sakula | 06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f

General

Target

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe
Size

80KB
MD5

45decf862b314ee7eed53e2904a7cb32
SHA1

c62d4f02b5618d9b6cdf698c7114993427de1f90
SHA256

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f
SHA512

bc5ca4603e139add62c0047c4bd6915ebcd32bd6be8909e282be2b75a3a8d08b7d1134e82b383ca202fd5a31c974233fbf72ac19b191bde526686f2787156a67

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

4000 MediaCenter.exe

pid	process
4000	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:

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.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"	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\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\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 (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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.321005"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\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 (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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.619395"	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\KVFileExpirationTime = "132893130525746272"	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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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\DODownloadMode = "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\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\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.852226"	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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2432 PING.EXE

pid	process
2432	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe
Token: SeBackupPrivilege	2968	TiWorker.exe
Token: SeRestorePrivilege	2968	TiWorker.exe
Token: SeSecurityPrivilege	2968	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.execmd.exe

description	pid	process	target process
PID 1816 wrote to memory of 4000	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	MediaCenter.exe
PID 1816 wrote to memory of 4000	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	MediaCenter.exe
PID 1816 wrote to memory of 4000	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	MediaCenter.exe
PID 1816 wrote to memory of 2332	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	cmd.exe
PID 1816 wrote to memory of 2332	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	cmd.exe
PID 1816 wrote to memory of 2332	1816	06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe	cmd.exe
PID 2332 wrote to memory of 2432	2332	cmd.exe	PING.EXE
PID 2332 wrote to memory of 2432	2332	cmd.exe	PING.EXE
PID 2332 wrote to memory of 2432	2332	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe
"C:\Users\Admin\AppData\Local\Temp\06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06fe2785128d81f1b0fd477e90e43c21fe53006c018443a78195b71bf013010f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2332

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2432

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3964

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:3412

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:2968

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
8952ec1c2830a0330bb302d75484b24f

SHA1
a8360148a4c9c8a31cfd3a8c5eca6b5b3aaaf1f0

SHA256
2892170f803115e663f6ae5f17bee9a477036e44f717c8f23292a97628a7cc53

SHA512
e8a2d47a6de463cb82b755c163c1bb042725727bee43d5065ecf779551b9698ff9e7d355292b072211c62e5dd5a3b5f2322093bfd884f437f30c8e2812613b8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8952ec1c2830a0330bb302d75484b24f

SHA1
a8360148a4c9c8a31cfd3a8c5eca6b5b3aaaf1f0

SHA256
2892170f803115e663f6ae5f17bee9a477036e44f717c8f23292a97628a7cc53

SHA512
e8a2d47a6de463cb82b755c163c1bb042725727bee43d5065ecf779551b9698ff9e7d355292b072211c62e5dd5a3b5f2322093bfd884f437f30c8e2812613b8c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads