sakula | 17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d

General

Target

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe
Size

36KB
MD5

4549dbda12eef5539ed4ab19888e0b46
SHA1

7e9a2bf7ba4861416b4f498b8f08398832b1970f
SHA256

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d
SHA512

c4fb5385c2d4395a0b586d15b874224262a3aef45b96a8a3cfc32a1b61800b490224b3917b1b23bd45e4f41a8b8bd4beb76c34479ad01feb2123ff300358ac12

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

3424 MediaCenter.exe

pid	process
3424	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:

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.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"	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\InternetConnectionCount = "0"	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\DownloadMonthlyInternetBytes = "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\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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.247813"	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\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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\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 (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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.554768"	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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\PriorityDownloadPendingCount = "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\Config\KVFileExpirationTime = "132892863587669971"	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\GroupConnectionCount = "0"	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\DownloadMonthlyCacheHostBytes = "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 = "4336"	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\BkDownloadRatePct = "45"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\DownloadMonthlyGroupBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

960 PING.EXE

pid	process
960	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe
Token: SeBackupPrivilege	2672	TiWorker.exe
Token: SeRestorePrivilege	2672	TiWorker.exe
Token: SeSecurityPrivilege	2672	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.execmd.exe

description	pid	process	target process
PID 3468 wrote to memory of 3424	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	MediaCenter.exe
PID 3468 wrote to memory of 3424	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	MediaCenter.exe
PID 3468 wrote to memory of 3424	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	MediaCenter.exe
PID 3468 wrote to memory of 1696	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	cmd.exe
PID 3468 wrote to memory of 1696	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	cmd.exe
PID 3468 wrote to memory of 1696	3468	17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe	cmd.exe
PID 1696 wrote to memory of 960	1696	cmd.exe	PING.EXE
PID 1696 wrote to memory of 960	1696	cmd.exe	PING.EXE
PID 1696 wrote to memory of 960	1696	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3988

C:\Users\Admin\AppData\Local\Temp\17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe
"C:\Users\Admin\AppData\Local\Temp\17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3468

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3424

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17b73a2dd7ff623f1ec1c537958423b75d57a5debde43ca61920df4e42c0ee6d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:960

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:208

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:2672

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
449c632959a38bed20b3ba7b401deb8a

SHA1
e14b476806ee49e2649367ff10eca0a69f5d1014

SHA256
b163feb2ee2212d078ec396f302e6bf46852b293e70b72ecf1319abec0441448

SHA512
a2fc1e00339de6c15f57c5552c73ca100deebc833545b98c412f3d713e58d3d093df9494e8d641642f5c3f2b389ae7d6e0da3d64d1563288104158bf33eee35c

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

MD5
449c632959a38bed20b3ba7b401deb8a

SHA1
e14b476806ee49e2649367ff10eca0a69f5d1014

SHA256
b163feb2ee2212d078ec396f302e6bf46852b293e70b72ecf1319abec0441448

SHA512
a2fc1e00339de6c15f57c5552c73ca100deebc833545b98c412f3d713e58d3d093df9494e8d641642f5c3f2b389ae7d6e0da3d64d1563288104158bf33eee35c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads