sakula | 059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf

General

Target

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe
Size

89KB
MD5

0a872bcec45661087fd44dabcd51f820
SHA1

e5929be30ed166730b2988f9de350f45f6d59edf
SHA256

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf
SHA512

7a96a8b06d20f058052862f0a557ddba5c3507066c7256a85bc691e118d39582e514d901ea53ccebb92c7ab4a2c828fe5028a2d0f730b7a5dd748496f60fec9d

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

2108 MediaCenter.exe

pid	process
2108	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:

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.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"	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.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 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\LANConnectionCount = "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\Config\KVFileExpirationTime = "132893147888400924"	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\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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\FrDownloadRatePct = "90"	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\UplinkBps = "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 = "2.941291"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	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\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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.494168"	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\UploadMonthlyInternetBytes = "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 (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\CDNConnectionCount = "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\DownlinkBps = "0"	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 = "4388"	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\DownloadMonthlyRateFrCnt = "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
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\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\LinkLocalConnectionCount = "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\Config	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

2252 PING.EXE

pid	process
2252	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe
Token: SeBackupPrivilege	3652	TiWorker.exe
Token: SeRestorePrivilege	3652	TiWorker.exe
Token: SeSecurityPrivilege	3652	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.execmd.exe

description	pid	process	target process
PID 3936 wrote to memory of 2108	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	MediaCenter.exe
PID 3936 wrote to memory of 2108	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	MediaCenter.exe
PID 3936 wrote to memory of 2108	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	MediaCenter.exe
PID 3936 wrote to memory of 2720	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	cmd.exe
PID 3936 wrote to memory of 2720	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	cmd.exe
PID 3936 wrote to memory of 2720	3936	059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe	cmd.exe
PID 2720 wrote to memory of 2252	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2252	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2252	2720	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe
"C:\Users\Admin\AppData\Local\Temp\059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2108

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\059bd8c35332459c2b2e512835f43986f013e5c7edcce96b8ba7012826e35dcf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2252

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:212

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:1552

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:3652

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
db4fe8b78f853e2eead8563241f6c598

SHA1
fa03f50c145f6c55974a1eb459d78d2c36b1b213

SHA256
c05c3997507a85876f1ed1e8988c2cdf51b75c43ecaf10ae3575b83cb7d7c3ad

SHA512
6d3d6bdf3f4b872bf4335d147fe65c3ec9745384d2eaa265414629f2a33947c72091a88eb54095f951614e483f74cd05a81a2da39a4e0443fcf50117cabf50bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
db4fe8b78f853e2eead8563241f6c598

SHA1
fa03f50c145f6c55974a1eb459d78d2c36b1b213

SHA256
c05c3997507a85876f1ed1e8988c2cdf51b75c43ecaf10ae3575b83cb7d7c3ad

SHA512
6d3d6bdf3f4b872bf4335d147fe65c3ec9745384d2eaa265414629f2a33947c72091a88eb54095f951614e483f74cd05a81a2da39a4e0443fcf50117cabf50bd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads