sakula | 10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3

General

Target

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe
Size

80KB
MD5

c3dd3be596219514085682ef5fdc583d
SHA1

b65ab4cc642793037d38169fe50181bd4b39a31e
SHA256

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3
SHA512

1e481710c2ee07b909afb08166ea789670a6985e058540c67987ec64304595a2ddc26a99097fcc60c262b6e4f4ba5450890542db0b607b3d8e5c995f15727714

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

3968 MediaCenter.exe

pid	process
3968	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:

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.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"	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\GroupConnectionCount = "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\BkDownloadRatePct = "45"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCacheHostBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.364145"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "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\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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.180833"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.021061"	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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "3972"	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\CDNConnectionCount = "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 = "4204"	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\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\UplinkBps = "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\DownloadMonthlyInternetBytes = "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\FrDownloadRatePct = "90"	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\MemoryUsageKB = "4084"	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 = "132892962906929872"	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

3040 PING.EXE

pid	process
3040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe
Token: SeBackupPrivilege	2952	TiWorker.exe
Token: SeRestorePrivilege	2952	TiWorker.exe
Token: SeSecurityPrivilege	2952	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.execmd.exe

description	pid	process	target process
PID 3724 wrote to memory of 3968	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	MediaCenter.exe
PID 3724 wrote to memory of 3968	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	MediaCenter.exe
PID 3724 wrote to memory of 3968	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	MediaCenter.exe
PID 3724 wrote to memory of 1324	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	cmd.exe
PID 3724 wrote to memory of 1324	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	cmd.exe
PID 3724 wrote to memory of 1324	3724	10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe	cmd.exe
PID 1324 wrote to memory of 3040	1324	cmd.exe	PING.EXE
PID 1324 wrote to memory of 3040	1324	cmd.exe	PING.EXE
PID 1324 wrote to memory of 3040	1324	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe
"C:\Users\Admin\AppData\Local\Temp\10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3968

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10bb471b8ff485b6bf31a04fbd4c05553b14e1117448bef24d7fb94af9d611e3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3040

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3708

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:2196

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:2952

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
bf9fe61f5dc099220301db74061a0f46

SHA1
6ff6db3f136169610fc02357059af79227fcdcd2

SHA256
7bffc4647e16a4f9ea641e59143d386474d35ce31303896338421d7065e5b1a4

SHA512
550ad1c60d6c816256bab5a2e109bbfed1aa4efaab22daed3ecb6d4d1f73f3f148c40bf1ad8f7e2f828d60d383c20f67d379e83d161d5b2f2e861280a46646eb

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

MD5
bf9fe61f5dc099220301db74061a0f46

SHA1
6ff6db3f136169610fc02357059af79227fcdcd2

SHA256
7bffc4647e16a4f9ea641e59143d386474d35ce31303896338421d7065e5b1a4

SHA512
550ad1c60d6c816256bab5a2e109bbfed1aa4efaab22daed3ecb6d4d1f73f3f148c40bf1ad8f7e2f828d60d383c20f67d379e83d161d5b2f2e861280a46646eb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads