sakula | 15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738

General

Target

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe
Size

36KB
MD5

488e414f61397eea6de7345d53a1d665
SHA1

03198a5e6993cefdbad13a7f25547b13b3305971
SHA256

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738
SHA512

30b6ae1fe2b6503b851287360ebabf8ac5cd827114d12ef329e2ccf83167dd4743f6e2ceb769e76ee30520ffc4735c3a673c4eb0552369770177fbedb04d7e5c

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

536 MediaCenter.exe

pid	process
536	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:

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.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"	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.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 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 54 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.153686"	svchost.exe
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\Settings	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\Config\KVFileExpirationTime = "132892895286863834"	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\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\MonthID = "1"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.545018"	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\CDNConnectionCount = "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\DownloadMonthlyRateFrCnt = "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\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\UplinkUsageBps = "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\Config\DownloadMode_BackCompat = "1"	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\PeerInfoCount = "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\LinkLocalConnectionCount = "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\DownloadMonthlyCdnBytes = "90228624"	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\DownloadMonthlyCdnBytes = "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\Usage\DownloadMonthlyRateBkCnt = "4"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\UploadCount = "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\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 (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\MemoryUsageKB = "4276"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.030093"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3932 PING.EXE

pid	process
3932	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe
Token: SeBackupPrivilege	2552	TiWorker.exe
Token: SeRestorePrivilege	2552	TiWorker.exe
Token: SeSecurityPrivilege	2552	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.execmd.exe

description	pid	process	target process
PID 1880 wrote to memory of 536	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	MediaCenter.exe
PID 1880 wrote to memory of 536	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	MediaCenter.exe
PID 1880 wrote to memory of 536	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	MediaCenter.exe
PID 1880 wrote to memory of 3992	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	cmd.exe
PID 1880 wrote to memory of 3992	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	cmd.exe
PID 1880 wrote to memory of 3992	1880	15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe	cmd.exe
PID 3992 wrote to memory of 3932	3992	cmd.exe	PING.EXE
PID 3992 wrote to memory of 3932	3992	cmd.exe	PING.EXE
PID 3992 wrote to memory of 3932	3992	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe
"C:\Users\Admin\AppData\Local\Temp\15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a3344414adb39d6366a94d6051d2067673befee34cd973542cc17889bed738.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3932

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2424

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:2692

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:2552

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
d478a6094f10ea78ea7b2da901490c82

SHA1
e09ab6983650aa747d214951ca5e57f90c7d20c2

SHA256
e634b65f4d841ac47d53cab2ced9483bbe02ad68f3f185d35e60f90087eb2ba4

SHA512
4ceb86b3a1f704e09e348f1486ee8b71dc73615715e74a1f08ba7b6d958ae983ea7c72de7de0bb522b46855bc8333311f4ad5531086d4072db7f1619891720b5

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

MD5
d478a6094f10ea78ea7b2da901490c82

SHA1
e09ab6983650aa747d214951ca5e57f90c7d20c2

SHA256
e634b65f4d841ac47d53cab2ced9483bbe02ad68f3f185d35e60f90087eb2ba4

SHA512
4ceb86b3a1f704e09e348f1486ee8b71dc73615715e74a1f08ba7b6d958ae983ea7c72de7de0bb522b46855bc8333311f4ad5531086d4072db7f1619891720b5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads