sakula | 145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715

General

Target

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe
Size

99KB
MD5

bce00095a8858570af9799dda2429fef
SHA1

c4cb9a6fb8e18fddd33140f667293b46e349df93
SHA256

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715
SHA512

c2703e7574df1344b79c9d766919fb93660b2bb466f7ff9dbf77c39644e8d44752b5a67babd70d9828ea165a6b4f89c9af9a91c7ed51aedc1f9279673d60ed84

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

3252 MediaCenter.exe

pid	process
3252	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:

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.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"	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.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\Logs\CBS\CBS.log	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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\DownloadMonthlyRateFrBps = "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\UploadCount = "0"	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\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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.301064"	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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "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\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\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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892914522663650"	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\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "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\MonthID = "2"	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 = "0.000000"	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\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\DownlinkUsageBps = "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\DownloadMonthlyRateFrCnt = "0"	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\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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.997753"	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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2160 PING.EXE

pid	process
2160	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe
Token: SeBackupPrivilege	3756	TiWorker.exe
Token: SeRestorePrivilege	3756	TiWorker.exe
Token: SeSecurityPrivilege	3756	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.execmd.exe

description	pid	process	target process
PID 3164 wrote to memory of 3252	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	MediaCenter.exe
PID 3164 wrote to memory of 3252	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	MediaCenter.exe
PID 3164 wrote to memory of 3252	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	MediaCenter.exe
PID 3164 wrote to memory of 2644	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	cmd.exe
PID 3164 wrote to memory of 2644	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	cmd.exe
PID 3164 wrote to memory of 2644	3164	145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe	cmd.exe
PID 2644 wrote to memory of 2160	2644	cmd.exe	PING.EXE
PID 2644 wrote to memory of 2160	2644	cmd.exe	PING.EXE
PID 2644 wrote to memory of 2160	2644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe
"C:\Users\Admin\AppData\Local\Temp\145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3164

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3252

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\145a9adc39268e8edf7723e9efaeef40975b4b583aa31f833700a094e6b7b715.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2160

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1764

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:2328

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:3756

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
8f61632e44588a39ff348146af53f1e7

SHA1
faffea77f7e97b2e4ec7ebb0d9f19d7cacb953ed

SHA256
ad60273bf99457d5ade38eafa3bcc84f598b7085000cfa0ba9dbc31537db195a

SHA512
efb6aeca0b6e7e660db29b6bbc5c969ac514f0638740b03e8b4d6846eac0fa5efcb43d99b1d4bebe70fc377e1bfd097fb69295c7316c654a8e4168e34d8e33f3

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

MD5
8f61632e44588a39ff348146af53f1e7

SHA1
faffea77f7e97b2e4ec7ebb0d9f19d7cacb953ed

SHA256
ad60273bf99457d5ade38eafa3bcc84f598b7085000cfa0ba9dbc31537db195a

SHA512
efb6aeca0b6e7e660db29b6bbc5c969ac514f0638740b03e8b4d6846eac0fa5efcb43d99b1d4bebe70fc377e1bfd097fb69295c7316c654a8e4168e34d8e33f3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads