sakula | 0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076

General

Target

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe
Size

80KB
MD5

639edbe7f67de3354f74589096e1843f
SHA1

3d6b550e56dcdeac77e2e17ba625d5256e0b5306
SHA256

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076
SHA512

9ea79d5f242b89b9e8040f2dd2e2dfb56557619f7c5ae4ff1b66182af2d4dbfe2d6dfb047146f2bbdf3620fbcdf1689bc22a302c74adf3e26c4fd6f4b3b237de

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

644 MediaCenter.exe

pid	process
644	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:

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.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"	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.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 49 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\Config\DODownloadMode = "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\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\UplinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040584"	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\DownloadMonthlyLanBytes = "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\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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\DownloadMonthlyRateBkBps = "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\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\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\UploadCount = "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\MemoryUsageKB = "4044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\DownloadMonthlyLinkLocalBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyCacheHostBytes = "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\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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892996808524831"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.645802"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1840 PING.EXE

pid	process
1840	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe
Token: SeBackupPrivilege	1052	TiWorker.exe
Token: SeRestorePrivilege	1052	TiWorker.exe
Token: SeSecurityPrivilege	1052	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.execmd.exe

description	pid	process	target process
PID 772 wrote to memory of 644	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	MediaCenter.exe
PID 772 wrote to memory of 644	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	MediaCenter.exe
PID 772 wrote to memory of 644	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	MediaCenter.exe
PID 772 wrote to memory of 3904	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	cmd.exe
PID 772 wrote to memory of 3904	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	cmd.exe
PID 772 wrote to memory of 3904	772	0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe	cmd.exe
PID 3904 wrote to memory of 1840	3904	cmd.exe	PING.EXE
PID 3904 wrote to memory of 1840	3904	cmd.exe	PING.EXE
PID 3904 wrote to memory of 1840	3904	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe
"C:\Users\Admin\AppData\Local\Temp\0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:644

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e8c50dc088425a8ca0f75917ed26ef247e3bf648fa62a3000108e33310d1076.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1840

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:332

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:3584

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:1052

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
7fa3c5e1ba62c8e837fe43ea3c23bebf

SHA1
e0dca26446614a5aca80e494297d7c16a5ff7425

SHA256
4397498665962d4c8cfc360856695a44f075b22aabbc645b2c4bef50c0bab76f

SHA512
b8dd4a48f25c931eeff8d40d610e66f31e842b400bbd4000cf1e16112d4cee38c9b5fcd070efd293e4d782035b70ee6ac1498fb6c5dddb099bc53755c1dc2d56

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

MD5
7fa3c5e1ba62c8e837fe43ea3c23bebf

SHA1
e0dca26446614a5aca80e494297d7c16a5ff7425

SHA256
4397498665962d4c8cfc360856695a44f075b22aabbc645b2c4bef50c0bab76f

SHA512
b8dd4a48f25c931eeff8d40d610e66f31e842b400bbd4000cf1e16112d4cee38c9b5fcd070efd293e4d782035b70ee6ac1498fb6c5dddb099bc53755c1dc2d56

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads