sakula | 0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34

General

Target

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe
Size

60KB
MD5

1f786a0982b95d207edb2b281ff5df16
SHA1

a549458ba31834d8b6319acc926f97bb4ed59f4d
SHA256

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34
SHA512

6dbfca6510af9ffded05ff2e8c4d15993708b8ae7de7349b7a1c750129aee62f69faa4267d25db7d16c47c456fa28afb284d481a0fc5f98c377f88e148ef4442

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3048 MediaCenter.exe

pid	process
3048	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:

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.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"	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.336036"	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\DownloadMonthlyGroupBytes = "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\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\MemoryUsageKB = "4096"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.363269"	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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "0"	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\CacheSizeBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.321835"	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\DownloadMonthlyLanBytes = "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\MemoryUsageKB = "4296"	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\UploadMonthlyLanBytes = "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\InternetConnectionCount = "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\DownlinkBps = "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\NormalDownloadPendingCount = "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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893153561999554"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3460 PING.EXE

pid	process
3460	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe
Token: SeBackupPrivilege	820	TiWorker.exe
Token: SeRestorePrivilege	820	TiWorker.exe
Token: SeSecurityPrivilege	820	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.execmd.exe

description	pid	process	target process
PID 1424 wrote to memory of 3048	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	MediaCenter.exe
PID 1424 wrote to memory of 3048	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	MediaCenter.exe
PID 1424 wrote to memory of 3048	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	MediaCenter.exe
PID 1424 wrote to memory of 3556	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	cmd.exe
PID 1424 wrote to memory of 3556	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	cmd.exe
PID 1424 wrote to memory of 3556	1424	0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe	cmd.exe
PID 3556 wrote to memory of 3460	3556	cmd.exe	PING.EXE
PID 3556 wrote to memory of 3460	3556	cmd.exe	PING.EXE
PID 3556 wrote to memory of 3460	3556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe
"C:\Users\Admin\AppData\Local\Temp\0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0536bca31a8fe772c9c7d3f7ef4a39beaf76e838f674bc30271f1fbcd5c85d34.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3556

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3460

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3428

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:3592

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:820

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
cd69ed7143bf90f024e068ad272d4a14

SHA1
e6d51903463680932f7f895550c105fdd7513b42

SHA256
383de71ca58aa32378bebdc1ba17c2dbcfe657bb27ff1350c59dc8c556bed442

SHA512
d6560e88eb595ecdf038bc07565ff8ed725e7a6024586f0a473faa011b1692756a9b1ba8f215618f0cd82573c2b258181326cea76dc9d48edf11678cfe54768a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
cd69ed7143bf90f024e068ad272d4a14

SHA1
e6d51903463680932f7f895550c105fdd7513b42

SHA256
383de71ca58aa32378bebdc1ba17c2dbcfe657bb27ff1350c59dc8c556bed442

SHA512
d6560e88eb595ecdf038bc07565ff8ed725e7a6024586f0a473faa011b1692756a9b1ba8f215618f0cd82573c2b258181326cea76dc9d48edf11678cfe54768a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads