sakula | 16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae

General

Target

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe
Size

92KB
MD5

6d8e0f83dc0ff040f160055099ad3390
SHA1

c0ed0d10fab12fe838ac9b9ee4c95b5e1027b3cc
SHA256

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae
SHA512

bff1e40d81358542a755e2592959d8974683716428f8b30c74b9c0e7057f3e3816f982094b2e900e5fa8ba83ed60638d66494958154abfbc36e521bc6503bb36

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

3276 MediaCenter.exe

pid	process
3276	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:

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.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"	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.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\NormalDownloadCount = "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\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\SwarmCount = "1"	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\MemoryUsageKB = "4112"	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\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\UploadCount = "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\Usage\NormalDownloadPendingCount = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.335618"	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\LinkLocalConnectionCount = "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\DownloadMonthlyRateFrBps = "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\MonthID = "2"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.328792"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000288"	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\DownloadMonthlyLinkLocalBytes = "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\LANConnectionCount = "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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\Config\DODownloadMode = "1"	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\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 (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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\Config\KVFileExpirationTime = "132892880397155085"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1280 PING.EXE

pid	process
1280	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 3276	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	MediaCenter.exe
PID 3524 wrote to memory of 3276	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	MediaCenter.exe
PID 3524 wrote to memory of 3276	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	MediaCenter.exe
PID 3524 wrote to memory of 1012	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	cmd.exe
PID 3524 wrote to memory of 1012	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	cmd.exe
PID 3524 wrote to memory of 1012	3524	16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe	cmd.exe
PID 1012 wrote to memory of 1280	1012	cmd.exe	PING.EXE
PID 1012 wrote to memory of 1280	1012	cmd.exe	PING.EXE
PID 1012 wrote to memory of 1280	1012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe
"C:\Users\Admin\AppData\Local\Temp\16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16a6bee673b0a851d90eb47c2435edafe6ea4d4dc8cb76f2a66004f29d4798ae.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1280

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2024

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:3780

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:2380

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
ce9baacbddfe903a7fde62a4330ac0ea

SHA1
b06e72fca43298648b22e41b784cb4f646e4f0d4

SHA256
1c81eb1cdcdbcc2874166cc0cfb9c32cf30a1a2ebfa959ad3023231e89492a6a

SHA512
cb4dbf07920134bd230e60cbebcef71500815187d1cf6dbeaed5e38bb22f4957b78aa294a05ca51b74e375dc3c14b3a3605db7d8111a37f07a1a9dc6dcb93e42

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

MD5
ce9baacbddfe903a7fde62a4330ac0ea

SHA1
b06e72fca43298648b22e41b784cb4f646e4f0d4

SHA256
1c81eb1cdcdbcc2874166cc0cfb9c32cf30a1a2ebfa959ad3023231e89492a6a

SHA512
cb4dbf07920134bd230e60cbebcef71500815187d1cf6dbeaed5e38bb22f4957b78aa294a05ca51b74e375dc3c14b3a3605db7d8111a37f07a1a9dc6dcb93e42

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads