sakula | 1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3

General

Target

1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe
Size

101KB
MD5

f144973672b7ab5a353891f831f4fc90
SHA1

d7a211c65e8ab611cadbc5a1330188b29791959f
SHA256

1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3
SHA512

1b8de4a4725619530af7c0ab04963b7fb4a205fbb20d827ee5bcb7296f0ae8e8d9c98035cacfacf66369b7e40041e053a417ccba72c3b0beae5c9e133380c552

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

1028 MediaCenter.exe

pid	process
1028	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:

1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.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"	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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 (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\MemoryUsageKB = "4376"	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\LANConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846281"	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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\Settings	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\GroupConnectionCount = "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\PriorityDownloadCount = "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\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\PeerInfoCount = "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 = "4.639133"	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\SwarmCount = "1"	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\UplinkUsageBps = "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\UploadCount = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\Usage\DownloadMonthlyCacheHostBytes = "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 = "132892904055089010"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3988 PING.EXE

pid	process
3988	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe

description	pid	process
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe
Token: SeBackupPrivilege	3364	TiWorker.exe
Token: SeRestorePrivilege	3364	TiWorker.exe
Token: SeSecurityPrivilege	3364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.execmd.exe

description	pid	process	target process
PID 3708 wrote to memory of 1028	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	MediaCenter.exe
PID 3708 wrote to memory of 1028	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	MediaCenter.exe
PID 3708 wrote to memory of 1028	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	MediaCenter.exe
PID 3708 wrote to memory of 3652	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	cmd.exe
PID 3708 wrote to memory of 3652	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	cmd.exe
PID 3708 wrote to memory of 3652	3708	1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe	cmd.exe
PID 3652 wrote to memory of 3988	3652	cmd.exe	PING.EXE
PID 3652 wrote to memory of 3988	3652	cmd.exe	PING.EXE
PID 3652 wrote to memory of 3988	3652	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe
"C:\Users\Admin\AppData\Local\Temp\1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1539130fe2b47bb32a249080486660410041ca5bdeedec9fb4eb7f8bbcd352d3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3652

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3988

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3940

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:1476

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:3364

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
6a5d9a9098d98bf639f0eff2620ec464

SHA1
1c120e6c18c1de55c08ce90a4db3ebf09e416fbd

SHA256
df631588ffe6a50c4d06ebf2d94b79c491d3ef62662d0909b4ccb0c76ad4835d

SHA512
2d534a81b5f58412a0564e705157712f1dd1cfc0195e38cd7e017b76cc37a1881fc34bb3a2ffd255f5171130b234c479341f12e6146ad45f9c751a6fab027dd3

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

MD5
6a5d9a9098d98bf639f0eff2620ec464

SHA1
1c120e6c18c1de55c08ce90a4db3ebf09e416fbd

SHA256
df631588ffe6a50c4d06ebf2d94b79c491d3ef62662d0909b4ccb0c76ad4835d

SHA512
2d534a81b5f58412a0564e705157712f1dd1cfc0195e38cd7e017b76cc37a1881fc34bb3a2ffd255f5171130b234c479341f12e6146ad45f9c751a6fab027dd3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads