sakula | 15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b

General

Target

15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe
Size

60KB
MD5

a79819981c775647e505b632b27a6521
SHA1

6eade7646ef10fa67ec8abb2b0088d1c8caaa25f
SHA256

15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b
SHA512

227eede6c6d8859931076eba1de50f8086b3672fa019c77476d9624b38b7075a2e3060567e83aaece0223aef32777c176b0b82880cb67a50c8bb4177790f42ee

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

3720 MediaCenter.exe

pid	process
3720	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:

15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.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"	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.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 54 IoCs

Processes:

svchost.exe

description	ioc	process
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 (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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999959"	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\DownloadMonthlyCdnBytes = "90228624"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "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\NormalDownloadCount = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "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\DownloadMonthlyRateBkBps = "1157726"	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\MonthlyUploadRestriction = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076"	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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "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\MemoryUsageKB = "4284"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "18.178243"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3912"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892904190092259"	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\DownloadMonthlyLanBytes = "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\MonthID = "2"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\Config\DODownloadMode = "1"	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\DownloadMode_BackCompat = "1"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1104 PING.EXE

pid	process
1104	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.execmd.exe

description	pid	process	target process
PID 1616 wrote to memory of 3720	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	MediaCenter.exe
PID 1616 wrote to memory of 3720	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	MediaCenter.exe
PID 1616 wrote to memory of 3720	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	MediaCenter.exe
PID 1616 wrote to memory of 3440	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	cmd.exe
PID 1616 wrote to memory of 3440	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	cmd.exe
PID 1616 wrote to memory of 3440	1616	15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe	cmd.exe
PID 3440 wrote to memory of 1104	3440	cmd.exe	PING.EXE
PID 3440 wrote to memory of 1104	3440	cmd.exe	PING.EXE
PID 3440 wrote to memory of 1104	3440	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe
"C:\Users\Admin\AppData\Local\Temp\15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1616

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15330a2c310354d022a2c5998a8728418628ba688778a4ab7061ca8a9e2abc5b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3440

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1104

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3624

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:3032

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:916

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
921f3eed58e95658322796f30cb42786

SHA1
9ae104e43273cefebec1cde40ee33f0e5f8a42de

SHA256
30542941fa5586bf264faab043ef75430ad20fc4ede24d6ebc07b248f6f029ca

SHA512
16f5daad4aef5d85faa15bf8da5a70410db185d3dcbad2eb91c519f0e9dde5fcfdd74fb2e63a4a9a2e80b35ea3ecabc3bacfbdc79cc7792aa3d5ba9715bbebda

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

MD5
921f3eed58e95658322796f30cb42786

SHA1
9ae104e43273cefebec1cde40ee33f0e5f8a42de

SHA256
30542941fa5586bf264faab043ef75430ad20fc4ede24d6ebc07b248f6f029ca

SHA512
16f5daad4aef5d85faa15bf8da5a70410db185d3dcbad2eb91c519f0e9dde5fcfdd74fb2e63a4a9a2e80b35ea3ecabc3bacfbdc79cc7792aa3d5ba9715bbebda

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads