sakula | 141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4

General

Target

141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe
Size

99KB
MD5

3a0aa587d01a0ff3ef9454b5bc6cfc6a
SHA1

9ef07390c454870f6b66560a98da341407f17ff9
SHA256

141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4
SHA512

5bc1748ba057705cd012a0122c3a401fedd9c175ed83d601e75b9f63a61184f6bc0f502ae05072beedcd300c50a44531fe8572a4112107e0b1c69683c0e414b0

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

1352 MediaCenter.exe

pid	process
1352	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:

141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.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"	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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\PriorityDownloadCount = "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\Config\KVFileExpirationTime = "132892917335396551"	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\UplinkBps = "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
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 = "0.519286"	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 (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\Usage\CPUpct = "0.000000"	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\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.909122"	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\MonthID = "2"	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
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\MemoryUsageKB = "4244"	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\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\Usage\PeerInfoCount = "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\UploadRatePct = "100"	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\PriorityDownloadPendingCount = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260"	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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3164 PING.EXE

pid	process
3164	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe

description	pid	process
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe
Token: SeBackupPrivilege	3944	TiWorker.exe
Token: SeRestorePrivilege	3944	TiWorker.exe
Token: SeSecurityPrivilege	3944	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.execmd.exe

description	pid	process	target process
PID 3624 wrote to memory of 1352	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	MediaCenter.exe
PID 3624 wrote to memory of 1352	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	MediaCenter.exe
PID 3624 wrote to memory of 1352	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	MediaCenter.exe
PID 3624 wrote to memory of 3464	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	cmd.exe
PID 3624 wrote to memory of 3464	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	cmd.exe
PID 3624 wrote to memory of 3464	3624	141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe	cmd.exe
PID 3464 wrote to memory of 3164	3464	cmd.exe	PING.EXE
PID 3464 wrote to memory of 3164	3464	cmd.exe	PING.EXE
PID 3464 wrote to memory of 3164	3464	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe
"C:\Users\Admin\AppData\Local\Temp\141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1352

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\141ada21823f4bbad4562bf0b27dcaadc7907aa5842b2cf3e72683d1b29e3de4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3464

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3164

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3120

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:3224

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:3944

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b8b1cc3716c9a2f198f47ec5ee220430

SHA1
b2623581c763a14ea223bdb919734651ac82f85a

SHA256
d938c2436f1656724332196d2f0cc1918d9885563a85dc622a3a0e7071143247

SHA512
b94009a5073d850e2f05f1c9c17c365a29a89df709d86b53a527d8cdfe7c32ef0b88673ec9df25b1a425622f7bfde04319f2fb764c923a6941a349017f1ffded

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

MD5
b8b1cc3716c9a2f198f47ec5ee220430

SHA1
b2623581c763a14ea223bdb919734651ac82f85a

SHA256
d938c2436f1656724332196d2f0cc1918d9885563a85dc622a3a0e7071143247

SHA512
b94009a5073d850e2f05f1c9c17c365a29a89df709d86b53a527d8cdfe7c32ef0b88673ec9df25b1a425622f7bfde04319f2fb764c923a6941a349017f1ffded

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads