sakula | 170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a

General

Target

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe
Size

150KB
MD5

afcfbdd872fb8f28797ad14d59740d78
SHA1

c3995768351de6c497865a4e2500b220e2767c7d
SHA256

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a
SHA512

32e1f87ca65a87be4eeb2956e09d926f1c5088c5f657421ce8e350b26a00688fb62572866973cdfa448542f42de29158c72435644787e01639db9a3333c09080

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

1308 MediaCenter.exe

pid	process
1308	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:

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.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"	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.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\UploadMonthlyLanBytes = "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\UplinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.211608"	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\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\SwarmCount = "1"	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\Config\DownloadMode_BackCompat = "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\CDNConnectionCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080710"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892872917500159"	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
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
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\PriorityDownloadCount = "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\UplinkUsageBps = "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\MemoryUsageKB = "4312"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3688 PING.EXE

pid	process
3688	PING.EXE

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe
Token: SeBackupPrivilege	3256	TiWorker.exe
Token: SeRestorePrivilege	3256	TiWorker.exe
Token: SeSecurityPrivilege	3256	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.execmd.exe

description	pid	process	target process
PID 3504 wrote to memory of 1308	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	MediaCenter.exe
PID 3504 wrote to memory of 1308	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	MediaCenter.exe
PID 3504 wrote to memory of 1308	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	MediaCenter.exe
PID 3504 wrote to memory of 2708	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	cmd.exe
PID 3504 wrote to memory of 2708	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	cmd.exe
PID 3504 wrote to memory of 2708	3504	170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe	cmd.exe
PID 2708 wrote to memory of 3688	2708	cmd.exe	PING.EXE
PID 2708 wrote to memory of 3688	2708	cmd.exe	PING.EXE
PID 2708 wrote to memory of 3688	2708	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe
"C:\Users\Admin\AppData\Local\Temp\170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3504

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1308

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170df436cbaae5a8e27991851b5e49d7ec86553bde7ac0131a5553c124bcac8a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2708

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3688

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2264

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:1896

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:3256

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
b84cfcf614baf05a0a7a7fec1acd5696

SHA1
c8213cde1c167ebb5aea25048cbaa47e9bd4b6a0

SHA256
8ed1235a8bf462c0247282c78ff30dd1542f66f04ce610813fe15655f44ae49b

SHA512
895a2ac5afe55ddf16e8557025ee703e6b58a6113b480e1c2df2cb764f5eefeb61117f604c8342edc7adfaf90f60db55b6e99673cac039a746666f4557effdc3

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

MD5
b84cfcf614baf05a0a7a7fec1acd5696

SHA1
c8213cde1c167ebb5aea25048cbaa47e9bd4b6a0

SHA256
8ed1235a8bf462c0247282c78ff30dd1542f66f04ce610813fe15655f44ae49b

SHA512
895a2ac5afe55ddf16e8557025ee703e6b58a6113b480e1c2df2cb764f5eefeb61117f604c8342edc7adfaf90f60db55b6e99673cac039a746666f4557effdc3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads