-0x000000001BC40000-0x000000001BF64000-memory.dmp

memory/744-33-0x000000001C050000-0x000000001C0A0000-memory.dmp

memory/744-34-0x000000001DE00000-0x000000001DEB2000-memory.dmp

memory/744-37-0x000000001DD80000-0x000000001DD92000-memory.dmp

memory/744-38-0x000000001E900000-0x000000001E93C000-memory.dmp

memory/744-39-0x00007FF9158F3000-0x00007FF9158F5000-memory.dmp