sakula | 15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320

General

Target

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe
Size

150KB
MD5

deb0a1ec34ad3607d85b38b8a634da7e
SHA1

695319869bf475b0d1abc37922cfb96c3047fd28
SHA256

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320
SHA512

f1e95a9e8b86c1da7eb77391f08d57585f3ba40c99bcbfbd2d42f079740c4233318c2776a516fabdff47e3be5df315919a4304290ecaafae15ccb89e3fa2f648

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

1536 MediaCenter.exe

pid	process
1536	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:

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.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"	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.777947"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.602409"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateFrCnt = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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 (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\InternetConnectionCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "29.995546"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\NormalDownloadPendingCount = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\MonthID = "2"	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
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\DownloadMonthlyInternetBytes = "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\CDNConnectionCount = "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\PriorityDownloadCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\Config\KVFileExpirationTime = "132892892863013068"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2836 PING.EXE

pid	process
2836	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe
Token: SeBackupPrivilege	1944	TiWorker.exe
Token: SeRestorePrivilege	1944	TiWorker.exe
Token: SeSecurityPrivilege	1944	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.execmd.exe

description	pid	process	target process
PID 3740 wrote to memory of 1536	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	MediaCenter.exe
PID 3740 wrote to memory of 1536	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	MediaCenter.exe
PID 3740 wrote to memory of 1536	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	MediaCenter.exe
PID 3740 wrote to memory of 2204	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	cmd.exe
PID 3740 wrote to memory of 2204	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	cmd.exe
PID 3740 wrote to memory of 2204	3740	15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe	cmd.exe
PID 2204 wrote to memory of 2836	2204	cmd.exe	PING.EXE
PID 2204 wrote to memory of 2836	2204	cmd.exe	PING.EXE
PID 2204 wrote to memory of 2836	2204	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe
"C:\Users\Admin\AppData\Local\Temp\15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15ca9bb365e6598054bc7932a77f1fd8bd43655917b8a272cea3db2d6b6e8320.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2836

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:400

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:2640

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:1944

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
8b1de79760c0e9c5aa48d007b488d20c

SHA1
e72c44e40c37cea034609b5bb35a71d6e19060cb

SHA256
d6e0db6e3442e2f7687c9c99cb89a09cb283ca3a02ebae9da9368b6f1f8cd9fe

SHA512
9d4565ecce5691fa01286c4864454ec92be1098bea4e0a392b2c70005507c38c15dd400aa3e85565b5a9759024cf5ac3b2d4071bc086d91eff7f6a487934e5a1

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

MD5
8b1de79760c0e9c5aa48d007b488d20c

SHA1
e72c44e40c37cea034609b5bb35a71d6e19060cb

SHA256
d6e0db6e3442e2f7687c9c99cb89a09cb283ca3a02ebae9da9368b6f1f8cd9fe

SHA512
9d4565ecce5691fa01286c4864454ec92be1098bea4e0a392b2c70005507c38c15dd400aa3e85565b5a9759024cf5ac3b2d4071bc086d91eff7f6a487934e5a1

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads