sakula | 098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069

General

Target

098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe
Size

84KB
MD5

c03a4879f9034f79dfae3ed0772db5ac
SHA1

5c472d890f9670c592a43a72401658dc9310a2a7
SHA256

098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069
SHA512

4d28f2f5c5043222bcecb0a497e8a1098c503d09ae540fd0130203986e9594d4e5f248ded7ce39685427c314d3faf292414391c35757896098df9316ac9f9676

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 1 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3888 MediaCenter.exe

pid	process
3888	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:

098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.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"	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006584"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020"	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrCnt = "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\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 (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\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\Usage\UploadMonthlyLanBytes = "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\GroupConnectionCount = "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\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\NormalDownloadCount = "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 = "132893086438839511"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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\DownloadMonthlyGroupBytes = "0"	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 = "4.347333"	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\Settings	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\UploadMonthlyInternetBytes = "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\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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.145726"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4040 PING.EXE

pid	process
4040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe

description	pid	process
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe
Token: SeBackupPrivilege	2700	TiWorker.exe
Token: SeRestorePrivilege	2700	TiWorker.exe
Token: SeSecurityPrivilege	2700	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.execmd.exe

description	pid	process	target process
PID 2136 wrote to memory of 3888	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	MediaCenter.exe
PID 2136 wrote to memory of 3888	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	MediaCenter.exe
PID 2136 wrote to memory of 3888	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	MediaCenter.exe
PID 2136 wrote to memory of 4052	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	cmd.exe
PID 2136 wrote to memory of 4052	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	cmd.exe
PID 2136 wrote to memory of 4052	2136	098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe	cmd.exe
PID 4052 wrote to memory of 4040	4052	cmd.exe	PING.EXE
PID 4052 wrote to memory of 4040	4052	cmd.exe	PING.EXE
PID 4052 wrote to memory of 4040	4052	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2648

C:\Users\Admin\AppData\Local\Temp\098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe
"C:\Users\Admin\AppData\Local\Temp\098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\098b69163b10e0a7bba9eaf0128438b2e26e88893206e10b2e6492f97a618069.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4040

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:3728

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:2700

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
97bd21ca19b6b2662ec2ba96dca9289f

SHA1
50555c3a8e165e7a62313d6a4c869f90f29a6b72

SHA256
733dfe483545ea3be6fa16e09ddf20348c526cd7a3765f874dbc578652f63a83

SHA512
f8d506bddbfe049ac552030274ac5a632212ab9288355011e9744e29ad76084e15998a802719cc2cc93bef1714b716fd80f1af4d929496d3bcf0038252264679

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads