sakula | 170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73

General

Target

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe
Size

216KB
MD5

7178e549edce3e0db5cebd548ba816c7
SHA1

cf006c4ab4d680cd1eb11333fd4c44998b6ad2f7
SHA256

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73
SHA512

d499198515d02e6509078553dec7c7c3c855a2f74b4dd8bbd7d4c71bc0e54071c470819cc493206ce14328f712ba448e4e0cf93da7af8f3dfdecda762e4d224f

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 3 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
behavioral2/memory/3940-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3240 MediaCenter.exe

pid	process
3240	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:

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.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"	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	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\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\DownloadMonthlyRateFrBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.980429"	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\CacheSizeBytes = "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\MemoryUsageKB = "4088"	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\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\MemoryUsageKB = "4296"	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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892873431337360"	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\DownlinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\MonthlyUploadRestriction = "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\DownloadMode_BackCompat = "1"	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\PeerInfoCount = "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\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 (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\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\InternetConnectionCount = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.826436"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.442318"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3484 PING.EXE

pid	process
3484	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe
Token: SeBackupPrivilege	2084	TiWorker.exe
Token: SeRestorePrivilege	2084	TiWorker.exe
Token: SeSecurityPrivilege	2084	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.execmd.exe

description	pid	process	target process
PID 3940 wrote to memory of 3240	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	MediaCenter.exe
PID 3940 wrote to memory of 3240	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	MediaCenter.exe
PID 3940 wrote to memory of 3240	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	MediaCenter.exe
PID 3940 wrote to memory of 2596	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	cmd.exe
PID 3940 wrote to memory of 2596	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	cmd.exe
PID 3940 wrote to memory of 2596	3940	170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe	cmd.exe
PID 2596 wrote to memory of 3484	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 3484	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 3484	2596	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe
"C:\Users\Admin\AppData\Local\Temp\170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.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:3240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170453b601e65d779ac685656db4c462e1e04bc4bd39087a9616838b62372d73.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3484

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3936

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:1864

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:2084

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
a69c9e3e2d5d902521bb662ddcb2c6e5

SHA1
34ef42a9e329aeb2d351e9251046e48d03a08bee

SHA256
2014e2c0e7a4f45d9b833f70181ac342d5abb7f9f4c57480a4cfa9e51b4a5bc7

SHA512
353164afcee80ac5caa41e3c0dc6ab80e811065f56288b535d43b8011bf1fd8c11ee87625e8ade9266d7aeeca4f1bfc535e9d2961b714788597550ecb64bf580

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

MD5
a69c9e3e2d5d902521bb662ddcb2c6e5

SHA1
34ef42a9e329aeb2d351e9251046e48d03a08bee

SHA256
2014e2c0e7a4f45d9b833f70181ac342d5abb7f9f4c57480a4cfa9e51b4a5bc7

SHA512
353164afcee80ac5caa41e3c0dc6ab80e811065f56288b535d43b8011bf1fd8c11ee87625e8ade9266d7aeeca4f1bfc535e9d2961b714788597550ecb64bf580

Download Submit
memory/3940-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads