sakula | 105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6

General

Target

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe
Size

101KB
MD5

9d832d68210c4e9090f0211532793cb2
SHA1

510244948b11174e6e3d6934ddd61204f9c95839
SHA256

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6
SHA512

d2a695aab250cff9ed3788b9996dd6ed06eb5869a554a35b7b40b86bdf87c02943be025d4496959239b2dfb44924d715d08bddab214acfed3a4156d84a1b9c16

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

1940 MediaCenter.exe

pid	process
1940	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:

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.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"	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "0"	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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLinkLocalBytes = "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\Config\KVFileExpirationTime = "132892968866573802"	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
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\PriorityDownloadCount = "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\BkDownloadRatePct = "45"	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\DownlinkBps = "0"	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\UploadRatePct = "100"	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
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\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\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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4116"	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\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\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\UploadCount = "0"	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\MonthID = "2"	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\DownloadMonthlyCdnBytes = "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\UplinkBps = "0"	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 = "4.945064"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1804 PING.EXE

pid	process
1804	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe
Token: SeBackupPrivilege	2924	TiWorker.exe
Token: SeRestorePrivilege	2924	TiWorker.exe
Token: SeSecurityPrivilege	2924	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.execmd.exe

description	pid	process	target process
PID 4036 wrote to memory of 1940	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	MediaCenter.exe
PID 4036 wrote to memory of 1940	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	MediaCenter.exe
PID 4036 wrote to memory of 1940	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	MediaCenter.exe
PID 4036 wrote to memory of 1852	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	cmd.exe
PID 4036 wrote to memory of 1852	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	cmd.exe
PID 4036 wrote to memory of 1852	4036	105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe	cmd.exe
PID 1852 wrote to memory of 1804	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1804	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1804	1852	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe
"C:\Users\Admin\AppData\Local\Temp\105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1940

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\105ba796dcef4dd3cad5e5b141311af151b801de1487e3ead8235f2a2a7237d6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1804

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1856

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:3952

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:2924

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
e1a8598cfdf1918b98ad9ff56a175a8f

SHA1
4f3225db455632c684510d8077640ac734128978

SHA256
64b917f49a39ec4cfcba27bbcd65ee205e0487d1252ee9f4844d98c54278ec8a

SHA512
4411cb5dd8ffdcdf4124fd428cdc57a5bf7824cdf9876cbfb6d38a93a5b042f0adb96773fe8649e093803428520c7b2482f7beae99db5aecad2d260bc7a4c136

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

MD5
e1a8598cfdf1918b98ad9ff56a175a8f

SHA1
4f3225db455632c684510d8077640ac734128978

SHA256
64b917f49a39ec4cfcba27bbcd65ee205e0487d1252ee9f4844d98c54278ec8a

SHA512
4411cb5dd8ffdcdf4124fd428cdc57a5bf7824cdf9876cbfb6d38a93a5b042f0adb96773fe8649e093803428520c7b2482f7beae99db5aecad2d260bc7a4c136

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads