sakula | 10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53

General

Target

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe
Size

100KB
MD5

2049f6b7ce9638e03b67653576c5598b
SHA1

cca807ece31fb86462dc36a49c6ca8d6f5213987
SHA256

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53
SHA512

5b709d0045777de6b07091814d08dfc2ad9a75d16a91651aeaa8ddabb1c4056ed467020e92cb2f43b574ae55b40bdd7fc763194fe3d1f5110a7d6a8ffe913c14

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

1056 MediaCenter.exe

pid	process
1056	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:

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.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"	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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\MemoryUsageKB = "4100"	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\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\SwarmCount = "1"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892960932127548"	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\LANConnectionCount = "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\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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\Config	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\UploadRatePct = "100"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\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\GroupConnectionCount = "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\MonthlyUploadRestriction = "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 = "0.659340"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.769576"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.111468"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3744 PING.EXE

pid	process
3744	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.execmd.exe

description	pid	process	target process
PID 4044 wrote to memory of 1056	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	MediaCenter.exe
PID 4044 wrote to memory of 1056	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	MediaCenter.exe
PID 4044 wrote to memory of 1056	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	MediaCenter.exe
PID 4044 wrote to memory of 820	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	cmd.exe
PID 4044 wrote to memory of 820	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	cmd.exe
PID 4044 wrote to memory of 820	4044	10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe	cmd.exe
PID 820 wrote to memory of 3744	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3744	820	cmd.exe	PING.EXE
PID 820 wrote to memory of 3744	820	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe
"C:\Users\Admin\AppData\Local\Temp\10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1056

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10e3cd19c3107a3e017ab07896b4865715d77490c22dd911667b5f916b259c53.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:820

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3744

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:656

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:3496

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:640

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
bb2024d6736ed0436d1ac5c54277031e

SHA1
20206a53e31f14b1e56b79cafb0068c9631000fa

SHA256
73bb62f47b093051dd70d47ea535dd01b13eec36682f463e8104a41de81a0455

SHA512
2a89a8b0f17c6464d1c44d612781a71ceaf5334d7f986f74c3de8504732ff22c5453dcdc5b9d5e0cd04ec252685f4870239a849ad7e782eb1e844253ab001c6e

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

MD5
bb2024d6736ed0436d1ac5c54277031e

SHA1
20206a53e31f14b1e56b79cafb0068c9631000fa

SHA256
73bb62f47b093051dd70d47ea535dd01b13eec36682f463e8104a41de81a0455

SHA512
2a89a8b0f17c6464d1c44d612781a71ceaf5334d7f986f74c3de8504732ff22c5453dcdc5b9d5e0cd04ec252685f4870239a849ad7e782eb1e844253ab001c6e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads