sakula | 132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871

General

Target

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe
Size

150KB
MD5

9b4b7e27ed3269ec57261278b0507431
SHA1

e655e7f1ac4e9ff5a070ee0aa13d47dec7383da1
SHA256

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871
SHA512

01a19c1f84d15b703ada55d6518f769f2dc4bacb6921f61570d447d25a7da7a25c331bab127b8dc4035b778eac52575973b2da5af5deb92142ad82cf181911ee

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

3612 MediaCenter.exe

pid	process
3612	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:

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.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"	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	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\NormalDownloadPendingCount = "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\Config\DownloadMode_BackCompat = "1"	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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\Usage\UploadMonthlyInternetBytes = "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
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
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\Config\KVFileExpirationTime = "132892932150524195"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.394736"	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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.904621"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\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\LinkLocalConnectionCount = "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\DownlinkBps = "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\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2468 PING.EXE

pid	process
2468	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe
Token: SeBackupPrivilege	3268	TiWorker.exe
Token: SeRestorePrivilege	3268	TiWorker.exe
Token: SeSecurityPrivilege	3268	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.execmd.exe

description	pid	process	target process
PID 3004 wrote to memory of 3612	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	MediaCenter.exe
PID 3004 wrote to memory of 3612	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	MediaCenter.exe
PID 3004 wrote to memory of 3612	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	MediaCenter.exe
PID 3004 wrote to memory of 4044	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	cmd.exe
PID 3004 wrote to memory of 4044	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	cmd.exe
PID 3004 wrote to memory of 4044	3004	132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe	cmd.exe
PID 4044 wrote to memory of 2468	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 2468	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 2468	4044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe
"C:\Users\Admin\AppData\Local\Temp\132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3612

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\132357fc9f6c9ebd1a16c7158463648ded9f50260ec498c447ffeb147a690871.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2468

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2216

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:388

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:3816

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:3268

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
e5ce6fdf97f413b41d108e557b1ea008

SHA1
256d36b75e96d555ca441e466a28e99a42221b59

SHA256
7eec7e43481245f3b289aeb346f4762f50b5f6ae14eb8af5c6a2bb5e79b731f1

SHA512
13d6339a49692f7993fef151129638c2fca9e806307f60cdaec9d240271a640bb79ee9270b269f560f6052431b80fde06c4448648b1427817d8a950afea44c19

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

MD5
e5ce6fdf97f413b41d108e557b1ea008

SHA1
256d36b75e96d555ca441e466a28e99a42221b59

SHA256
7eec7e43481245f3b289aeb346f4762f50b5f6ae14eb8af5c6a2bb5e79b731f1

SHA512
13d6339a49692f7993fef151129638c2fca9e806307f60cdaec9d240271a640bb79ee9270b269f560f6052431b80fde06c4448648b1427817d8a950afea44c19

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads