sakula | 0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673

General

Target

0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe
Size

176KB
MD5

28245a26d7e8b66f75a3e6962f5ab2ff
SHA1

271a5210d9b1bda4ddb5b44d50a079a559cf782d
SHA256

0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673
SHA512

ab27947af15371169779f9091a7a4212184945a3b9a5fe841266402a341541cd9608871e2e69c2b071b02a0ef12dc523b2d9911ccc16575c4aadcbb16b3c59b6

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 3 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
behavioral2/memory/1468-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3904 MediaCenter.exe

pid	process
3904	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:

0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.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"	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.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
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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyLanBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.434414"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\SwarmCount = "1"	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\LinkLocalConnectionCount = "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\UploadMonthlyLanBytes = "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\DownlinkUsageBps = "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\UploadRatePct = "100"	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 = "1.724069"	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\Config\DODownloadMode = "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\DownloadMonthlyInternetBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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 = "132893030564788263"	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\GroupConnectionCount = "0"	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\BkDownloadRatePct = "45"	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	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	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 (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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2248 PING.EXE

pid	process
2248	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe

description	pid	process
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.execmd.exe

description	pid	process	target process
PID 1468 wrote to memory of 3904	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	MediaCenter.exe
PID 1468 wrote to memory of 3904	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	MediaCenter.exe
PID 1468 wrote to memory of 3904	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	MediaCenter.exe
PID 1468 wrote to memory of 3436	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	cmd.exe
PID 1468 wrote to memory of 3436	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	cmd.exe
PID 1468 wrote to memory of 3436	1468	0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe	cmd.exe
PID 3436 wrote to memory of 2248	3436	cmd.exe	PING.EXE
PID 3436 wrote to memory of 2248	3436	cmd.exe	PING.EXE
PID 3436 wrote to memory of 2248	3436	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe
"C:\Users\Admin\AppData\Local\Temp\0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3904

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bf28971e196b2ab2b538e69a0f6aeb8444615a913644b3bb6f4ad430bc22673.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2248

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1924

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:2804

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:3180

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
02bc87eb61aa0dd58a72949366803710

SHA1
2de1d8ea4f2927a5922c63e0753329e9b18d1c42

SHA256
29f25de47b7a800780eaa909e8915c3257266abb89859c56221cf642109ae69c

SHA512
9c000902f77896de71ae2a39e71f727d6f941e784c87be1c032cd22a3100f51e0b9caa13be12982780553e30555c967887dd2cc3240ace0075d6182c4c418ac4

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

MD5
02bc87eb61aa0dd58a72949366803710

SHA1
2de1d8ea4f2927a5922c63e0753329e9b18d1c42

SHA256
29f25de47b7a800780eaa909e8915c3257266abb89859c56221cf642109ae69c

SHA512
9c000902f77896de71ae2a39e71f727d6f941e784c87be1c032cd22a3100f51e0b9caa13be12982780553e30555c967887dd2cc3240ace0075d6182c4c418ac4

Download Submit
memory/1468-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads