sakula | 0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8

General

Target

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe
Size

191KB
MD5

8863dcaa645cd6d22f5bc9b7cb9421b4
SHA1

de4e85edea2992b4b458fe0d3a07d871d479508b
SHA256

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8
SHA512

105ec1f4fb00df9aed1655b8415c1c8e093e26e8d1a82353727780be710c5888ee5322bf1087d856781bd373912d4a509e91f11c567ecb0b435bd7320a683f13

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

676 MediaCenter.exe

pid	process
676	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:

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.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"	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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 (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\DownloadMonthlyRateBkBps = "0"	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\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 (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\GroupConnectionCount = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.851821"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadCount = "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\SwarmCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893035808645412"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.291546"	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\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\MonthID = "2"	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
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\MemoryUsageKB = "4156"	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\LinkLocalConnectionCount = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3192 PING.EXE

pid	process
3192	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe
Token: SeBackupPrivilege	216	TiWorker.exe
Token: SeRestorePrivilege	216	TiWorker.exe
Token: SeSecurityPrivilege	216	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.execmd.exe

description	pid	process	target process
PID 2528 wrote to memory of 676	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	MediaCenter.exe
PID 2528 wrote to memory of 676	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	MediaCenter.exe
PID 2528 wrote to memory of 676	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	MediaCenter.exe
PID 2528 wrote to memory of 3156	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	cmd.exe
PID 2528 wrote to memory of 3156	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	cmd.exe
PID 2528 wrote to memory of 3156	2528	0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe	cmd.exe
PID 3156 wrote to memory of 3192	3156	cmd.exe	PING.EXE
PID 3156 wrote to memory of 3192	3156	cmd.exe	PING.EXE
PID 3156 wrote to memory of 3192	3156	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe
"C:\Users\Admin\AppData\Local\Temp\0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b9ff5f4077eee2cc73c2d3766613cc236bcb17d22581323c645640fc7f95fe8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3192

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2588

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:2428

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:216

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
7cc9aabe8844130d28963e6a53ea9dad

SHA1
b17b3f45d69200c5a183dae4f3e08fde8d4c1135

SHA256
584d14df7cde7da583704dfaf47245a165a2ba32b2f0cca276f8e5ba06252593

SHA512
c2993cef2fbc4209b516391eaf05ee273cba7bf9c893419e473fee7af685a1353a3e02f1ade610b45a64a3672e1beaac17e06c0cfe1cd4d2cb29fe70feaa6dd1

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

MD5
7cc9aabe8844130d28963e6a53ea9dad

SHA1
b17b3f45d69200c5a183dae4f3e08fde8d4c1135

SHA256
584d14df7cde7da583704dfaf47245a165a2ba32b2f0cca276f8e5ba06252593

SHA512
c2993cef2fbc4209b516391eaf05ee273cba7bf9c893419e473fee7af685a1353a3e02f1ade610b45a64a3672e1beaac17e06c0cfe1cd4d2cb29fe70feaa6dd1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads