sakula | 024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe

General

Target

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe
Size

192KB
MD5

5b9a62e76d2f1a2aa045e1f1bfeff6ee
SHA1

ca612225ab4cef516e4c6862955b06ae2643965f
SHA256

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe
SHA512

38ab8caaee8eed73297b2b6575258c276d3f3dde172babe95fb8f931e56437fe0ef3db43c6f0fea07debdd56a1af4b7ab2af01e323a43a61178e762e090e9a98

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

4056 MediaCenter.exe

pid	process
4056	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:

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.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"	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\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\UploadRatePct = "100"	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\MemoryUsageKB = "4116"	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\Config\DODownloadMode = "1"	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 = "2"	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\UploadMonthlyInternetBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.999998"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893189435355109"	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\GroupConnectionCount = "0"	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\Usage\MemoryUsageKB = "4204"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.909099"	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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	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\Usage	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\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\DownlinkUsageBps = "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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1912 PING.EXE

pid	process
1912	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe
Token: SeBackupPrivilege	2956	TiWorker.exe
Token: SeRestorePrivilege	2956	TiWorker.exe
Token: SeSecurityPrivilege	2956	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.execmd.exe

description	pid	process	target process
PID 3392 wrote to memory of 4056	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	MediaCenter.exe
PID 3392 wrote to memory of 4056	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	MediaCenter.exe
PID 3392 wrote to memory of 4056	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	MediaCenter.exe
PID 3392 wrote to memory of 1792	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	cmd.exe
PID 3392 wrote to memory of 1792	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	cmd.exe
PID 3392 wrote to memory of 1792	3392	024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe	cmd.exe
PID 1792 wrote to memory of 1912	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 1912	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 1912	1792	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe
"C:\Users\Admin\AppData\Local\Temp\024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\024734eb14c35db59e383abc90f731e5b65f40330df5ca183fcb71d8d2295ffe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1912

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3180

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:4008

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:2956

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
26fa69e7c2fc8fd1cfb06df8622616e1

SHA1
134a7601d700a4a9abfa7f4494e8560cb481b716

SHA256
79b5abf950288da332b3611daed02a52f716c3a4121932a49cbdbb053cb6cd9a

SHA512
ea6b55b56166b9c02f75605781780145ad5474de892c78861474dddafec844dd2460b099f4cd8aafb0c03bbf59a8162703b25d68d8ad7d37d8cea5466dd96d95

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
26fa69e7c2fc8fd1cfb06df8622616e1

SHA1
134a7601d700a4a9abfa7f4494e8560cb481b716

SHA256
79b5abf950288da332b3611daed02a52f716c3a4121932a49cbdbb053cb6cd9a

SHA512
ea6b55b56166b9c02f75605781780145ad5474de892c78861474dddafec844dd2460b099f4cd8aafb0c03bbf59a8162703b25d68d8ad7d37d8cea5466dd96d95

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads