sakula | 15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac

General

Target

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe
Size

192KB
MD5

53fcd518cb43ec5cb972f53b496298b1
SHA1

6f1fe12dc3149f40de9b86e3980c294455b08fd9
SHA256

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac
SHA512

8e3d324c982c30dfbfa2a8c02eacda2f9903eefb1c66be6b287e2df42bad413d03ed52ad07ef59334e4d81dd24e6cc6b8f6205b3767dca9b68a6798dca318edd

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

828 MediaCenter.exe

pid	process
828	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:

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.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"	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.718234"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.339275"	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\Config\DODownloadMode = "1"	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\UplinkUsageBps = "0"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\MonthlyUploadRestriction = "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 = "4248"	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\DownloadMonthlyGroupBytes = "0"	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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4144"	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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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\PeerInfoCount = "0"	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\DownlinkUsageBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyCdnBytes = "0"	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\Config\KVFileExpirationTime = "132892890584304507"	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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1640 PING.EXE

pid	process
1640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe
Token: SeBackupPrivilege	3956	TiWorker.exe
Token: SeRestorePrivilege	3956	TiWorker.exe
Token: SeSecurityPrivilege	3956	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.execmd.exe

description	pid	process	target process
PID 2908 wrote to memory of 828	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	MediaCenter.exe
PID 2908 wrote to memory of 828	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	MediaCenter.exe
PID 2908 wrote to memory of 828	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	MediaCenter.exe
PID 2908 wrote to memory of 2500	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	cmd.exe
PID 2908 wrote to memory of 2500	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	cmd.exe
PID 2908 wrote to memory of 2500	2908	15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe	cmd.exe
PID 2500 wrote to memory of 1640	2500	cmd.exe	PING.EXE
PID 2500 wrote to memory of 1640	2500	cmd.exe	PING.EXE
PID 2500 wrote to memory of 1640	2500	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe
"C:\Users\Admin\AppData\Local\Temp\15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:828

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15ee826a080fe0355c56e6a7a4775cedc3e769273bfa57a8e21bf59970e1faac.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:868

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:3144

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:3956

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
dbbce576b07079643e77cb034aa82215

SHA1
147fc35780c4c5c86c52fda7945ae38a2a262ded

SHA256
5a1baa38b69ad23929c7f8eb365ee2c94c4eaf5ad2b6d671db0136294529e1f2

SHA512
87b8c4286dcb4ffd311c66aecbd69a673756e430bbd889a8dee2a5b2dfb0caf564e470e175fa9dfaa08cb50b0129ad588cd1cf24559ab593c2d1a1d7ef3d0e93

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

MD5
dbbce576b07079643e77cb034aa82215

SHA1
147fc35780c4c5c86c52fda7945ae38a2a262ded

SHA256
5a1baa38b69ad23929c7f8eb365ee2c94c4eaf5ad2b6d671db0136294529e1f2

SHA512
87b8c4286dcb4ffd311c66aecbd69a673756e430bbd889a8dee2a5b2dfb0caf564e470e175fa9dfaa08cb50b0129ad588cd1cf24559ab593c2d1a1d7ef3d0e93

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads