sakula | 134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf

General

Target

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe
Size

89KB
MD5

d0c0d9ae6bac77feddb379c8c6a175c6
SHA1

b45f96eb0af4fe29847f3b03bbc4cbfcbdfa29e5
SHA256

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf
SHA512

0996c3590dd557578437e19c61292914c7806b08d80480f9c5ac249adece7398c2762b6fcaeb6bcd25dfc9beff193f1b4407d811924d45424290fed217277584

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3756 MediaCenter.exe

pid	process
3756	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:

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.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"	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4308"	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\PriorityDownloadPendingCount = "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
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\DownlinkUsageBps = "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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132892930035724482"	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\PriorityDownloadCount = "0"	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\DownloadMonthlyInternetBytes = "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 (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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.230413"	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\UplinkUsageBps = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\CacheSizeBytes = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.246133"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\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\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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

396 PING.EXE

pid	process
396	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe
Token: SeBackupPrivilege	4052	TiWorker.exe
Token: SeRestorePrivilege	4052	TiWorker.exe
Token: SeSecurityPrivilege	4052	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.execmd.exe

description	pid	process	target process
PID 1744 wrote to memory of 3756	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	MediaCenter.exe
PID 1744 wrote to memory of 3756	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	MediaCenter.exe
PID 1744 wrote to memory of 3756	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	MediaCenter.exe
PID 1744 wrote to memory of 3892	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	cmd.exe
PID 1744 wrote to memory of 3892	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	cmd.exe
PID 1744 wrote to memory of 3892	1744	134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe	cmd.exe
PID 3892 wrote to memory of 396	3892	cmd.exe	PING.EXE
PID 3892 wrote to memory of 396	3892	cmd.exe	PING.EXE
PID 3892 wrote to memory of 396	3892	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe
"C:\Users\Admin\AppData\Local\Temp\134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3756

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\134a3572ed5f9092019c286f397773893fea25d1b14eab36ed340e89fc6ecedf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:396

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3056

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:3988

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:4052

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
0f5b296f2a5cd449c34e7bf3a5df7737

SHA1
ae36bb5892cc1b596dfccdb589ffc376f8860ea8

SHA256
f38fe77e2155b94e6827ebd0aa25a5fd5cdd59b28b50062302b67b6d098504c2

SHA512
f2374bf6062b28827ba9cf5d88eef8c72bbd14fcc70b17e70f8215c7075d99c48f40c067ae2065998594b6fcf05b8f6d2d9e6a3e107fceaf5a0c1eb10f7e1cbc

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

MD5
0f5b296f2a5cd449c34e7bf3a5df7737

SHA1
ae36bb5892cc1b596dfccdb589ffc376f8860ea8

SHA256
f38fe77e2155b94e6827ebd0aa25a5fd5cdd59b28b50062302b67b6d098504c2

SHA512
f2374bf6062b28827ba9cf5d88eef8c72bbd14fcc70b17e70f8215c7075d99c48f40c067ae2065998594b6fcf05b8f6d2d9e6a3e107fceaf5a0c1eb10f7e1cbc

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads