sakula | 174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a

General

Target

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe
Size

150KB
MD5

2dfc5b43a8f8bfa6df7c2de29f8433a8
SHA1

7710d32de2a3c265228f878fcc38bb375db66376
SHA256

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a
SHA512

bb2de9e25d1736da642334dc81527d18acc4251846ff83ba72ebb33fd8ae55d5248ed76808af006644f11f1db01bfc6bd982bc3144724c0ae6244f7ce882f498

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

1704 MediaCenter.exe

pid	process
1704	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:

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.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"	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.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\DownloadMonthlyCdnBytes = "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\GroupConnectionCount = "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\MemoryUsageKB = "4076"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.060314"	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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	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\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\DownloadMonthlyLinkLocalBytes = "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 (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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "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\PriorityDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\Config\KVFileExpirationTime = "132892869764449819"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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
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\InternetConnectionCount = "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\PriorityDownloadPendingCount = "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\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\LinkLocalConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260"	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\UploadMonthlyInternetBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.456312"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3380 PING.EXE

pid	process
3380	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe
Token: SeBackupPrivilege	3280	TiWorker.exe
Token: SeRestorePrivilege	3280	TiWorker.exe
Token: SeSecurityPrivilege	3280	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.execmd.exe

description	pid	process	target process
PID 3992 wrote to memory of 1704	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	MediaCenter.exe
PID 3992 wrote to memory of 1704	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	MediaCenter.exe
PID 3992 wrote to memory of 1704	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	MediaCenter.exe
PID 3992 wrote to memory of 3140	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	cmd.exe
PID 3992 wrote to memory of 3140	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	cmd.exe
PID 3992 wrote to memory of 3140	3992	174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe	cmd.exe
PID 3140 wrote to memory of 3380	3140	cmd.exe	PING.EXE
PID 3140 wrote to memory of 3380	3140	cmd.exe	PING.EXE
PID 3140 wrote to memory of 3380	3140	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe
"C:\Users\Admin\AppData\Local\Temp\174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\174eac37d9e1f78456358b693fa4e09d34c414d9ced339ec4f4fe38e3399b67a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3140

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3380

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1548

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:2556

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:3280

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
82ecd0cf7e1efdcb2905c30d002b8c01

SHA1
e7bb71cc7ef44ae407ab3cffec278f9db626c048

SHA256
e381ebf224b0273556ff8636bf074d7eb224132bf2eb04b663baed030575a201

SHA512
7811b571b03e090a6b9a0694cdeaf910e77dddc9f714b8af7999413a1286f0c2d10979c77268ef13c9fb2331d3f586f3d73124b60e70becd927f99071dd93906

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

MD5
82ecd0cf7e1efdcb2905c30d002b8c01

SHA1
e7bb71cc7ef44ae407ab3cffec278f9db626c048

SHA256
e381ebf224b0273556ff8636bf074d7eb224132bf2eb04b663baed030575a201

SHA512
7811b571b03e090a6b9a0694cdeaf910e77dddc9f714b8af7999413a1286f0c2d10979c77268ef13c9fb2331d3f586f3d73124b60e70becd927f99071dd93906

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads