sakula | 064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673

General

Target

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe
Size

100KB
MD5

6e1c74abdfa77aecab378a70121c1aea
SHA1

6b9a89ad232ecc3a00d289541713243b0318881f
SHA256

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673
SHA512

104d9718ac705d6bf22358faefab6a977c754b90dfba7f5bf70862803881bd8074e085b8c64ae0d59cc862e790bf5c440c8b94d2c31b45e7476aab5aecfc45e4

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

3640 MediaCenter.exe

pid	process
3640	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:

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.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"	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "0"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.810183"	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\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\MemoryUsageKB = "4308"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.999965"	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\DownlinkBps = "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 = "4072"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrBps = "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\Config\KVFileExpirationTime = "132893135622779354"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.035261"	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\UploadCount = "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\Usage\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "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\Config\DODownloadMode = "1"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1976 PING.EXE

pid	process
1976	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe
Token: SeBackupPrivilege	3384	TiWorker.exe
Token: SeRestorePrivilege	3384	TiWorker.exe
Token: SeSecurityPrivilege	3384	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.execmd.exe

description	pid	process	target process
PID 1124 wrote to memory of 3640	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	MediaCenter.exe
PID 1124 wrote to memory of 3640	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	MediaCenter.exe
PID 1124 wrote to memory of 3640	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	MediaCenter.exe
PID 1124 wrote to memory of 3484	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	cmd.exe
PID 1124 wrote to memory of 3484	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	cmd.exe
PID 1124 wrote to memory of 3484	1124	064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe	cmd.exe
PID 3484 wrote to memory of 1976	3484	cmd.exe	PING.EXE
PID 3484 wrote to memory of 1976	3484	cmd.exe	PING.EXE
PID 3484 wrote to memory of 1976	3484	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe
"C:\Users\Admin\AppData\Local\Temp\064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\064c2af6d23451ab6a3bf8978b322e2df8e078e134b5ee09ca7756be2ce6d673.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3484

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1976

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2700

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:1884

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:3384

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
96f6006424c0fba6799fc4b68c5a1c34

SHA1
9d68c6ef69eda74ec576183fdce4f8ac02d7bcf4

SHA256
f31700999b9b44b52254e77652c74ecde55a09a180132634a0aeab54474ed788

SHA512
1655f5db31cab2dedab9eefaa1fffb69f8ba653a9f186594a5920e0df6484abfae3147af700170dcb7e3bba51f68adacaa91e379c218acf92079d49723181071

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
96f6006424c0fba6799fc4b68c5a1c34

SHA1
9d68c6ef69eda74ec576183fdce4f8ac02d7bcf4

SHA256
f31700999b9b44b52254e77652c74ecde55a09a180132634a0aeab54474ed788

SHA512
1655f5db31cab2dedab9eefaa1fffb69f8ba653a9f186594a5920e0df6484abfae3147af700170dcb7e3bba51f68adacaa91e379c218acf92079d49723181071

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads