sakula | 089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124

General

Target

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe
Size

92KB
MD5

57f355b14a2527388f82a7f585b42d47
SHA1

e2175df462bbc23f731ec8e3be28e7c72c5a49fd
SHA256

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124
SHA512

75f048f60ec0e12cd883fa7eab074d9fd178ddb9c993257919de4d80907ca66006447c4308f69d3bfd027b5185f448f6d2bc83362e867c71c57712bf9889b826

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

3456 MediaCenter.exe

pid	process
3456	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:

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.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"	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
File opened for modification	C:\Windows\WinSxS\pending.xml	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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4084"	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\CDNConnectionCount = "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\UplinkUsageBps = "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\LANConnectionCount = "0"	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 = "13.295519"	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\DownloadMonthlyLinkLocalBytes = "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 = "3.195732"	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
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
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\KVFileExpirationTime = "132893105042309813"	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\CacheSizeBytes = "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\MonthID = "1"	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\MemoryUsageKB = "4248"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\UploadMonthlyLanBytes = "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 (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\Config\DownloadMode_BackCompat = "1"	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\SwarmCount = "1"	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\DownloadMonthlyCdnBytes = "90228624"	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\LinkLocalConnectionCount = "0"	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	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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3160 PING.EXE

pid	process
3160	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe
Token: SeBackupPrivilege	1808	TiWorker.exe
Token: SeRestorePrivilege	1808	TiWorker.exe
Token: SeSecurityPrivilege	1808	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.execmd.exe

description	pid	process	target process
PID 3540 wrote to memory of 3456	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	MediaCenter.exe
PID 3540 wrote to memory of 3456	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	MediaCenter.exe
PID 3540 wrote to memory of 3456	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	MediaCenter.exe
PID 3540 wrote to memory of 3644	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	cmd.exe
PID 3540 wrote to memory of 3644	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	cmd.exe
PID 3540 wrote to memory of 3644	3540	089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe	cmd.exe
PID 3644 wrote to memory of 3160	3644	cmd.exe	PING.EXE
PID 3644 wrote to memory of 3160	3644	cmd.exe	PING.EXE
PID 3644 wrote to memory of 3160	3644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe
"C:\Users\Admin\AppData\Local\Temp\089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\089acf4bb8efdc6b163776f58a4457e580c5074e61798087c44d627e58041124.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3644

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3160

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2400

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:3720

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:1808

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
461090bca2c7f2406647e1b6ce461b03

SHA1
97bdffd13b9d42719a6925ef39101dbbed9d9cb7

SHA256
da531ef73b05213188981109f5aae31a7a24c0198b5c2193d25e325e660113ee

SHA512
3f707e6c7fc348b84a5af72b4c5166958bb6206ff4353ea00abc24f24ee3d26c5fb7e1e666a8a1b650b38e1c2b7013232917fa27ba18dae7e80f94b18e3e9ded

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
461090bca2c7f2406647e1b6ce461b03

SHA1
97bdffd13b9d42719a6925ef39101dbbed9d9cb7

SHA256
da531ef73b05213188981109f5aae31a7a24c0198b5c2193d25e325e660113ee

SHA512
3f707e6c7fc348b84a5af72b4c5166958bb6206ff4353ea00abc24f24ee3d26c5fb7e1e666a8a1b650b38e1c2b7013232917fa27ba18dae7e80f94b18e3e9ded

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads