sakula | 0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9

General

Target

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe
Size

92KB
MD5

0d161427c84c99658d37cfbee02c221c
SHA1

8aed0a2ab6643774ba68f9c6c229ec72b4c7a4a0
SHA256

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9
SHA512

5a152c477826e7c5425377b9f0f46225589103fc24588736b0819cdad02b8f497321dc8fb33263e34b4935e4b75a5a52fb299e321b462e3011c02429b73668e1

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

60 MediaCenter.exe

pid	process
60	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:

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.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"	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthID = "2"	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\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\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "0"	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\DownlinkBps = "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\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\MonthlyUploadRestriction = "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 = "4336"	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 = "132893152427887316"	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\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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.882333"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\Settings	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\PriorityDownloadPendingCount = "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\DownlinkUsageBps = "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\CDNConnectionCount = "0"	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 = "5.208283"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\UplinkBps = "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 (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\UploadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3172 PING.EXE

pid	process
3172	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe
Token: SeBackupPrivilege	4088	TiWorker.exe
Token: SeRestorePrivilege	4088	TiWorker.exe
Token: SeSecurityPrivilege	4088	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.execmd.exe

description	pid	process	target process
PID 2592 wrote to memory of 60	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	MediaCenter.exe
PID 2592 wrote to memory of 60	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	MediaCenter.exe
PID 2592 wrote to memory of 60	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	MediaCenter.exe
PID 2592 wrote to memory of 3980	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	cmd.exe
PID 2592 wrote to memory of 3980	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	cmd.exe
PID 2592 wrote to memory of 3980	2592	0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe	cmd.exe
PID 3980 wrote to memory of 3172	3980	cmd.exe	PING.EXE
PID 3980 wrote to memory of 3172	3980	cmd.exe	PING.EXE
PID 3980 wrote to memory of 3172	3980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe
"C:\Users\Admin\AppData\Local\Temp\0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2592

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:60

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0547598a27c29994298994fadb0c8ecd6841b0a96c05cfdaa7e80c77fef18bb9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3172

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:360

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:2080

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:4088

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
8b907403665eff994827fa1df381f7c9

SHA1
2deaa2fe40b7552be0cb0b4bbe0dc6ee4d041bb2

SHA256
af24c37d4f914aafa606924bcb90c39dd5b18967ee281f32beecfbb1e41e6e3f

SHA512
5c942b0987fe9876f9cc59dbbcbbdf9f2450512a31a85c309e30e2ace1e0e6fa3442cecfbd4bfc207e728e0146dd73b762dd6146b629d1c1d94be0bd112e5fe9

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8b907403665eff994827fa1df381f7c9

SHA1
2deaa2fe40b7552be0cb0b4bbe0dc6ee4d041bb2

SHA256
af24c37d4f914aafa606924bcb90c39dd5b18967ee281f32beecfbb1e41e6e3f

SHA512
5c942b0987fe9876f9cc59dbbcbbdf9f2450512a31a85c309e30e2ace1e0e6fa3442cecfbd4bfc207e728e0146dd73b762dd6146b629d1c1d94be0bd112e5fe9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads