sakula | 0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746

General

Target

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
Size

80KB
MD5

7a8a2755f9771d25c4f8e83b64b17a5b
SHA1

5f08c357367c597ce50227de03d8249722b3482f
SHA256

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746
SHA512

658fc9fff1af1baeb1e2c29aac6413e55be8d33072e19ef5b3b3b069c1f37375c2974a825d16dd6818d534a4f04d098a19b67214a6e8f0c259c1397f853a9eb2

Score

10^/10

sakula persistence rat 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

560 MediaCenter.exe

pid	process
560	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:

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.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"	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\SwarmCount = "1"	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\PriorityDownloadCount = "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\NormalDownloadCount = "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\LANConnectionCount = "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\CacheSizeBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.034989"	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\UploadMonthlyLanBytes = "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\DownloadMode_BackCompat = "1"	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\GroupConnectionCount = "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\MonthlyUploadRestriction = "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 = "4280"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039216"	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\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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	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
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\DownloadMonthlyRateFrBps = "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\DownlinkUsageBps = "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 = "7.812676"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	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\MemoryUsageKB = "4296"	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\Config\KVFileExpirationTime = "132892980557203381"	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\DownlinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3480 PING.EXE

pid	process
3480	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe
Token: SeBackupPrivilege	2452	TiWorker.exe
Token: SeRestorePrivilege	2452	TiWorker.exe
Token: SeSecurityPrivilege	2452	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.execmd.exe

description	pid	process	target process
PID 1960 wrote to memory of 560	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	MediaCenter.exe
PID 1960 wrote to memory of 560	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	MediaCenter.exe
PID 1960 wrote to memory of 560	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	MediaCenter.exe
PID 1960 wrote to memory of 3768	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	cmd.exe
PID 1960 wrote to memory of 3768	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	cmd.exe
PID 1960 wrote to memory of 3768	1960	0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe	cmd.exe
PID 3768 wrote to memory of 3480	3768	cmd.exe	PING.EXE
PID 3768 wrote to memory of 3480	3768	cmd.exe	PING.EXE
PID 3768 wrote to memory of 3480	3768	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe
"C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:560

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f67b84d59836af15a1a17580993e904acd0e6327dac102ca9b03e3dea58a746.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3480

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1228

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:3460

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:2452

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
cab0d2a58eeea913bb4edcb649cfb7f6

SHA1
c5f2fa213ac03cb23542257f3ac2bb296f3f97e2

SHA256
1df6daf4f56918a58dfe2b9537a03ddbd28e49402e86b9923e3c4badf4915c56

SHA512
0bac05eed4b3231bfae435fb2bdc86cbd4755132566a0a28885d8d8081a2f8f25a4391560b815145e9f1e0071cb3165193d76fa0e8aa4daca3ccee276c846542

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

MD5
cab0d2a58eeea913bb4edcb649cfb7f6

SHA1
c5f2fa213ac03cb23542257f3ac2bb296f3f97e2

SHA256
1df6daf4f56918a58dfe2b9537a03ddbd28e49402e86b9923e3c4badf4915c56

SHA512
0bac05eed4b3231bfae435fb2bdc86cbd4755132566a0a28885d8d8081a2f8f25a4391560b815145e9f1e0071cb3165193d76fa0e8aa4daca3ccee276c846542

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads