sakula | 079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c

General

Target

079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe
Size

35KB
MD5

5efb42b9fdebeea249c1b3f5201f482e
SHA1

ef1a925efbf5eb46fa5255ddd64a032bba58ed0c
SHA256

079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c
SHA512

3e71c3574b36902959f98b1addffe94b64066f28b062cb0973f1b307982295842b4f1c4afe581055bc5ec4ec7c75b2d8a264eed84d4a2f1d458f80251af37faf

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

3316 MediaCenter.exe

pid	process
3316	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:

079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.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"	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.628798"	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\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 (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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.060852"	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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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\Config\DODownloadMode = "1"	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\MonthID = "2"	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\DownloadMonthlyCdnBytes = "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\MemoryUsageKB = "4404"	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\MemoryUsageKB = "4144"	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\SwarmCount = "1"	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\BkDownloadRatePct = "45"	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\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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 (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\UploadCount = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893122115772352"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

660 PING.EXE

pid	process
660	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe

description	pid	process
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe
Token: SeBackupPrivilege	3084	TiWorker.exe
Token: SeRestorePrivilege	3084	TiWorker.exe
Token: SeSecurityPrivilege	3084	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.execmd.exe

description	pid	process	target process
PID 3904 wrote to memory of 3316	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	MediaCenter.exe
PID 3904 wrote to memory of 3316	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	MediaCenter.exe
PID 3904 wrote to memory of 3316	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	MediaCenter.exe
PID 3904 wrote to memory of 528	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	cmd.exe
PID 3904 wrote to memory of 528	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	cmd.exe
PID 3904 wrote to memory of 528	3904	079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe	cmd.exe
PID 528 wrote to memory of 660	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 660	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 660	528	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe
"C:\Users\Admin\AppData\Local\Temp\079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\079bd5564fda2138a383db0a7477b5d70933514590d1ff383bcf08424888d59c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:660

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2832

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:3560

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:3084

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
718b7c0d2ff4edcb729b725a0be3a8c0

SHA1
98059375643e65419358ec6f5b9637e42f0f5867

SHA256
25a3eb9909d8734dc08851273c0be6814d7e384263ea64ef1ac5b62f147e8edb

SHA512
7ee72bed285154ec68191d6c5411205bd5032be26b14a582688ed7bba2594e284e88e52a29738e7c2bdb930b5fbd5627e931f7b65b2fd5bc25c05b455b4e2463

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
718b7c0d2ff4edcb729b725a0be3a8c0

SHA1
98059375643e65419358ec6f5b9637e42f0f5867

SHA256
25a3eb9909d8734dc08851273c0be6814d7e384263ea64ef1ac5b62f147e8edb

SHA512
7ee72bed285154ec68191d6c5411205bd5032be26b14a582688ed7bba2594e284e88e52a29738e7c2bdb930b5fbd5627e931f7b65b2fd5bc25c05b455b4e2463

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads