sakula | 066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b

General

Target

066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe
Size

191KB
MD5

785dea024dfabaf66dcb0b67df2311ef
SHA1

8dc084fd3883c1455d186d3af42cff9f9eec3f91
SHA256

066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b
SHA512

3c6fdad7fe4e63e831de7b0bf2699afc5e490a402597666885911da21bae7cb79a47f2fdda00ea1b529fc84341337f5a4132f6acf40f422f396597747349e549

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

2220 MediaCenter.exe

pid	process
2220	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:

066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.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"	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893135351116562"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.504349"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.974026"	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\UploadCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.335672"	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\CDNConnectionCount = "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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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 (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\DownloadMonthlyLanBytes = "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\UploadMonthlyInternetBytes = "0"	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\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
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\UplinkUsageBps = "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\Usage\UplinkBps = "0"	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 = "0.013488"	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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3884"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3956 PING.EXE

pid	process
3956	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.execmd.exe

description	pid	process	target process
PID 1308 wrote to memory of 2220	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	MediaCenter.exe
PID 1308 wrote to memory of 2220	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	MediaCenter.exe
PID 1308 wrote to memory of 2220	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	MediaCenter.exe
PID 1308 wrote to memory of 824	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	cmd.exe
PID 1308 wrote to memory of 824	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	cmd.exe
PID 1308 wrote to memory of 824	1308	066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe	cmd.exe
PID 824 wrote to memory of 3956	824	cmd.exe	PING.EXE
PID 824 wrote to memory of 3956	824	cmd.exe	PING.EXE
PID 824 wrote to memory of 3956	824	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe
"C:\Users\Admin\AppData\Local\Temp\066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1308

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\066908dfdb3ae68c732620083f81588160983350b41180675335e8f9b26b857b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:824

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3956

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3304

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:1412

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:2616

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
7a74167ac75051181b26c3712edf523c

SHA1
d4122c385b8b0468c83343a853991e7785a9d374

SHA256
30a6a0264befc8a830cbb1238f45d559297eaa0e94da0fdb00604e3b68a6a358

SHA512
bce7163ce8aaba9a6f0bb8fe178dfbe1384f10aeb1fc51e8c07fa1b4a40574e450db91775d3d421261c8be4d055c9edf9b4ece3ca80cce6a66a005310bddbb56

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
7a74167ac75051181b26c3712edf523c

SHA1
d4122c385b8b0468c83343a853991e7785a9d374

SHA256
30a6a0264befc8a830cbb1238f45d559297eaa0e94da0fdb00604e3b68a6a358

SHA512
bce7163ce8aaba9a6f0bb8fe178dfbe1384f10aeb1fc51e8c07fa1b4a40574e450db91775d3d421261c8be4d055c9edf9b4ece3ca80cce6a66a005310bddbb56

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads