sakula | 13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484

General

Target

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe
Size

80KB
MD5

2d40183d16f8f9a42a5aace1e1372285
SHA1

0576f795a71793358bb672e66989baca445b6de8
SHA256

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484
SHA512

00a3094346c027cab91c78b9e367bbabec46311c8e126e3dd766d1ba50dab2d3a8c087a18c8f548fd2ebe9f20e2e5d9fbdafa131f6b19661c36d91de62393957

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

4012 MediaCenter.exe

pid	process
4012	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:

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.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"	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\CDNConnectionCount = "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\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\UploadRatePct = "100"	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
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\NormalDownloadCount = "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\UplinkBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892921746427375"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.528083"	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\LANConnectionCount = "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\InternetConnectionCount = "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\UplinkUsageBps = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyLinkLocalBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2908 PING.EXE

pid	process
2908	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe
Token: SeBackupPrivilege	2432	TiWorker.exe
Token: SeRestorePrivilege	2432	TiWorker.exe
Token: SeSecurityPrivilege	2432	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.execmd.exe

description	pid	process	target process
PID 3096 wrote to memory of 4012	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	MediaCenter.exe
PID 3096 wrote to memory of 4012	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	MediaCenter.exe
PID 3096 wrote to memory of 4012	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	MediaCenter.exe
PID 3096 wrote to memory of 2136	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	cmd.exe
PID 3096 wrote to memory of 2136	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	cmd.exe
PID 3096 wrote to memory of 2136	3096	13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe	cmd.exe
PID 2136 wrote to memory of 2908	2136	cmd.exe	PING.EXE
PID 2136 wrote to memory of 2908	2136	cmd.exe	PING.EXE
PID 2136 wrote to memory of 2908	2136	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe
"C:\Users\Admin\AppData\Local\Temp\13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13e396a76601875520b1b463d9f1809fc8711e22b9870107952589ce2c570484.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2136

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2908

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1468

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:2492

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:2432

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
1d8675446874d85b9e4a05faf4f18324

SHA1
a596cc8d6e74697cd811974dd90fc8ef3725b17f

SHA256
336e4f22c7791fb3b6c99b2c2fcc750c580a2304bd2a5990d39a2279514aa6f3

SHA512
04121789c3ee0897052cde48ef79c9e3211bedfebdbc09948a138e3ddc8ec31b88272ed650fc48dea98095fff4e4143c6c45bedde6cac169583d4737f8cf323d

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

MD5
1d8675446874d85b9e4a05faf4f18324

SHA1
a596cc8d6e74697cd811974dd90fc8ef3725b17f

SHA256
336e4f22c7791fb3b6c99b2c2fcc750c580a2304bd2a5990d39a2279514aa6f3

SHA512
04121789c3ee0897052cde48ef79c9e3211bedfebdbc09948a138e3ddc8ec31b88272ed650fc48dea98095fff4e4143c6c45bedde6cac169583d4737f8cf323d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads