sakula | 08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886

General

Target

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe
Size

89KB
MD5

d6b6d98083b69451affe75ea8b23ad80
SHA1

d24e29a3b55dae4eab5458e0823ccb04124804e8
SHA256

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886
SHA512

f4d14d73685cbd9d995d8aed50211e93daf9df2d292042038ccc3d729b2865a6279bf6bd023708328581f96854bc46170587866735767b2940ab062d166d2968

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

32 MediaCenter.exe

pid	process
32	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:

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.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"	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "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\MemoryUsageKB = "4092"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.414139"	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\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\UploadRatePct = "100"	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\DownloadMonthlyRateFrCnt = "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\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\FrDownloadRatePct = "90"	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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\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\DownloadMonthlyInternetBytes = "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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.207810"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\Usage	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\DownloadMonthlyCdnBytes = "0"	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\MonthlyUploadRestriction = "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\SwarmCount = "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\Config\KVFileExpirationTime = "132893099718995805"	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\UploadCount = "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\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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3008 PING.EXE

pid	process
3008	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe
Token: SeBackupPrivilege	540	TiWorker.exe
Token: SeRestorePrivilege	540	TiWorker.exe
Token: SeSecurityPrivilege	540	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.execmd.exe

description	pid	process	target process
PID 3448 wrote to memory of 32	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	MediaCenter.exe
PID 3448 wrote to memory of 32	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	MediaCenter.exe
PID 3448 wrote to memory of 32	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	MediaCenter.exe
PID 3448 wrote to memory of 528	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	cmd.exe
PID 3448 wrote to memory of 528	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	cmd.exe
PID 3448 wrote to memory of 528	3448	08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe	cmd.exe
PID 528 wrote to memory of 3008	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 3008	528	cmd.exe	PING.EXE
PID 528 wrote to memory of 3008	528	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe
"C:\Users\Admin\AppData\Local\Temp\08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:32

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08fc06f1297d89287706c9b046e4e933c8ed7d21f1f70fa9510a5eb64e34a886.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3008

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:452

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:2060

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:540

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
ec48e77feb23a539112437fd20752d46

SHA1
bb2cedc7034370859b6e46dc2504a387b8970d1f

SHA256
6b90040c472665e74a70ba2d768f2424f8af646d43ea7e31d1d3a23aea636e5f

SHA512
3aa4278599de72707ab22484eca1fe51bda9c0935274ea6653ecf28b3c89a8d56df5f4437405cdf2ca16839c6d3463b946a343c71dd779dee8fe5aceddb80277

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ec48e77feb23a539112437fd20752d46

SHA1
bb2cedc7034370859b6e46dc2504a387b8970d1f

SHA256
6b90040c472665e74a70ba2d768f2424f8af646d43ea7e31d1d3a23aea636e5f

SHA512
3aa4278599de72707ab22484eca1fe51bda9c0935274ea6653ecf28b3c89a8d56df5f4437405cdf2ca16839c6d3463b946a343c71dd779dee8fe5aceddb80277

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads