91cd8bfbe714acc43beff32856c3d56ded48706d3c92c492a1acb994b606003b

Analysis

max time kernel
1535s
max time network
1723s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
16-02-2022 17:24

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General

Target

all/gcs/epic.exe
Size

1.1MB
MD5

0cf061ff391f467a683d11884d2ad520
SHA1

ed6212e71335f3707303da91c84993c149520d01
SHA256

3ac8a1a80b1aea1542a42ac25b0b4d730cc9f3cebd9b2661686177a083e98c03
SHA512

022e77fb62f3b5911172ef0b378b6f625fb940f475c6069c5146d179c0d426ba99a80f10fada8e5d1bdbd00c3ff3332dbf11f81469a75db29e79e71d0fe616d3

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 53 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143041"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132896825763475782"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.901316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3860"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337371"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3824"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013207"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

epic.exe

pid	process
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe
1168	epic.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

epic.exe

pid process

1168 epic.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

epic.exeTiWorker.exe

description	pid	process
Token: SeDebugPrivilege	1168	epic.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe
Token: SeBackupPrivilege	2776	TiWorker.exe
Token: SeRestorePrivilege	2776	TiWorker.exe
Token: SeSecurityPrivilege	2776	TiWorker.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

epic.exe

pid process

1168 epic.exe
1168 epic.exe

C:\Users\Admin\AppData\Local\Temp\all\gcs\epic.exe
"C:\Users\Admin\AppData\Local\Temp\all\gcs\epic.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1168

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2464

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2272

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2776

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wsappx -p
1⤵
PID:3244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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