sakula | 04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61

General

Target

04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe
Size

150KB
MD5

f1553d1817565b3416d08f9822e0258f
SHA1

58d95c22849b48b6ca3a65348a2fc2511d475278
SHA256

04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61
SHA512

039f848dfeffb94f738fca291d468015f4ad640bdc640dec613692d920fa8a6096f5495500d3177d913a6201be90c6379db75e842e7e4595c39871e3045ed04f

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1548 MediaCenter.exe

pid	process
1548	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:

04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.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"	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.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\UploadMonthlyInternetBytes = "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\DownloadMonthlyLinkLocalBytes = "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\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\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\BkDownloadRatePct = "45"	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\SwarmCount = "1"	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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4140"	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\UploadRatePct = "100"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.930233"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.376283"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893160590427564"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\PriorityDownloadCount = "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\SwarmCount = "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\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\DownloadMonthlyRateBkCnt = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3376 PING.EXE

pid	process
3376	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe
Token: SeRestorePrivilege	3068	TiWorker.exe
Token: SeSecurityPrivilege	3068	TiWorker.exe
Token: SeBackupPrivilege	3068	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.execmd.exe

description	pid	process	target process
PID 3988 wrote to memory of 1548	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	MediaCenter.exe
PID 3988 wrote to memory of 1548	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	MediaCenter.exe
PID 3988 wrote to memory of 1548	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	MediaCenter.exe
PID 3988 wrote to memory of 3532	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	cmd.exe
PID 3988 wrote to memory of 3532	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	cmd.exe
PID 3988 wrote to memory of 3532	3988	04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe	cmd.exe
PID 3532 wrote to memory of 3376	3532	cmd.exe	PING.EXE
PID 3532 wrote to memory of 3376	3532	cmd.exe	PING.EXE
PID 3532 wrote to memory of 3376	3532	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe
"C:\Users\Admin\AppData\Local\Temp\04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1548

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04b21e9e0dd60f18d7808e5cf691838a1844e78e96d3be2258fc0f062b0d5c61.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3532

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3376

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3756

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:3208

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:3068

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
0119a22efe5c768bf766689621652b2f

SHA1
35477a6a9631b73850179a33a0adaf7986365501

SHA256
e1bce4e91a6ae13e4ae8b03bb7eff3a8a0211bcb917c148c730d913f17a55662

SHA512
7b5760b40799032f432d8988ca716b82a72e3744e1f5618249be7151701ed875ea2584e09f759ee81a8f609ebb0cb6a0098dcb179b158a0d4aebf6b3ae29487e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
0119a22efe5c768bf766689621652b2f

SHA1
35477a6a9631b73850179a33a0adaf7986365501

SHA256
e1bce4e91a6ae13e4ae8b03bb7eff3a8a0211bcb917c148c730d913f17a55662

SHA512
7b5760b40799032f432d8988ca716b82a72e3744e1f5618249be7151701ed875ea2584e09f759ee81a8f609ebb0cb6a0098dcb179b158a0d4aebf6b3ae29487e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads