sakula | 15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2

General

Target

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe
Size

191KB
MD5

30a6e59625cc24d18aa4e3ea3fb6fef0
SHA1

1fae76d5b61b31b0173737525b02bb6fbe68bbd9
SHA256

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2
SHA512

9f4cc06ed2c78d2092c994f0cfbf895fe402ee510b101bf778da53d32bde014d2fe4b83bed05726044a6e4462ad396f1e0ef904352407c7648ecb255552013b1

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

3456 MediaCenter.exe

pid	process
3456	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:

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.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"	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4072"	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\UploadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
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\DownloadMode_BackCompat = "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\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\Usage\PeerInfoCount = "0"	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\Usage\CPUpct = "0.069686"	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\DODownloadMode = "1"	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\UplinkBps = "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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyInternetBytes = "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\NormalDownloadCount = "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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.521738"	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\Config\KVFileExpirationTime = "132892891597630606"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3868 PING.EXE

pid	process
3868	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.execmd.exe

description	pid	process	target process
PID 1832 wrote to memory of 3456	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	MediaCenter.exe
PID 1832 wrote to memory of 3456	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	MediaCenter.exe
PID 1832 wrote to memory of 3456	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	MediaCenter.exe
PID 1832 wrote to memory of 1744	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	cmd.exe
PID 1832 wrote to memory of 1744	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	cmd.exe
PID 1832 wrote to memory of 1744	1832	15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe	cmd.exe
PID 1744 wrote to memory of 3868	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 3868	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 3868	1744	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe
"C:\Users\Admin\AppData\Local\Temp\15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15dc95d459aed2acf7e67f9a35c988501661a4c04bb7e1246e8cf634bb30cac2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3868

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2572

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:2940

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:3084

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b5e43b4745b10eb624cb4ba8dc8226bb

SHA1
bc21d5fc377954c2dba757382b80257d987365a9

SHA256
abfbedb909b08c456bad154597443b588bf7f6402c29ca42845f1ab6589bfb9c

SHA512
3325ffa4412d649ebfbf6caad309eba06daa6a429bf830f28e0f9f97cfedb54c1d3194ab3be303350e4beba903dbd4e98e61437ce718b17c91d9bbc49f79d19b

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

MD5
b5e43b4745b10eb624cb4ba8dc8226bb

SHA1
bc21d5fc377954c2dba757382b80257d987365a9

SHA256
abfbedb909b08c456bad154597443b588bf7f6402c29ca42845f1ab6589bfb9c

SHA512
3325ffa4412d649ebfbf6caad309eba06daa6a429bf830f28e0f9f97cfedb54c1d3194ab3be303350e4beba903dbd4e98e61437ce718b17c91d9bbc49f79d19b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads