sakula | 174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405

General

Target

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe
Size

79KB
MD5

03a1a59a38f2e39bb1613c630f9afcfb
SHA1

6ab49c556d09c1f3ee584dcd85d12214f61e498f
SHA256

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405
SHA512

fe55a99546497ebf156e97e40814fd1027bddd6478694f068ee5d9dbe7dd3588401cbc868ea10df468e9fad777d90596213371d408b732c920fbad7d016a7530

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1848 MediaCenter.exe

pid	process
1848	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe

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

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

System Information Discovery
T1082

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 45 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892869438831336"	svchost.exe
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\CDNConnectionCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.068974"	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\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\MemoryUsageKB = "4120"	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\DownloadMonthlyRateBkBps = "0"	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\PeerInfoCount = "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\PriorityDownloadCount = "0"	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\Usage\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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\MonthID = "2"	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\DownlinkBps = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1428 PING.EXE

pid	process
1428	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe
Token: SeBackupPrivilege	3824	TiWorker.exe
Token: SeRestorePrivilege	3824	TiWorker.exe
Token: SeSecurityPrivilege	3824	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.execmd.exe

description	pid	process	target process
PID 1680 wrote to memory of 1848	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	MediaCenter.exe
PID 1680 wrote to memory of 1848	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	MediaCenter.exe
PID 1680 wrote to memory of 1848	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	MediaCenter.exe
PID 1680 wrote to memory of 3828	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	cmd.exe
PID 1680 wrote to memory of 3828	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	cmd.exe
PID 1680 wrote to memory of 3828	1680	174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe	cmd.exe
PID 3828 wrote to memory of 1428	3828	cmd.exe	PING.EXE
PID 3828 wrote to memory of 1428	3828	cmd.exe	PING.EXE
PID 3828 wrote to memory of 1428	3828	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe
"C:\Users\Admin\AppData\Local\Temp\174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\174eb6dd0816041bb6e2c23d198d29ed00d17a163eabee2f30cf6dacc0989405.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1428

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2612

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:3364

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:3824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
72dacd874a629a606c96bde67e1508a4

SHA1
f55523635b1768cc5e7ce205a0addb46604d9eec

SHA256
234946e48cd81b9a44cec03237ed5d317d11aee006f0f6f9a34e4dbb48e30424

SHA512
fd00b037b2e9c8f20c5a7a9227d532b98221a1056b6c24330ab074c314444bdf47231e4025c5cf83f0d488b910bf054f0ff6ea3139e55aef265b8da7ab78c39c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
72dacd874a629a606c96bde67e1508a4

SHA1
f55523635b1768cc5e7ce205a0addb46604d9eec

SHA256
234946e48cd81b9a44cec03237ed5d317d11aee006f0f6f9a34e4dbb48e30424

SHA512
fd00b037b2e9c8f20c5a7a9227d532b98221a1056b6c24330ab074c314444bdf47231e4025c5cf83f0d488b910bf054f0ff6ea3139e55aef265b8da7ab78c39c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads