dcrat | 4e248fc185b94c24702d7a2331ee1dfc18c119f306999c451d10543e0e2536f0

Analysis

max time kernel
92s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/07/2024, 01:20

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General

Target
54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Size 1.3MB
Sample240702-bqk76a1emb
SHA256 54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88
MD5 48c2137034bee9bdfc2c9df1e71e9e04
SHA1 573e8453bc08e2b4e8e65b8560d81b150a9acdd8
SHA512 5c854bfa2b963039db83cf764ea0ddb513c612896c325acdd944bbb115858153cac15addbf18da208cf8753b60f774e7a61e0540fd82445f29f9d47a31c2b247
SSDEEP 24576:q0bcg1vqd25Gl35KcbOwGqq+AZbPxtDSk5/FX5vDlIXNQdS:qGy/3dSnEYFJvxS
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat evasion execution infostealer rat trojan

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

Process spawned unexpected child process 39 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4152	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4132	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4248	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	724	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4696	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	416	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	464	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4848	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	908	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2776	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4824	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4828	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3968	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3400	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4048	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1848	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	984	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1572	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4052	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1360	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	912	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2040	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1252	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4612	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4028	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4968	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	548	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2332	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1040	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1388	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2560	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4408	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2832	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	652	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5048	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4688	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1356	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3104	2168	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2408	2168	schtasks.exe	81

UAC bypass 3 TTPs 9 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	csrss.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/396-1-0x0000000000A40000-0x0000000000B96000-memory.dmp	dcrat
behavioral2/files/0x0009000000023446-21.dat	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 14 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
992	powershell.exe
4724	powershell.exe
4364	powershell.exe
3588	powershell.exe
872	powershell.exe
3336	powershell.exe
2472	powershell.exe
3708	powershell.exe
2888	powershell.exe
440	powershell.exe
4032	powershell.exe
4444	powershell.exe
4752	powershell.exe
3376	powershell.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	csrss.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	csrss.exe

Executes dropped EXE 5 IoCs

pid	Process
4584	csrss.exe
2940	csrss.exe
4884	csrss.exe
3512	csrss.exe
2892	csrss.exe

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	csrss.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
15	pastebin.com
16	pastebin.com
22	pastebin.com

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\Registry.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\MSBuild\SearchApp.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\sppsvc.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\dllhost.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\ee2ad38f3d4382	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\MSBuild\38384e6a620884	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\0a1fd5f707cd16	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\OfficeClickToRun.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\e6c9b481da804f	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\5940a34987c991	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\Setup\State\ea1d8f6d871115	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\Microsoft.NET\authman\RuntimeBroker.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\Microsoft.NET\authman\9e8d7a4ca61bd9	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\L2Schemas\csrss.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\L2Schemas\886983d96e3d3e	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\CSC\dllhost.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
File created	C:\Windows\Setup\State\upfc.exe	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000_Classes\Local Settings	csrss.exe
Key created	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000_Classes\Local Settings	csrss.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4612	schtasks.exe
416	schtasks.exe
464	schtasks.exe
2776	schtasks.exe
1040	schtasks.exe
4848	schtasks.exe
4828	schtasks.exe
1572	schtasks.exe
4408	schtasks.exe
3968	schtasks.exe
4052	schtasks.exe
2332	schtasks.exe
2408	schtasks.exe
3400	schtasks.exe
4048	schtasks.exe
1356	schtasks.exe
984	schtasks.exe
1360	schtasks.exe
2040	schtasks.exe
548	schtasks.exe
1388	schtasks.exe
4152	schtasks.exe
4248	schtasks.exe
908	schtasks.exe
2560	schtasks.exe
4968	schtasks.exe
5048	schtasks.exe
724	schtasks.exe
4824	schtasks.exe
4028	schtasks.exe
3104	schtasks.exe
4132	schtasks.exe
912	schtasks.exe
4688	schtasks.exe
2832	schtasks.exe
652	schtasks.exe
4696	schtasks.exe
1848	schtasks.exe
1252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
3708	powershell.exe
3708	powershell.exe
872	powershell.exe
872	powershell.exe
4724	powershell.exe
4724	powershell.exe
2472	powershell.exe
2472	powershell.exe
3588	powershell.exe
3588	powershell.exe
4364	powershell.exe
4364	powershell.exe
4444	powershell.exe
4444	powershell.exe
4752	powershell.exe
4752	powershell.exe
440	powershell.exe
440	powershell.exe
3336	powershell.exe
3336	powershell.exe
2888	powershell.exe
2888	powershell.exe
992	powershell.exe
992	powershell.exe
3376	powershell.exe
3376	powershell.exe
4032	powershell.exe
4032	powershell.exe
2888	powershell.exe
4584	csrss.exe
4584	csrss.exe
3708	powershell.exe
872	powershell.exe
4444	powershell.exe
992	powershell.exe
4364	powershell.exe
3588	powershell.exe
4724	powershell.exe
440	powershell.exe
2472	powershell.exe
3336	powershell.exe
3376	powershell.exe
4032	powershell.exe
4752	powershell.exe
2940	csrss.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Token: SeDebugPrivilege	440	powershell.exe
Token: SeDebugPrivilege	3708	powershell.exe
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	4724	powershell.exe
Token: SeDebugPrivilege	4444	powershell.exe
Token: SeDebugPrivilege	992	powershell.exe
Token: SeDebugPrivilege	2472	powershell.exe
Token: SeDebugPrivilege	3588	powershell.exe
Token: SeDebugPrivilege	3376	powershell.exe
Token: SeDebugPrivilege	4364	powershell.exe
Token: SeDebugPrivilege	4752	powershell.exe
Token: SeDebugPrivilege	3336	powershell.exe
Token: SeDebugPrivilege	2888	powershell.exe
Token: SeDebugPrivilege	4584	csrss.exe
Token: SeDebugPrivilege	4032	powershell.exe
Token: SeDebugPrivilege	2940	csrss.exe
Token: SeDebugPrivilege	4884	csrss.exe
Token: SeDebugPrivilege	3512	csrss.exe
Token: SeDebugPrivilege	2892	csrss.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4364	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	121
PID 396 wrote to memory of 4364	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	121
PID 396 wrote to memory of 4724	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	122
PID 396 wrote to memory of 4724	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	122
PID 396 wrote to memory of 3708	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	123
PID 396 wrote to memory of 3708	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	123
PID 396 wrote to memory of 2472	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	125
PID 396 wrote to memory of 2472	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	125
PID 396 wrote to memory of 992	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	126
PID 396 wrote to memory of 992	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	126
PID 396 wrote to memory of 440	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	127
PID 396 wrote to memory of 440	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	127
PID 396 wrote to memory of 3588	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	128
PID 396 wrote to memory of 3588	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	128
PID 396 wrote to memory of 3376	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	129
PID 396 wrote to memory of 3376	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	129
PID 396 wrote to memory of 4752	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	130
PID 396 wrote to memory of 4752	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	130
PID 396 wrote to memory of 2888	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	131
PID 396 wrote to memory of 2888	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	131
PID 396 wrote to memory of 4444	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	132
PID 396 wrote to memory of 4444	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	132
PID 396 wrote to memory of 3336	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	133
PID 396 wrote to memory of 3336	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	133
PID 396 wrote to memory of 4032	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	135
PID 396 wrote to memory of 4032	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	135
PID 396 wrote to memory of 872	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	137
PID 396 wrote to memory of 872	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	137
PID 396 wrote to memory of 4584	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	149
PID 396 wrote to memory of 4584	396	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe	149
PID 4584 wrote to memory of 1768	4584	csrss.exe	150
PID 4584 wrote to memory of 1768	4584	csrss.exe	150
PID 4584 wrote to memory of 4892	4584	csrss.exe	151
PID 4584 wrote to memory of 4892	4584	csrss.exe	151
PID 4584 wrote to memory of 1656	4584	csrss.exe	152
PID 4584 wrote to memory of 1656	4584	csrss.exe	152
PID 1656 wrote to memory of 1356	1656	cmd.exe	154
PID 1656 wrote to memory of 1356	1656	cmd.exe	154
PID 1768 wrote to memory of 2940	1768	WScript.exe	155
PID 1768 wrote to memory of 2940	1768	WScript.exe	155
PID 2940 wrote to memory of 3728	2940	csrss.exe	156
PID 2940 wrote to memory of 3728	2940	csrss.exe	156
PID 2940 wrote to memory of 4028	2940	csrss.exe	157
PID 2940 wrote to memory of 4028	2940	csrss.exe	157
PID 1656 wrote to memory of 4884	1656	cmd.exe	158
PID 1656 wrote to memory of 4884	1656	cmd.exe	158
PID 2940 wrote to memory of 4140	2940	csrss.exe	161
PID 2940 wrote to memory of 4140	2940	csrss.exe	161
PID 4140 wrote to memory of 3416	4140	cmd.exe	163
PID 4140 wrote to memory of 3416	4140	cmd.exe	163
PID 3728 wrote to memory of 3512	3728	WScript.exe	165
PID 3728 wrote to memory of 3512	3728	WScript.exe	165
PID 4140 wrote to memory of 2892	4140	cmd.exe	167
PID 4140 wrote to memory of 2892	4140	cmd.exe	167

System policy modification 1 TTPs 9 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	csrss.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	csrss.exe

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:\Users\Admin\AppData\Local\Temp\54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe
"C:\Users\Admin\AppData\Local\Temp\54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:396
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4364
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\OfficeClickToRun.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\Templates\explorer.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3708
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Mozilla Maintenance Service\logs\Registry.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\Templates\SearchApp.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\SearchApp.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:440
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sppsvc.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3588
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Windows Sidebar\Gadgets\OfficeClickToRun.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3376
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Setup\State\upfc.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4752
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\authman\RuntimeBroker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2888
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\Videos\Idle.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4444
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\csrss.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3336
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\L2Schemas\csrss.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4032
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\dllhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:872
- C:\Recovery\WindowsRE\csrss.exe
  "C:\Recovery\WindowsRE\csrss.exe"
  2⤵
  - UAC bypass
  - Checks computer location settings
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:4584
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c36f5981-4797-413f-b5bc-42a232af77fd.vbs"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1768
  - - C:\Recovery\WindowsRE\csrss.exe
      C:\Recovery\WindowsRE\csrss.exe
      4⤵
      UAC bypass
      Checks computer location settings
      Executes dropped EXE
      Checks whether UAC is enabled
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2940
    - - C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\5a2c5a4c-f3bf-453f-a767-3ce6b0d9a999.vbs"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3728
      - C:\Recovery\WindowsRE\csrss.exe
        
        C:\Recovery\WindowsRE\csrss.exe
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3512
    - - C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\5d8a0fb3-0ce0-4eb6-a12e-8d2f1e42dfb3.vbs"
        5⤵
        
        PID:4028
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\1CKPPXbanu.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4140
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:3416
      - C:\Recovery\WindowsRE\csrss.exe
        
        "C:\Recovery\WindowsRE\csrss.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2892
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\049cc1ab-20a8-45cb-8e33-a7e20f8b30d5.vbs"
    3⤵
    PID:4892
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\YXbxSkVmu9.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1656
  - - C:\Windows\system32\w32tm.exe
      w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
      4⤵
      PID:1356
  - - C:\Recovery\WindowsRE\csrss.exe
      "C:\Recovery\WindowsRE\csrss.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:4884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4248

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Templates\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\Templates\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4696

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Templates\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:416

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:908

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Templates\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Users\All Users\Templates\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Templates\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\MSBuild\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Sidebar\Gadgets\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Gadgets\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1360

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Sidebar\Gadgets\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:912

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 6 /tr "'C:\Windows\Setup\State\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Windows\Setup\State\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1252

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 12 /tr "'C:\Windows\Setup\State\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows\Microsoft.NET\authman\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Microsoft.NET\authman\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Windows\Microsoft.NET\authman\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Videos\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2332

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1388

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2560

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4408

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\L2Schemas\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:652

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\L2Schemas\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows\L2Schemas\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3104

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

SearchApp.exe

Path C:\Program Files (x86)\MSBuild\SearchApp.exe
Size 1.3MB
SHA256 54559193c7dc48fc6e2d0e2115eaaaf9ffd48b4aa40350673b6b93bdc6c92d88
MD5 48c2137034bee9bdfc2c9df1e71e9e04
SHA1 573e8453bc08e2b4e8e65b8560d81b150a9acdd8
SHA512 5c854bfa2b963039db83cf764ea0ddb513c612896c325acdd944bbb115858153cac15addbf18da208cf8753b60f774e7a61e0540fd82445f29f9d47a31c2b247
SSDEEP 24576:q0bcg1vqd25Gl35KcbOwGqq+AZbPxtDSk5/FX5vDlIXNQdS:qGy/3dSnEYFJvxS
MD5 SHA1 SHA512 SSDEEP

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csrss.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\csrss.exe.log
Size 1KB
SHA256 2ca8df156dba033c5b3ae4009e3be14dcdc6b9be53588055efd0864a1ab8ff73
MD5 3690a1c3b695227a38625dcf27bd6dac
SHA1 c2ed91e98b120681182904fa2c7cd504e5c4b2f5
SHA512 15ebfe05c0317f844e957ac02842a60b01f00ddca981e888e547056d0e30c97829bc4a2a46ce43034b3346f7cf5406c7c41c2a830f0abc47c8d2fd2ef00cb2c1
MD5 SHA1 SHA512

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 26209c196c9c45202d27468ea707b2b46f375bb612d50271924a28f9210df6a1
MD5 750e4be22a6fdadd7778a388198a9ee3
SHA1 8feb2054d8a3767833dd972535df54f0c3ab6648
SHA512 b0415087dfc32908b449b876b395a607698b0f7b72031916b6fe7c002e4b163ba318b7e85c8ce41f007429e666974c04967bc14345e3f4614e34d94f5c8ae804
MD5 SHA1 SHA512

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