sakula | 106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402

General

Target

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe
Size

100KB
MD5

576a4ffa72151fd371294306a8dad7ce
SHA1

cad7a6e244a77eef211d1d91670f27d8cf82a91b
SHA256

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402
SHA512

3f9016d8983b1074a07f152fd510cacf7b8d8254c91c3615ea282ea6386ff6586a0dea8246e4e079884c5a10a2047e406e1d6f0644eec2bf80a14cf563e05f36

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

4048 MediaCenter.exe

pid	process
4048	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:

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.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"	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\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 = "0.306749"	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\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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.995601"	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\PriorityDownloadPendingCount = "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\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\PeerInfoCount = "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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90"	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\UploadCount = "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\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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892968144661918"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\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 (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\MemoryUsageKB = "4260"	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 (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\NormalDownloadPendingCount = "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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2936 PING.EXE

pid	process
2936	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe
Token: SeBackupPrivilege	3616	TiWorker.exe
Token: SeRestorePrivilege	3616	TiWorker.exe
Token: SeSecurityPrivilege	3616	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.execmd.exe

description	pid	process	target process
PID 844 wrote to memory of 4048	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	MediaCenter.exe
PID 844 wrote to memory of 4048	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	MediaCenter.exe
PID 844 wrote to memory of 4048	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	MediaCenter.exe
PID 844 wrote to memory of 2600	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	cmd.exe
PID 844 wrote to memory of 2600	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	cmd.exe
PID 844 wrote to memory of 2600	844	106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe	cmd.exe
PID 2600 wrote to memory of 2936	2600	cmd.exe	PING.EXE
PID 2600 wrote to memory of 2936	2600	cmd.exe	PING.EXE
PID 2600 wrote to memory of 2936	2600	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe
"C:\Users\Admin\AppData\Local\Temp\106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\106eeee79f6e13cf8ae38ce66d40633df12e57d72be54ff0a6c302a185d10402.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2600

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2936

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4064

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:1420

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:3616

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
e5fc09c56a17231030fee0499ac65ad8

SHA1
ca40ef0de94609d1692832842bebde024e3392eb

SHA256
0df7f1360d0ca4d8db8694630b2bbd547b638d76fcdad054a121aaf4d0609717

SHA512
ebd38f3234edc8c6f7b16fbc85ce695b94dd2840e4fd5d69e28051f729e68ba1c7fa05c110dd4448ecba9d508c107baa16847eb54e32d1c1c574bd0ba7659159

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

MD5
e5fc09c56a17231030fee0499ac65ad8

SHA1
ca40ef0de94609d1692832842bebde024e3392eb

SHA256
0df7f1360d0ca4d8db8694630b2bbd547b638d76fcdad054a121aaf4d0609717

SHA512
ebd38f3234edc8c6f7b16fbc85ce695b94dd2840e4fd5d69e28051f729e68ba1c7fa05c110dd4448ecba9d508c107baa16847eb54e32d1c1c574bd0ba7659159

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads