sakula | 13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18

General

Target

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe
Size

216KB
MD5

4d504aa098f295fd8f7b8c15808f18fb
SHA1

1a6e6bd459468a80dd78d6e4be963a5186c09c7d
SHA256

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18
SHA512

5550356ad67402d5c8e7a3d9ae39f7822658c7c53b94677bd622145ac029b3d5ebb6dea13bd99a851630d8eab691b3080af7ebc8b4c32f28d1a8560917924ed0

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 3 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
behavioral2/memory/2936-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

972 MediaCenter.exe

pid	process
972	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:

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.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"	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "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\DownlinkUsageBps = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\DownloadMonthlyGroupBytes = "0"	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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.222505"	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\MonthID = "2"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\KVFileExpirationTime = "132892925840867876"	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\NormalDownloadCount = "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\SwarmCount = "1"	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\LANConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\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\DownlinkBps = "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 = "1.694973"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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
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\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\MemoryUsageKB = "4152"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

364 PING.EXE

pid	process
364	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe
Token: SeBackupPrivilege	2396	TiWorker.exe
Token: SeRestorePrivilege	2396	TiWorker.exe
Token: SeSecurityPrivilege	2396	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.execmd.exe

description	pid	process	target process
PID 2936 wrote to memory of 972	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	MediaCenter.exe
PID 2936 wrote to memory of 972	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	MediaCenter.exe
PID 2936 wrote to memory of 972	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	MediaCenter.exe
PID 2936 wrote to memory of 3664	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	cmd.exe
PID 2936 wrote to memory of 3664	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	cmd.exe
PID 2936 wrote to memory of 3664	2936	13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe	cmd.exe
PID 3664 wrote to memory of 364	3664	cmd.exe	PING.EXE
PID 3664 wrote to memory of 364	3664	cmd.exe	PING.EXE
PID 3664 wrote to memory of 364	3664	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe
"C:\Users\Admin\AppData\Local\Temp\13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13a7fe09b2d9000926cd74b75b89350d087f19a68091156e909cc4f56b7fcc18.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3664

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:364

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3812

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:2724

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:2396

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
da86aa846d6325e7eb57cac76639589f

SHA1
3496eaa2eb7b4c61047dcd090f3a750b062e342b

SHA256
7acf174b9e0175c078d3b6b65e6a030c7826bdaa51bbd469e96dba4acab7016f

SHA512
0bae96754c63d0f98f6ef07f4e0f42837da048135c2c61cf200fa64b863a0f14a09fd7ea14f9e7afc49659568574c0d37840f1d83a60b614ec0116a0f24a0791

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

MD5
da86aa846d6325e7eb57cac76639589f

SHA1
3496eaa2eb7b4c61047dcd090f3a750b062e342b

SHA256
7acf174b9e0175c078d3b6b65e6a030c7826bdaa51bbd469e96dba4acab7016f

SHA512
0bae96754c63d0f98f6ef07f4e0f42837da048135c2c61cf200fa64b863a0f14a09fd7ea14f9e7afc49659568574c0d37840f1d83a60b614ec0116a0f24a0791

Download Submit
memory/2936-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads