sakula | 03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c

General

Target

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe
Size

150KB
MD5

504182fc577ef509bdf7d3438dc4845f
SHA1

d69dcf96bfc0fc88a77035459d5659a4a2100734
SHA256

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c
SHA512

1f88aff8a5bcf43364a1d2d2ffd41348efaa0f96a43bb55444528bf80575c3e33a352dfdc041e6d38f827263daa1439d60ab7e9d4e68e96543a3bd764c7ee63b

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

2744 MediaCenter.exe

pid	process
2744	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:

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.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"	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.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
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\MonthlyUploadRestriction = "0"	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	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 (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\GroupConnectionCount = "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\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\MonthID = "2"	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\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 (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\MemoryUsageKB = "4312"	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\DownloadMonthlyGroupBytes = "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\BkDownloadRatePct = "45"	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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.687464"	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\SwarmCount = "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\InternetConnectionCount = "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\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\CDNConnectionCount = "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 = "4112"	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\DownloadMode_BackCompat = "1"	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\CacheSizeBytes = "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\Usage\PeerInfoCount = "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\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893174106256529"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.574801"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

764 PING.EXE

pid	process
764	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe
Token: SeBackupPrivilege	3688	TiWorker.exe
Token: SeRestorePrivilege	3688	TiWorker.exe
Token: SeSecurityPrivilege	3688	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.execmd.exe

description	pid	process	target process
PID 3940 wrote to memory of 2744	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	MediaCenter.exe
PID 3940 wrote to memory of 2744	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	MediaCenter.exe
PID 3940 wrote to memory of 2744	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	MediaCenter.exe
PID 3940 wrote to memory of 988	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	cmd.exe
PID 3940 wrote to memory of 988	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	cmd.exe
PID 3940 wrote to memory of 988	3940	03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe	cmd.exe
PID 988 wrote to memory of 764	988	cmd.exe	PING.EXE
PID 988 wrote to memory of 764	988	cmd.exe	PING.EXE
PID 988 wrote to memory of 764	988	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe
"C:\Users\Admin\AppData\Local\Temp\03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03e05ab950b341677b795647ea6dd99e1cac32dc0ca38d2dd83343d526dba05c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:764

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2996

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:376

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:3688

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
c49eff5956eead6c29f7ef6471006ab5

SHA1
4f852bea1f15fff14cc925c9ecb25ebec366c617

SHA256
1649170c93741278bea85951f4b1973be566ed07cd3aa9028ebc558f9c1abfe3

SHA512
0812e8a1dbe56fe1fa27b5ddfea76316346114f49e0a06dbf7ff23836655740a946d68d74de1d2b2b934d298c086e2a06cc43378081fc70b2b6725081ee8d0b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c49eff5956eead6c29f7ef6471006ab5

SHA1
4f852bea1f15fff14cc925c9ecb25ebec366c617

SHA256
1649170c93741278bea85951f4b1973be566ed07cd3aa9028ebc558f9c1abfe3

SHA512
0812e8a1dbe56fe1fa27b5ddfea76316346114f49e0a06dbf7ff23836655740a946d68d74de1d2b2b934d298c086e2a06cc43378081fc70b2b6725081ee8d0b1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads