sakula | 13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542

General

Target

13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe
Size

216KB
MD5

b7d9e458b84d9baa70dacef07a1e3834
SHA1

aa41f121584cc837fc7d003b92255eeffe52df9f
SHA256

13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542
SHA512

14bb15b64cfd8b81e8632d88c9ba2c3c3369cdb23406aca4782466cd77cabdbfb6419b8de80558d13994fc393ba1a84b419553ded9859673578721f52e60cfa4

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 3 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
behavioral2/memory/2280-132-0x0000000000400000-0x0000000000420000-memory.dmp	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

3492 MediaCenter.exe

pid	process
3492	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:

13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.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"	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\DownloadMonthlyRateFrCnt = "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
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\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\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.873356"	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\UploadMonthlyLanBytes = "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\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 (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\MemoryUsageKB = "4112"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192"	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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.316455"	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\DownloadMonthlyLanBytes = "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\KVFileExpirationTime = "132892920032658498"	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\DownloadMonthlyRateFrBps = "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\CDNConnectionCount = "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
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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3504 PING.EXE

pid	process
3504	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe

description	pid	process
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.execmd.exe

description	pid	process	target process
PID 2280 wrote to memory of 3492	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	MediaCenter.exe
PID 2280 wrote to memory of 3492	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	MediaCenter.exe
PID 2280 wrote to memory of 3492	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	MediaCenter.exe
PID 2280 wrote to memory of 960	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	cmd.exe
PID 2280 wrote to memory of 960	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	cmd.exe
PID 2280 wrote to memory of 960	2280	13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe	cmd.exe
PID 960 wrote to memory of 3504	960	cmd.exe	PING.EXE
PID 960 wrote to memory of 3504	960	cmd.exe	PING.EXE
PID 960 wrote to memory of 3504	960	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe
"C:\Users\Admin\AppData\Local\Temp\13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3492

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13f4616bdf67878ce750b9197cb23e11faab960be4bb7709670b8526d08c0542.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3504

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3856

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:2368

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:1396

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
ecf063f46c4e3fcf6fa7bd3cce7ef348

SHA1
b1fb9dbf74ab1832144fde5e3b2e864a96589915

SHA256
9caaf3517724695f66bd873bb59a0ace5b10edaf8168811f7a59b6d3129df292

SHA512
abc21eb3bdd2c546ee168f8543af6aaa2bd41a6ac3b85e5496d00e5a2eafd6476a7d4b57823b1b63eb401c598ee7fcf957cd55897dba687daadf3897b98b435d

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

MD5
ecf063f46c4e3fcf6fa7bd3cce7ef348

SHA1
b1fb9dbf74ab1832144fde5e3b2e864a96589915

SHA256
9caaf3517724695f66bd873bb59a0ace5b10edaf8168811f7a59b6d3129df292

SHA512
abc21eb3bdd2c546ee168f8543af6aaa2bd41a6ac3b85e5496d00e5a2eafd6476a7d4b57823b1b63eb401c598ee7fcf957cd55897dba687daadf3897b98b435d

Download Submit
memory/2280-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads