sakula | 16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c

General

Target

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe
Size

60KB
MD5

52e295ad59446badbf6e446255ea2d6c
SHA1

6723d0d12393c0e27227c5c3c52a89692cf1ced0
SHA256

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c
SHA512

7c00ccfb304d397736c415b562f693a79993794ca83096e8059da7948a2e753bdbed68fe82ebb43956001cd6cbb3a013c93e5f19956ba7756b18bb738f5b086e

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4056 MediaCenter.exe

pid	process
4056	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:

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.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"	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\GroupConnectionCount = "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\DownlinkBps = "0"	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\DownloadMonthlyRateBkBps = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.814672"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080256"	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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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
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\Usage	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\FrDownloadRatePct = "90"	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\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "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\UplinkBps = "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\MemoryUsageKB = "4112"	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 = "132892875640227041"	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\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\CacheSizeBytes = "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 = "1.000070"	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\UploadMonthlyInternetBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

752 PING.EXE

pid	process
752	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.execmd.exe

description	pid	process	target process
PID 1708 wrote to memory of 4056	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	MediaCenter.exe
PID 1708 wrote to memory of 4056	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	MediaCenter.exe
PID 1708 wrote to memory of 4056	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	MediaCenter.exe
PID 1708 wrote to memory of 676	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	cmd.exe
PID 1708 wrote to memory of 676	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	cmd.exe
PID 1708 wrote to memory of 676	1708	16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe	cmd.exe
PID 676 wrote to memory of 752	676	cmd.exe	PING.EXE
PID 676 wrote to memory of 752	676	cmd.exe	PING.EXE
PID 676 wrote to memory of 752	676	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe
"C:\Users\Admin\AppData\Local\Temp\16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16e6ebfa4650c6d1b7d8ca40830d3647b75473bbc53b221f9b98e3479d016b4c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:676

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:752

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3512

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:3568

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:3820

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
68a242ebb3719e092680dcceef7372bd

SHA1
ecdb709fdf0ed8b575f2de527a773bcc871c5238

SHA256
7aa6ccd392b88f1a4324a411e13dffc7aef58e0ff31d68d9d955f80a1cf92ce2

SHA512
5021f359d70cba65f8ed8931812de3673eefac9fb9d6bcbca538a44d87285834f1f743f8e5485401583eb94f35a443d2eceb3470bd4025ed5146dc320b70003f

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

MD5
68a242ebb3719e092680dcceef7372bd

SHA1
ecdb709fdf0ed8b575f2de527a773bcc871c5238

SHA256
7aa6ccd392b88f1a4324a411e13dffc7aef58e0ff31d68d9d955f80a1cf92ce2

SHA512
5021f359d70cba65f8ed8931812de3673eefac9fb9d6bcbca538a44d87285834f1f743f8e5485401583eb94f35a443d2eceb3470bd4025ed5146dc320b70003f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads