sakula | 15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f

General

Target

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe
Size

101KB
MD5

45f7ae75285860bdf287a4aff7fa4eef
SHA1

2110001e2057213a5493d270197d80329ee917f7
SHA256

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f
SHA512

f47d9bcf5a45927ea03098d86dea791ecb8ad9002dcc786909f67ba7bcbb001c8b62a817ff69fed0f05f63cc66bfa1217f4363af5a0729784aec970926ce6e3c

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

1492 MediaCenter.exe

pid	process
1492	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:

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.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"	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.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\SwarmCount = "1"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.615246"	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\UploadMonthlyLanBytes = "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\UplinkBps = "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\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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\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 (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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLinkLocalBytes = "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\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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4272"	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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4108"	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\CacheSizeBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892905548328858"	svchost.exe
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 = "4.762214"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4020 PING.EXE

pid	process
4020	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.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:

15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.execmd.exe

description	pid	process	target process
PID 3324 wrote to memory of 1492	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	MediaCenter.exe
PID 3324 wrote to memory of 1492	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	MediaCenter.exe
PID 3324 wrote to memory of 1492	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	MediaCenter.exe
PID 3324 wrote to memory of 3456	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	cmd.exe
PID 3324 wrote to memory of 3456	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	cmd.exe
PID 3324 wrote to memory of 3456	3324	15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe	cmd.exe
PID 3456 wrote to memory of 4020	3456	cmd.exe	PING.EXE
PID 3456 wrote to memory of 4020	3456	cmd.exe	PING.EXE
PID 3456 wrote to memory of 4020	3456	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe
"C:\Users\Admin\AppData\Local\Temp\15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3324

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1492

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15290561b5e2b4aeb5fc40d42ef33c2ed8972da1c7490e822b804c8fabee5a6f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3456

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4020

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3016

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:3700

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
daf502f671a5792f188a2ab087a085b9

SHA1
2c817600bedb876971ac3996470e72193c14a822

SHA256
d0bb389efd648c75c1071bc401823ebac06ec9748a7ef7ab7253df750a131691

SHA512
7c0ed37b7fc3700e45a9abd6bdf89eaef4af6caaec8a4002a3722a816677849afa5f0f22a1f382a59430b0a2993f00994eb570f097d174b9cbaa269c890c4efb

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

MD5
daf502f671a5792f188a2ab087a085b9

SHA1
2c817600bedb876971ac3996470e72193c14a822

SHA256
d0bb389efd648c75c1071bc401823ebac06ec9748a7ef7ab7253df750a131691

SHA512
7c0ed37b7fc3700e45a9abd6bdf89eaef4af6caaec8a4002a3722a816677849afa5f0f22a1f382a59430b0a2993f00994eb570f097d174b9cbaa269c890c4efb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads