sakula | 121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9

General

Target

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe
Size

150KB
MD5

b33a575c99dad12681726c2bf56e2e55
SHA1

c09cfc39cf11587a6a9f6c97d7a20438522707e5
SHA256

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9
SHA512

9bfa612a67ddb58dbf789031937385786beba6d0ad6effb2201a79b55f5efa9c50386ca228f1a3d1e82047d044445d04f76c8da29533eb3f1013c314f1493a90

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

1288 MediaCenter.exe

pid	process
1288	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:

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.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"	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.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 48 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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892945014818597"	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\UplinkBps = "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\NormalDownloadPendingCount = "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\Usage\DownloadMonthlyGroupBytes = "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\UploadCount = "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\Usage\UploadMonthlyLanBytes = "0"	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\DownlinkUsageBps = "0"	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\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 (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\UploadRatePct = "100"	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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.482228"	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\DownloadMonthlyCdnBytes = "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\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\MemoryUsageKB = "4104"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMode_BackCompat = "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\DownloadMonthlyLanBytes = "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\SwarmCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	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\Settings	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\CDNConnectionCount = "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

1676 PING.EXE

pid	process
1676	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.execmd.exe

description	pid	process	target process
PID 3468 wrote to memory of 1288	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	MediaCenter.exe
PID 3468 wrote to memory of 1288	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	MediaCenter.exe
PID 3468 wrote to memory of 1288	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	MediaCenter.exe
PID 3468 wrote to memory of 1612	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	cmd.exe
PID 3468 wrote to memory of 1612	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	cmd.exe
PID 3468 wrote to memory of 1612	3468	121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe	cmd.exe
PID 1612 wrote to memory of 1676	1612	cmd.exe	PING.EXE
PID 1612 wrote to memory of 1676	1612	cmd.exe	PING.EXE
PID 1612 wrote to memory of 1676	1612	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe
"C:\Users\Admin\AppData\Local\Temp\121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3468

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\121e21acaa3d766cbf492e64fca1aa7ed2ead9969fdb47a2c1680ab75cdd5aa9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1676

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3080

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:3552

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:3452

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
04328fbcdd280edb5dc84c4f89adc5d9

SHA1
d1b94fc48779826bdfc072b2a002394170e88510

SHA256
87e7c33361fae125e1013a422290573067fb7483b7c517cb6a33fba0d93117a9

SHA512
80f9cc48634b3b7c86046bcb6ce93ed33b70bfed882e9f31779d7c1fd6b3fe02c52598c698b578214227a5f52019823af19b19aed783b82bde93b92e1f199961

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

MD5
04328fbcdd280edb5dc84c4f89adc5d9

SHA1
d1b94fc48779826bdfc072b2a002394170e88510

SHA256
87e7c33361fae125e1013a422290573067fb7483b7c517cb6a33fba0d93117a9

SHA512
80f9cc48634b3b7c86046bcb6ce93ed33b70bfed882e9f31779d7c1fd6b3fe02c52598c698b578214227a5f52019823af19b19aed783b82bde93b92e1f199961

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads