sakula | 03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681

General

Target

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe
Size

152KB
MD5

e451b73b7efb0a1a3a731fd0ff05e471
SHA1

9d689ce2b8cc14850adfab9f147f0d7cc5b2e6da
SHA256

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681
SHA512

9d5c28d2d5ee5a7d86e1b871b64810ab7d55adc82c8f10df28e962089452a8165e5dea97f63d7dffea4f6a57cf5fbc3ce2c8bb8898dfad739d4d030cad4d60c1

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2776 MediaCenter.exe

pid	process
2776	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:

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.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"	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\MemoryUsageKB = "4308"	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\DownloadMonthlyCdnBytes = "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\NormalDownloadCount = "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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\UplinkUsageBps = "0"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.794224"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.787406"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.166251"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownlinkUsageBps = "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\MemoryUsageKB = "4136"	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\KVFileExpirationTime = "132893184774089161"	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\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\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\PriorityDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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\DownlinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2176 PING.EXE

pid	process
2176	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.execmd.exe

description	pid	process	target process
PID 332 wrote to memory of 2776	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	MediaCenter.exe
PID 332 wrote to memory of 2776	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	MediaCenter.exe
PID 332 wrote to memory of 2776	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	MediaCenter.exe
PID 332 wrote to memory of 1040	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	cmd.exe
PID 332 wrote to memory of 1040	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	cmd.exe
PID 332 wrote to memory of 1040	332	03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe	cmd.exe
PID 1040 wrote to memory of 2176	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 2176	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 2176	1040	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe
"C:\Users\Admin\AppData\Local\Temp\03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2776

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03201d71f368b6b08b07b811ef877d62b28bb962e28788068017f8289aa47681.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2176

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3456

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:1348

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:3808

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
d50b544b0e6fcb38ead88f844debe83d

SHA1
49de92773bcd74cab111e9d975645d54e9f5ef2a

SHA256
ec9fee9ee87b53aa3879cf34d32a1c0c0eab565e773034a5a68ee1b73b45d705

SHA512
979731131283cfb74cd6ed2cefa4e2e7114032c72731366b7c8ae441a9bc25213fd8857f52a8aac1b4d9c5e2da2df57efefaa35ec6d208ddfa6181f27fec72b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d50b544b0e6fcb38ead88f844debe83d

SHA1
49de92773bcd74cab111e9d975645d54e9f5ef2a

SHA256
ec9fee9ee87b53aa3879cf34d32a1c0c0eab565e773034a5a68ee1b73b45d705

SHA512
979731131283cfb74cd6ed2cefa4e2e7114032c72731366b7c8ae441a9bc25213fd8857f52a8aac1b4d9c5e2da2df57efefaa35ec6d208ddfa6181f27fec72b3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads