sakula | 0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f

General

Target

0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe
Size

99KB
MD5

4dad5f74d253677c2e8b7889304e269c
SHA1

9f948089d0264ba62e732b8cbfa4a66d8ac936c0
SHA256

0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f
SHA512

6711fbed56eeb729f1190e0403f05c87cecc0dad96e703a035c72696abb3ed9871ddc6298de2f43c821e9174e6a99428e335f5f8652c73efd965e97d644ebefb

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

868 MediaCenter.exe

pid	process
868	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:

0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.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"	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.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\CacheSizeBytes = "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\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\Config\DownloadMode_BackCompat = "1"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyGroupBytes = "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\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 (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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4312"	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\PeerInfoCount = "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\MemoryUsageKB = "4080"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.882676"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893025678058643"	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\NormalDownloadCount = "0"	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\Usage\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.468769"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.985035"	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\InternetConnectionCount = "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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1812 PING.EXE

pid	process
1812	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe

description	pid	process
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.execmd.exe

description	pid	process	target process
PID 3812 wrote to memory of 868	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	MediaCenter.exe
PID 3812 wrote to memory of 868	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	MediaCenter.exe
PID 3812 wrote to memory of 868	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	MediaCenter.exe
PID 3812 wrote to memory of 3040	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	cmd.exe
PID 3812 wrote to memory of 3040	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	cmd.exe
PID 3812 wrote to memory of 3040	3812	0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe	cmd.exe
PID 3040 wrote to memory of 1812	3040	cmd.exe	PING.EXE
PID 3040 wrote to memory of 1812	3040	cmd.exe	PING.EXE
PID 3040 wrote to memory of 1812	3040	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe
"C:\Users\Admin\AppData\Local\Temp\0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:868

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c774998b617fb4b93a1c6668b458f23a3563129ffd528a91c331d362898680f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1812

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2308

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:880

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:3692

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
535af1e60cdd1371424fb5877ad08287

SHA1
74a5fbc5f361044514fd792b0b9a89c9fab6c47e

SHA256
98c4327d5fce81f0af995456bcd3fd45ef68b6ee4911ad946fa4001f001c3593

SHA512
92ed99c23094f2862e757d927dcf1a7e8e3b6cb41b12cc4fc9de6c53577fd2fec48dcb6f3747586fd9eb7148255be404248b4366b40e3cd81f58827be6bb659c

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

MD5
535af1e60cdd1371424fb5877ad08287

SHA1
74a5fbc5f361044514fd792b0b9a89c9fab6c47e

SHA256
98c4327d5fce81f0af995456bcd3fd45ef68b6ee4911ad946fa4001f001c3593

SHA512
92ed99c23094f2862e757d927dcf1a7e8e3b6cb41b12cc4fc9de6c53577fd2fec48dcb6f3747586fd9eb7148255be404248b4366b40e3cd81f58827be6bb659c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads