sakula | 039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc

General

Target

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe
Size

192KB
MD5

929fcffbfbd19027a746c65541bf4ef3
SHA1

17feeda88fbea69abe8eee4aabbbc83687856f5c
SHA256

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc
SHA512

774022d4e4704122509622d2f547e186666f74d89c75ff917afe714f3e0468694cf0fb2e5a6c4b025c92a81f811e79802a92f0c27f27b2e7944ce6304fefe5b8

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

1792 MediaCenter.exe

pid	process
1792	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:

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.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"	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.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\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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.111275"	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\Usage	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\FrDownloadRatePct = "90"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893173270102767"	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\Config\DODownloadMode = "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\GroupConnectionCount = "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
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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.322235"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.132391"	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\LinkLocalConnectionCount = "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\UplinkBps = "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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

260 PING.EXE

pid	process
260	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe
Token: SeBackupPrivilege	1288	TiWorker.exe
Token: SeRestorePrivilege	1288	TiWorker.exe
Token: SeSecurityPrivilege	1288	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.execmd.exe

description	pid	process	target process
PID 3488 wrote to memory of 1792	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	MediaCenter.exe
PID 3488 wrote to memory of 1792	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	MediaCenter.exe
PID 3488 wrote to memory of 1792	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	MediaCenter.exe
PID 3488 wrote to memory of 3844	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	cmd.exe
PID 3488 wrote to memory of 3844	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	cmd.exe
PID 3488 wrote to memory of 3844	3488	039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe	cmd.exe
PID 3844 wrote to memory of 260	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 260	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 260	3844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe
"C:\Users\Admin\AppData\Local\Temp\039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\039685116763049fc49ae74e169cef041b2ea8b168f4596469a5eceb10441afc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:260

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3864

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:1512

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:1288

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
7ebc491ab6dd326cb4f3fb4ec94c8232

SHA1
3cb33154c4e27b22c238948138352733a753f824

SHA256
e0f39110144785990ef4980d854484e768b42c7fadc987dea9ac16cb7e443898

SHA512
e6609767d5d39eba74cc54e4151ebf032ad2e595e8a115bc2db838908ed8e8463e2985a89eb5ec701f65134d0d9ddcf34d95ff60a5d5f7899a3ce2e92ac2d308

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
7ebc491ab6dd326cb4f3fb4ec94c8232

SHA1
3cb33154c4e27b22c238948138352733a753f824

SHA256
e0f39110144785990ef4980d854484e768b42c7fadc987dea9ac16cb7e443898

SHA512
e6609767d5d39eba74cc54e4151ebf032ad2e595e8a115bc2db838908ed8e8463e2985a89eb5ec701f65134d0d9ddcf34d95ff60a5d5f7899a3ce2e92ac2d308

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads