sakula | 099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390

General

Target

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe
Size

150KB
MD5

38f61730148180d53abcb15c1f7d0a3a
SHA1

4fbcf95203134e74d658184c6fd627f13e1607ed
SHA256

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390
SHA512

9f6d38c317fec47e2bca9cca8cc0df66476f71113853d3961e82201acd11a4c6f296d68f493992d2fa6ba2e7b8703de06b64b208a9de09d100d2a59d49d9c2cc

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

3544 MediaCenter.exe

pid	process
3544	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:

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.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"	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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\CacheSizeBytes = "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\MemoryUsageKB = "4308"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyCacheHostBytes = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000319"	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\DownloadMonthlyRateFrBps = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.272555"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.000051"	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\LANConnectionCount = "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\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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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\Config\KVFileExpirationTime = "132893086469081237"	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\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\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\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\Config\DownloadMode_BackCompat = "1"	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\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\MonthID = "2"	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\FrDownloadRatePct = "90"	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\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4008 PING.EXE

pid	process
4008	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe
Token: SeBackupPrivilege	456	TiWorker.exe
Token: SeRestorePrivilege	456	TiWorker.exe
Token: SeSecurityPrivilege	456	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.execmd.exe

description	pid	process	target process
PID 3812 wrote to memory of 3544	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	MediaCenter.exe
PID 3812 wrote to memory of 3544	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	MediaCenter.exe
PID 3812 wrote to memory of 3544	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	MediaCenter.exe
PID 3812 wrote to memory of 2876	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	cmd.exe
PID 3812 wrote to memory of 2876	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	cmd.exe
PID 3812 wrote to memory of 2876	3812	099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe	cmd.exe
PID 2876 wrote to memory of 4008	2876	cmd.exe	PING.EXE
PID 2876 wrote to memory of 4008	2876	cmd.exe	PING.EXE
PID 2876 wrote to memory of 4008	2876	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe
"C:\Users\Admin\AppData\Local\Temp\099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\099c8dee19f5d24a9357d25727ae8977233cc1755a4293dcc5bfc92d04d46390.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2876

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4008

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3744

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:1520

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:456

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
b5c5b8412e0bc2489d02f1e4e215819b

SHA1
268d65d1556a8e281911ec717eeb0d7a82e826ea

SHA256
9eb6fbb371bdecfc6bd2935928d045250bc22b0fdf664a6e05983c69d337cbca

SHA512
577b78216c85c4eb5284336c5d0d4435d85dbb31b7d15811b51df7cd497b948c639af0ae0b1facee63f20215d494c249d0ef9a8a726feabbd172c2e0c3c5e03f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b5c5b8412e0bc2489d02f1e4e215819b

SHA1
268d65d1556a8e281911ec717eeb0d7a82e826ea

SHA256
9eb6fbb371bdecfc6bd2935928d045250bc22b0fdf664a6e05983c69d337cbca

SHA512
577b78216c85c4eb5284336c5d0d4435d85dbb31b7d15811b51df7cd497b948c639af0ae0b1facee63f20215d494c249d0ef9a8a726feabbd172c2e0c3c5e03f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads