orcus | 6e5aa4eae614ca049a1b2c8b803e6610b2b176a8e009ddad8df221c5899bb0ac

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 09:00

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General

Target

UZI.exe
Size

1.1MB
MD5

53438f13efec4841b7182bdcebc4410b
SHA1

9483c1614dbf6e133c92a1d355a017eff4eeed2b
SHA256

6e5aa4eae614ca049a1b2c8b803e6610b2b176a8e009ddad8df221c5899bb0ac
SHA512

363eb26746cc536a351f176d17205305ac84c18f151d608eb3f6543bed9db9e6d6104b90babde74d780873ef092bb2628493b5486f4521d0f9e8d26b5b33de8b
SSDEEP

24576:Fam4MROxnF4HrrcI0AilFEvxHPRZoo1jXbh:FOMiaHrrcI0AilFEvxHPjr

Score

10^/10

orcus defense_evasion rat spyware stealer

Malware Config

Extracted

Family

orcus

195.88.218.126:10134

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Modifies security service 2 TTPs 2 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MpsSvc\Parameters\PortKeywords\DHCP	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Parameters\PortKeywords\DHCP\Collection	svchost.exe

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcus family
orcus

Orcurs Rat Executable 4 IoCs

resource	yara_rule
behavioral1/memory/1740-1-0x0000000000A60000-0x0000000000B7A000-memory.dmp	orcus
behavioral1/memory/1740-218-0x000000001B470000-0x000000001B558000-memory.dmp	orcus
behavioral1/memory/1740-224-0x000000001B310000-0x000000001B390000-memory.dmp	orcus
behavioral1/memory/1740-277-0x000000001B310000-0x000000001B390000-memory.dmp	orcus

Executes dropped EXE 1 IoCs

pid	Process
2332	lkxfur4l.iwh.exe

Loads dropped DLL 2 IoCs

pid	Process
1740	UZI.exe
1740	UZI.exe

Drops file in System32 directory 19 IoCs

description	ioc	Process
File created	C:\Windows\system32\PerfStringBackup.TMP	WMIADAP.EXE
File created	C:\Windows\System32\Tasks\MasonUZI.exe	svchost.exe
File created	C:\Windows\system32\wbem\Performance\WmiApRpl_new.ini	WMIADAP.EXE
File created	C:\Windows\system32\perfc007.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh00C.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh011.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh010.dat	WMIADAP.EXE
File created	C:\Windows\system32\wbem\Performance\WmiApRpl_new.h	WMIADAP.EXE
File created	C:\Windows\system32\perfh00A.dat	WMIADAP.EXE
File opened for modification	C:\Windows\system32\PerfStringBackup.INI	WMIADAP.EXE
File created	C:\Windows\system32\perfc00C.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc010.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc011.dat	WMIADAP.EXE
File opened for modification	C:\Windows\System32\Tasks\MasonUZI.exe	svchost.exe
File created	C:\Windows\system32\perfh007.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc009.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfh009.dat	WMIADAP.EXE
File created	C:\Windows\system32\perfc00A.dat	WMIADAP.EXE
File opened for modification	C:\Windows\system32\wbem\Logs\wmiprov.log	wmiprvse.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\inf\WmiApRpl\WmiApRpl.h	WMIADAP.EXE
File opened for modification	C:\Windows\inf\WmiApRpl\WmiApRpl.h	WMIADAP.EXE
File created	C:\Windows\inf\WmiApRpl\0009\WmiApRpl.ini	WMIADAP.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
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
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

Modifies data under HKEY_USERS 44 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache\2d\52C64B7E	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Classes\Local Settings\MuiCache	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CTLs	svchost.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\Microsoft\SystemCertificates\Root\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot	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\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\Certificates	svchost.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\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\S-1-5-20\Software\Microsoft\SystemCertificates\My	svchost.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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	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\Microsoft\SystemCertificates\SmartCardRoot\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust	svchost.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\CA	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\Certificates	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	svchost.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\Policies\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	svchost.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\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CTLs	svchost.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	lsass.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CRLs	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\Microsoft\SystemCertificates\Root\Certificates	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CRLs	svchost.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\$Extend\$Quota:$Q:$INDEX_ALLOCATION	wmiprvse.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2208	SCHTASKS.exe
432	SCHTASKS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe
2332	lkxfur4l.iwh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	lkxfur4l.iwh.exe
Token: SeDebugPrivilege	1740	UZI.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe
Token: SeSecurityPrivilege	848	svchost.exe
Token: SeTakeOwnershipPrivilege	848	svchost.exe
Token: SeLoadDriverPrivilege	848	svchost.exe
Token: SeSystemtimePrivilege	848	svchost.exe
Token: SeBackupPrivilege	848	svchost.exe
Token: SeRestorePrivilege	848	svchost.exe
Token: SeShutdownPrivilege	848	svchost.exe
Token: SeSystemEnvironmentPrivilege	848	svchost.exe
Token: SeUndockPrivilege	848	svchost.exe
Token: SeManageVolumePrivilege	848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe
Token: SeSecurityPrivilege	848	svchost.exe
Token: SeTakeOwnershipPrivilege	848	svchost.exe
Token: SeLoadDriverPrivilege	848	svchost.exe
Token: SeSystemtimePrivilege	848	svchost.exe
Token: SeBackupPrivilege	848	svchost.exe
Token: SeRestorePrivilege	848	svchost.exe
Token: SeShutdownPrivilege	848	svchost.exe
Token: SeSystemEnvironmentPrivilege	848	svchost.exe
Token: SeUndockPrivilege	848	svchost.exe
Token: SeManageVolumePrivilege	848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe
Token: SeSecurityPrivilege	848	svchost.exe
Token: SeTakeOwnershipPrivilege	848	svchost.exe
Token: SeLoadDriverPrivilege	848	svchost.exe
Token: SeSystemtimePrivilege	848	svchost.exe
Token: SeBackupPrivilege	848	svchost.exe
Token: SeRestorePrivilege	848	svchost.exe
Token: SeShutdownPrivilege	848	svchost.exe
Token: SeSystemEnvironmentPrivilege	848	svchost.exe
Token: SeUndockPrivilege	848	svchost.exe
Token: SeManageVolumePrivilege	848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe
Token: SeSecurityPrivilege	848	svchost.exe
Token: SeTakeOwnershipPrivilege	848	svchost.exe
Token: SeLoadDriverPrivilege	848	svchost.exe
Token: SeSystemtimePrivilege	848	svchost.exe
Token: SeBackupPrivilege	848	svchost.exe
Token: SeRestorePrivilege	848	svchost.exe
Token: SeShutdownPrivilege	848	svchost.exe
Token: SeSystemEnvironmentPrivilege	848	svchost.exe
Token: SeUndockPrivilege	848	svchost.exe
Token: SeManageVolumePrivilege	848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe
Token: SeSecurityPrivilege	848	svchost.exe
Token: SeTakeOwnershipPrivilege	848	svchost.exe
Token: SeLoadDriverPrivilege	848	svchost.exe
Token: SeSystemtimePrivilege	848	svchost.exe
Token: SeBackupPrivilege	848	svchost.exe
Token: SeRestorePrivilege	848	svchost.exe
Token: SeShutdownPrivilege	848	svchost.exe
Token: SeSystemEnvironmentPrivilege	848	svchost.exe
Token: SeUndockPrivilege	848	svchost.exe
Token: SeManageVolumePrivilege	848	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	848	svchost.exe
Token: SeIncreaseQuotaPrivilege	848	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2332	1740	UZI.exe	30
PID 1740 wrote to memory of 2332	1740	UZI.exe	30
PID 1740 wrote to memory of 2332	1740	UZI.exe	30
PID 2332 wrote to memory of 424	2332	lkxfur4l.iwh.exe	5
PID 2332 wrote to memory of 476	2332	lkxfur4l.iwh.exe	6
PID 2332 wrote to memory of 492	2332	lkxfur4l.iwh.exe	7
PID 2332 wrote to memory of 500	2332	lkxfur4l.iwh.exe	8
PID 2332 wrote to memory of 592	2332	lkxfur4l.iwh.exe	9
PID 2332 wrote to memory of 668	2332	lkxfur4l.iwh.exe	10
PID 2332 wrote to memory of 740	2332	lkxfur4l.iwh.exe	11
PID 2332 wrote to memory of 812	2332	lkxfur4l.iwh.exe	12
PID 2332 wrote to memory of 848	2332	lkxfur4l.iwh.exe	13
PID 2332 wrote to memory of 972	2332	lkxfur4l.iwh.exe	15
PID 2332 wrote to memory of 236	2332	lkxfur4l.iwh.exe	16
PID 2332 wrote to memory of 292	2332	lkxfur4l.iwh.exe	17
PID 2332 wrote to memory of 1064	2332	lkxfur4l.iwh.exe	18
PID 2332 wrote to memory of 1108	2332	lkxfur4l.iwh.exe	19
PID 2332 wrote to memory of 1168	2332	lkxfur4l.iwh.exe	20
PID 2332 wrote to memory of 1204	2332	lkxfur4l.iwh.exe	21
PID 2332 wrote to memory of 844	2332	lkxfur4l.iwh.exe	23
PID 2332 wrote to memory of 1604	2332	lkxfur4l.iwh.exe	24
PID 2332 wrote to memory of 1728	2332	lkxfur4l.iwh.exe	25
PID 2332 wrote to memory of 1912	2332	lkxfur4l.iwh.exe	26
PID 2332 wrote to memory of 2388	2332	lkxfur4l.iwh.exe	27
PID 2332 wrote to memory of 1740	2332	lkxfur4l.iwh.exe	29
PID 1740 wrote to memory of 2208	1740	UZI.exe	31
PID 1740 wrote to memory of 2208	1740	UZI.exe	31
PID 1740 wrote to memory of 2208	1740	UZI.exe	31
PID 2332 wrote to memory of 2208	2332	lkxfur4l.iwh.exe	31
PID 2332 wrote to memory of 2208	2332	lkxfur4l.iwh.exe	31
PID 2332 wrote to memory of 2276	2332	lkxfur4l.iwh.exe	32
PID 1740 wrote to memory of 432	1740	UZI.exe	33
PID 1740 wrote to memory of 432	1740	UZI.exe	33
PID 1740 wrote to memory of 432	1740	UZI.exe	33
PID 2332 wrote to memory of 432	2332	lkxfur4l.iwh.exe	33
PID 2332 wrote to memory of 432	2332	lkxfur4l.iwh.exe	33
PID 2332 wrote to memory of 1856	2332	lkxfur4l.iwh.exe	34
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 492 wrote to memory of 1740	492	lsass.exe	29
PID 592 wrote to memory of 604	592	svchost.exe	35
PID 592 wrote to memory of 604	592	svchost.exe	35
PID 592 wrote to memory of 604	592	svchost.exe	35
PID 2332 wrote to memory of 604	2332	lkxfur4l.iwh.exe	35
PID 2332 wrote to memory of 604	2332	lkxfur4l.iwh.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 604	492	lsass.exe	35
PID 492 wrote to memory of 236	492	lsass.exe	16
PID 848 wrote to memory of 2832	848	svchost.exe	36
PID 848 wrote to memory of 2832	848	svchost.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:424

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:476
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    3⤵
    PID:844
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe
    3⤵
    - Drops file in System32 directory
    PID:1728
- - C:\Windows\system32\wbem\wmiprvse.exe
    C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
    3⤵
    - Checks processor information in registry
    - NTFS ADS
    PID:604
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:668
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  - Modifies security service
  PID:740
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:812
- - C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    3⤵
    PID:1168
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:848
- - C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T /R
    3⤵
    - Drops file in System32 directory
    - Drops file in Windows directory
    PID:2832
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:972
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  - Modifies data under HKEY_USERS
  PID:236
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:292
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1064
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1108
- C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
  2⤵
  PID:1604
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1912
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2388

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:492

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:500

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1204
- C:\Users\Admin\AppData\Local\Temp\UZI.exe
  "C:\Users\Admin\AppData\Local\Temp\UZI.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\AppData\Local\Temp\lkxfur4l.iwh.exe
    "C:\Users\Admin\AppData\Local\Temp\lkxfur4l.iwh.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2332
- - C:\Windows\system32\SCHTASKS.exe
    "SCHTASKS.exe" /create /tn "MasonUZI.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\UZI.exe'" /sc onlogon /rl HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2208
- - C:\Windows\system32\SCHTASKS.exe
    "SCHTASKS.exe" /create /tn "MasonUZI.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\UZI.exe'" /sc onlogon /rl HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:432

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "17580069531250797922481872823-2122011395-1535987929-995782385-1920058755-677130300"
1⤵
PID:2276

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "1996097633-637396328-937541236-7799626746554135701993731091846718351-138789607"
1⤵
PID:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9BF3.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Windows\System32\perfc007.dat

Filesize
141KB

MD5
0f3d76321f0a7986b42b25a3aa554f82

SHA1
7036bba62109cc25da5d6a84d22b6edb954987c0

SHA256
dfad62e3372760d303f7337fe290e4cb28e714caadd3c59294b77968d81fe460

SHA512
bb02a3f14d47d233fbda046f61bbf5612ebc6213b156af9c47f56733a03df1bb484d1c3576569eb4499d7b378eb01f4d6e906c36c6f71738482584c2e84b47d0

Download Submit
C:\Windows\System32\perfc00A.dat

Filesize
150KB

MD5
540138285295c68de32a419b7d9de687

SHA1
1cf6a2a0f53f0516ff9fe5ac733dbb5a9255ae56

SHA256
33867c52f756f2b0f645f4bd503c65969d73676dcb14e6a6fdb2ffb11c7562eb

SHA512
7c17c10d4b6165aa0c208811dc6d98e2f4e75e3da1cc2313cc7da9d657626beb3e4ec00b07b71376a7c549725d40db20d8952753e70acc86e87a8390e224a64a

Download Submit
C:\Windows\System32\perfc00C.dat

Filesize
141KB

MD5
831dbe568992299e589143ee8898e131

SHA1
737726173aab8b76fe1f98104d72bb91abd273bf

SHA256
4f22ef1625fb2a2370779d0992f80b8e5e5da8dc727aa99ade152044d28e9405

SHA512
39015d29d593c9df59cdafbff95a6ddc000a5dbf767665b65f8ec65751e70315918c93d3583b922d32e9b6261b8c07023da660098ca79c5420b782c150b5c139

Download Submit
C:\Windows\System32\perfc010.dat

Filesize
138KB

MD5
cf82e7354e591c1408eb2cc0e29dd274

SHA1
7e91bd50c3e6b64b81e2b5c1ce723f52e34748e9

SHA256
59b5e6fbbe68f47db14a3c045b0ac1abb026c626ca4bee708fbd3940e6d2e06d

SHA512
98bd4809c1c418be4100096bc9df328d2ad435c5615c082fa2bfa424935203107015862cd9c1737800b7f7bd020fea4538c325707927c1557bc3efebffb27620

Download Submit
C:\Windows\System32\perfc011.dat

Filesize
114KB

MD5
1f998386566e5f9b7f11cc79254d1820

SHA1
e1da5fe1f305099b94de565d06bc6f36c6794481

SHA256
1665d97fb8786b94745295feb616a30c27af84e8a5e1d25cd1bcaf70723040ea

SHA512
a7c9702dd5833f4d6d27ce293efb9507948a3b05db350fc9909af6a48bd649c7578f856b4d64d87df451d0efbe202c62da7fffcac03b3fe72c7caaea553de75f

Download Submit
C:\Windows\System32\perfh007.dat

Filesize
668KB

MD5
5026297c7c445e7f6f705906a6f57c02

SHA1
4ec3b66d44b0d44ec139bd1475afd100748f9e91

SHA256
506d3bec72805973df3b2e11aba4d074aeb4b26b7335536e79ea1145108817cc

SHA512
5be8e51ecacda465b905df3e38ac114240d8fa6bae5bb17e8e53a87630454b57514ca0abbd8afefd798d450cd4ee89caf4391eeb837ced384260c188482fb48d

Download Submit
C:\Windows\System32\perfh009.dat

Filesize
634KB

MD5
1c678ee06bd02b5d9e4d51c3a4ec2d2b

SHA1
90aa7fdfaaa37fb4f2edfc8efc3994871087dedb

SHA256
2d168ab31836a08d8ca00aab9685f040aac4052a7f10fbbf0c28e9f880a79dd3

SHA512
ec665d7a20f27b2a0fe2475883009c6d34615cc2046d096de447ef57bcac9da0ae842be0556f5736f42d9c1c601fb8629896a2444990e508f7c573165088ab32

Download Submit
C:\Windows\System32\perfh00A.dat

Filesize
715KB

MD5
340af83514a525c50ffbbf8475ed62b7

SHA1
e2f382ae75afe7df8a323320bbb2aafa1ff6e407

SHA256
fb298e9a90476b4698def395a8ee1974c1cee3959b658662c730da915caea417

SHA512
8236aab579456ef4614ddd5fbfe72d0b0b26617c43a9cd53c3de56d3ac052eee8ca7d70749aaca0692855ecd4fd5f1460ac0b1dd30481dee519b910755c1cc2d

Download Submit
C:\Windows\System32\perfh00C.dat

Filesize
715KB

MD5
718bb9564980029a2e3341093a4bb082

SHA1
8953d96e47b65c2c70f2bcc3d9e2e7c55d41ee61

SHA256
ad7b5314ef00ce846ae2c91a32dd1c1f2b4905cf182005e251ad6d4af66cc977

SHA512
3f22961d108271dc098ae2c75d217991da38c18a587b44abd74da853ea26d171ca1a507c3200f3b7c2a8175bfff5a8b968a551a4804082064dc6f2ef98b5432d

Download Submit
C:\Windows\System32\perfh010.dat

Filesize
710KB

MD5
66fd0e1999023d23c9f8e3cd7a92af77

SHA1
e0e61df319ddbc7c9d425612295f825c47888658

SHA256
bdbadcf6f408c6d223974d52a69413aebe1d50ac7eaeacefa2beb2f7321355d0

SHA512
b8924cdf53eb5589820a16890fa7abdca20dfc3ca44063d3fdaef484f506419dbf9cd660bc80e8dfe7b7eba7d9db8fe0046accc1fca8d3faf70dedfa1ee0e68f

Download Submit
C:\Windows\System32\perfh011.dat

Filesize
394KB

MD5
24da30cbb5f0fe4939862880e72cc32c

SHA1
9132497736f52dae62b79be1677c05e32a7ba2ab

SHA256
a11a4228f8485db2f90466651f6cab07245a8ff5b3448636ab0abc4d618a4a1f

SHA512
332a57e8f0e8d7f82044f90388afd7509768ecb3f657c6be12d1f51ec1c66b8886c30d4b4a42d3a64c3e0d8b76d7cc86a1ac3b92713a68a62c12fdae6a77d6c2

Download Submit
C:\Windows\System32\wbem\Performance\WmiApRpl.h

Filesize
3KB

MD5
b133a676d139032a27de3d9619e70091

SHA1
1248aa89938a13640252a79113930ede2f26f1fa

SHA256
ae2b6236d3eeb4822835714ae9444e5dcd21bc60f7a909f2962c43bc743c7b15

SHA512
c6b99e13d854ce7a6874497473614ee4bd81c490802783db1349ab851cd80d1dc06df8c1f6e434aba873a5bbf6125cc64104709064e19a9dc1c66dcde3f898f5

Download Submit
C:\Windows\System32\wbem\Performance\WmiApRpl.ini

Filesize
27KB

MD5
46d08e3a55f007c523ac64dce6dcf478

SHA1
62edf88697e98d43f32090a2197bead7e7244245

SHA256
5b15b1fc32713447c3fbc952a0fb02f1fd78c6f9ac69087bdb240625b0282614

SHA512
b1f42e70c0ba866a9ed34eb531dbcbae1a659d7349c1e1a14b18b9e23d8cbd302d8509c6d3a28bc7509dd92e83bcb400201fb5d5a70f613421d81fe649d02e42

Download Submit
\Users\Admin\AppData\Local\Temp\lkxfur4l.iwh.exe

Filesize
161KB

MD5
94f1ab3a068f83b32639579ec9c5d025

SHA1
38f3d5bc5de46feb8de093d11329766b8e2054ae

SHA256
879cc20b41635709bb304e315aaa5ca4708b480a1bfc2f4935fcf2215188efb0

SHA512
44d5236a804d63302b21ca25ebc148a64605508d03c990a244c44ceb8630849da0510b7b2d0bee72e01ca6681e2d86d7e6aee8847674a26f0028d149b9abee0c

Download Submit
memory/236-65-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/236-66-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/236-57-0x0000000000C70000-0x0000000000C9B000-memory.dmp

Filesize
172KB

Download
memory/236-223-0x0000000000C70000-0x0000000000C9B000-memory.dmp

Filesize
172KB

Download
memory/236-68-0x0000000000C70000-0x0000000000C9B000-memory.dmp

Filesize
172KB

Download
memory/424-16-0x0000000000C00000-0x0000000000C25000-memory.dmp

Filesize
148KB

Download
memory/424-17-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

Download
memory/424-196-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

Download
memory/424-19-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/424-43-0x0000000076DC1000-0x0000000076DC2000-memory.dmp

Filesize
4KB

Download
memory/424-15-0x0000000000C00000-0x0000000000C25000-memory.dmp

Filesize
148KB

Download
memory/424-42-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

Download
memory/424-18-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/476-219-0x00000000001E0000-0x000000000020B000-memory.dmp

Filesize
172KB

Download
memory/476-58-0x00000000001E0000-0x000000000020B000-memory.dmp

Filesize
172KB

Download
memory/476-46-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/476-45-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/476-44-0x00000000001E0000-0x000000000020B000-memory.dmp

Filesize
172KB

Download
memory/492-53-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/492-51-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/492-59-0x0000000000200000-0x000000000022B000-memory.dmp

Filesize
172KB

Download
memory/492-220-0x0000000000200000-0x000000000022B000-memory.dmp

Filesize
172KB

Download
memory/492-48-0x0000000000200000-0x000000000022B000-memory.dmp

Filesize
172KB

Download
memory/592-221-0x0000000000170000-0x000000000019B000-memory.dmp

Filesize
172KB

Download
memory/592-49-0x0000000000170000-0x000000000019B000-memory.dmp

Filesize
172KB

Download
memory/592-50-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/592-52-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/592-60-0x0000000000170000-0x000000000019B000-memory.dmp

Filesize
172KB

Download
memory/668-69-0x00000000001E0000-0x000000000020B000-memory.dmp

Filesize
172KB

Download
memory/740-73-0x0000000000C40000-0x0000000000C6B000-memory.dmp

Filesize
172KB

Download
memory/740-74-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/740-75-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/812-80-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/812-79-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/812-77-0x0000000000CA0000-0x0000000000CCB000-memory.dmp

Filesize
172KB

Download
memory/848-84-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/848-85-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/848-82-0x0000000000CF0000-0x0000000000D1B000-memory.dmp

Filesize
172KB

Download
memory/972-222-0x0000000000D50000-0x0000000000D7B000-memory.dmp

Filesize
172KB

Download
memory/972-63-0x0000000036DB0000-0x0000000036DC0000-memory.dmp

Filesize
64KB

Download
memory/972-61-0x0000000000D50000-0x0000000000D7B000-memory.dmp

Filesize
172KB

Download
memory/972-62-0x000007FEBD640000-0x000007FEBD650000-memory.dmp

Filesize
64KB

Download
memory/1740-227-0x000000001B560000-0x000000001B572000-memory.dmp

Filesize
72KB

Download
memory/1740-2-0x0000000000550000-0x000000000057C000-memory.dmp

Filesize
176KB

Download
memory/1740-224-0x000000001B310000-0x000000001B390000-memory.dmp

Filesize
512KB

Download
memory/1740-277-0x000000001B310000-0x000000001B390000-memory.dmp

Filesize
512KB

Download
memory/1740-228-0x000000001B660000-0x000000001B678000-memory.dmp

Filesize
96KB

Download
memory/1740-78-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/1740-226-0x000000001B2E0000-0x000000001B2EE000-memory.dmp

Filesize
56KB

Download
memory/1740-218-0x000000001B470000-0x000000001B558000-memory.dmp

Filesize
928KB

Download
memory/1740-225-0x000000001A800000-0x000000001A85C000-memory.dmp

Filesize
368KB

Download
memory/1740-229-0x000000001B300000-0x000000001B310000-memory.dmp

Filesize
64KB

Download
memory/1740-0-0x000007FEF5103000-0x000007FEF5104000-memory.dmp

Filesize
4KB

Download
memory/1740-1-0x0000000000A60000-0x0000000000B7A000-memory.dmp

Filesize
1.1MB

Download
memory/2332-12-0x0000000076B50000-0x0000000076C6F000-memory.dmp

Filesize
1.1MB

Download
memory/2332-13-0x0000000076D71000-0x0000000076E72000-memory.dmp

Filesize
1.0MB

Download
memory/2332-11-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download
memory/2332-14-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download
memory/2332-83-0x0000000076D70000-0x0000000076F19000-memory.dmp

Filesize
1.7MB

Download