sakula | 120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395

General

Target

120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe
Size

191KB
MD5

23b70376b13f430b89cf92516dbbe370
SHA1

dbaad0e37ad32fb4f6303decd461d01b2f1e21cc
SHA256

120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395
SHA512

f791edfd39a4327fffd09dbc8a15a97c4aac5011f33f7b891f01dd7a809de82fe393180d11b858dc085ff46a877b4cc5c4ab6c65a1f499518e0813924e284b61

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

3100 MediaCenter.exe

pid	process
3100	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:

120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.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"	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.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 49 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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\UploadMonthlyLanBytes = "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 (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\InternetConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateBkBps = "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\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\UploadCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrCnt = "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\Usage\CPUpct = "0.031611"	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\Config\KVFileExpirationTime = "132892945043791389"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkBps = "0"	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 = "5.769098"	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\DownloadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3356 PING.EXE

pid	process
3356	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe

description	pid	process
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe
Token: SeBackupPrivilege	3732	TiWorker.exe
Token: SeRestorePrivilege	3732	TiWorker.exe
Token: SeSecurityPrivilege	3732	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.execmd.exe

description	pid	process	target process
PID 2764 wrote to memory of 3100	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	MediaCenter.exe
PID 2764 wrote to memory of 3100	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	MediaCenter.exe
PID 2764 wrote to memory of 3100	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	MediaCenter.exe
PID 2764 wrote to memory of 484	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	cmd.exe
PID 2764 wrote to memory of 484	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	cmd.exe
PID 2764 wrote to memory of 484	2764	120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe	cmd.exe
PID 484 wrote to memory of 3356	484	cmd.exe	PING.EXE
PID 484 wrote to memory of 3356	484	cmd.exe	PING.EXE
PID 484 wrote to memory of 3356	484	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe
"C:\Users\Admin\AppData\Local\Temp\120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\120c2d7d25f9206b7a299efef8f1799301bb333c61aab6b6c40a68f5e5031395.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:484

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3356

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3708

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:544

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:3732

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
5533707f4e61745e242d96b094977e84

SHA1
07cb1fe17296a226f33a1ae9dbbdf9fa28d8c58b

SHA256
0aaa1bacf4bfb76c527f4ef73be358dde9f48c4e42dcaaca558aa53e35a60d11

SHA512
a76e2e954c2b997ccc5f0d65443057b5341824789f9fbc30d40521f3108e6099beb8ae428cfe44cc568ac12088f143be7e9934e537638a3d6f857b43745f184f

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

MD5
5533707f4e61745e242d96b094977e84

SHA1
07cb1fe17296a226f33a1ae9dbbdf9fa28d8c58b

SHA256
0aaa1bacf4bfb76c527f4ef73be358dde9f48c4e42dcaaca558aa53e35a60d11

SHA512
a76e2e954c2b997ccc5f0d65443057b5341824789f9fbc30d40521f3108e6099beb8ae428cfe44cc568ac12088f143be7e9934e537638a3d6f857b43745f184f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads