sakula | 10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999

General

Target

10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe
Size

58KB
MD5

be1e2bb54c891eb8ad7527a089aa591d
SHA1

69e1343b141f6466a2c7195bf7153d25a28b167e
SHA256

10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999
SHA512

767f102ce1b80dc18548549ef65e7a5d1f591d21d11f0c08728184f1c5645ce1101e1a64df06e685a8e73f98cf676e1a7c064fdc7e0b29414605df7681cff9fa

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

972 MediaCenter.exe

pid	process
972	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:

10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.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"	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.028249"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownlinkUsageBps = "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\PeerInfoCount = "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
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\DownloadMonthlyRateFrCnt = "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 = "132892959345041894"	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\CDNConnectionCount = "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\NormalDownloadPendingCount = "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 (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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\UploadMonthlyLanBytes = "0"	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\LANConnectionCount = "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\CacheSizeBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080192"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384"	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\DownloadMonthlyGroupBytes = "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\InternetConnectionCount = "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\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\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.240780"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368"	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\SwarmCount = "1"	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

2500 PING.EXE

pid	process
2500	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe

description	pid	process
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.execmd.exe

description	pid	process	target process
PID 3940 wrote to memory of 972	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	MediaCenter.exe
PID 3940 wrote to memory of 972	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	MediaCenter.exe
PID 3940 wrote to memory of 972	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	MediaCenter.exe
PID 3940 wrote to memory of 208	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	cmd.exe
PID 3940 wrote to memory of 208	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	cmd.exe
PID 3940 wrote to memory of 208	3940	10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe	cmd.exe
PID 208 wrote to memory of 2500	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 2500	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 2500	208	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe
"C:\Users\Admin\AppData\Local\Temp\10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10fb19a1e8a0e46149cfaedcd6507f6a00fb975b6808951638c875486a6fb999.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2500

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3540

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:4052

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:3296

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
effa78859e0508fde816e8df15bb625b

SHA1
62ac01224312d23b000ffad1f97a453240f46b3e

SHA256
f9db930df1ce2be041ac8d45da246e9d50ce8f5f90cf5b4635ebfbd268a4965f

SHA512
11f51239a0edafabbc18b13e498bc50589021897151669f14c9561fc75dd9d7c03f0d2c81a57628969de86c7fe0a2f504e2afb651a5591bac1c326548ca5eeaa

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

MD5
effa78859e0508fde816e8df15bb625b

SHA1
62ac01224312d23b000ffad1f97a453240f46b3e

SHA256
f9db930df1ce2be041ac8d45da246e9d50ce8f5f90cf5b4635ebfbd268a4965f

SHA512
11f51239a0edafabbc18b13e498bc50589021897151669f14c9561fc75dd9d7c03f0d2c81a57628969de86c7fe0a2f504e2afb651a5591bac1c326548ca5eeaa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads