sakula | 139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681

General

Target

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe
Size

99KB
MD5

db1ac161c4c29f5c6dc9aa3390c66554
SHA1

d0ba0a7a24eda5790e7ae0afdcb5132e5f298ce8
SHA256

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681
SHA512

b463f4644dc4a894b3972f8db3f41ae2ab2723e42f7a3af05c97fb7fecc4bd37501821654f31ea86cd053ffb3b8e0eedfeb9fccebeb7b965d93b06319388316f

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

2980 MediaCenter.exe

pid	process
2980	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:

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.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"	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\UploadCount = "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\Config\DODownloadMode = "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\DownloadMonthlyCacheHostBytes = "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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038285"	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\Config\DownloadMode_BackCompat = "1"	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\PeerInfoCount = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.075284"	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\DownloadMonthlyGroupBytes = "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\NormalDownloadPendingCount = "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\MonthID = "2"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4424"	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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892925690395800"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1204 PING.EXE

pid	process
1204	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe
Token: SeBackupPrivilege	2540	TiWorker.exe
Token: SeRestorePrivilege	2540	TiWorker.exe
Token: SeSecurityPrivilege	2540	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.execmd.exe

description	pid	process	target process
PID 3716 wrote to memory of 2980	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	MediaCenter.exe
PID 3716 wrote to memory of 2980	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	MediaCenter.exe
PID 3716 wrote to memory of 2980	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	MediaCenter.exe
PID 3716 wrote to memory of 432	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	cmd.exe
PID 3716 wrote to memory of 432	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	cmd.exe
PID 3716 wrote to memory of 432	3716	139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe	cmd.exe
PID 432 wrote to memory of 1204	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 1204	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 1204	432	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe
"C:\Users\Admin\AppData\Local\Temp\139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3716

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\139d0c8f0cbe11ea2f0bdedadb95d4fd66f589cc8aca2ca0f163f06f217ff681.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1204

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3816

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:3716

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:2540

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
1575a3c88e07ce5e19995cf65ab9bcd3

SHA1
7e91f25bebf7fa19021be7a2ac3adc15240cd01c

SHA256
d250a74c63922aa3ca0a0438847ec2829b81793b2b405bbeac7dcbbb68b82e21

SHA512
ad9bc91862ab7a043986a478920a5543b7df8391eddff0c8a5d02694f6a4b009bf0af3b885e5d66041cbb96965e18ce9a411dfd60ac419ce30abbf9e0e364cbd

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

MD5
1575a3c88e07ce5e19995cf65ab9bcd3

SHA1
7e91f25bebf7fa19021be7a2ac3adc15240cd01c

SHA256
d250a74c63922aa3ca0a0438847ec2829b81793b2b405bbeac7dcbbb68b82e21

SHA512
ad9bc91862ab7a043986a478920a5543b7df8391eddff0c8a5d02694f6a4b009bf0af3b885e5d66041cbb96965e18ce9a411dfd60ac419ce30abbf9e0e364cbd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads