sakula | 18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63

General

Target

18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe
Size

60KB
MD5

1a4fc297393677ee9bb8c03c0cbff975
SHA1

f91be0225b1cdc45baf135534263cc572658ae8c
SHA256

18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63
SHA512

a4961df38f1d9854f0988791240616fb1239f37b6d06c087c585fc6a6f9ecf88e1bca808ee032c1192a066b889ff467125ad21221ea489701c971ae9b2582fa4

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

3360 MediaCenter.exe

pid	process
3360	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:

18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.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"	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.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\DownloadMonthlyGroupBytes = "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\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 (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\Usage	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180"	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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892849898681050"	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\DownloadMonthlyInternetBytes = "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\MonthID = "2"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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\DownlinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "0"	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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.119142"	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\UploadMonthlyInternetBytes = "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\GroupConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.637152"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2660 PING.EXE

pid	process
2660	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe

description	pid	process
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe
Token: SeBackupPrivilege	2912	TiWorker.exe
Token: SeRestorePrivilege	2912	TiWorker.exe
Token: SeSecurityPrivilege	2912	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.execmd.exe

description	pid	process	target process
PID 1964 wrote to memory of 3360	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	MediaCenter.exe
PID 1964 wrote to memory of 3360	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	MediaCenter.exe
PID 1964 wrote to memory of 3360	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	MediaCenter.exe
PID 1964 wrote to memory of 3604	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	cmd.exe
PID 1964 wrote to memory of 3604	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	cmd.exe
PID 1964 wrote to memory of 3604	1964	18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe	cmd.exe
PID 3604 wrote to memory of 2660	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 2660	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 2660	3604	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe
"C:\Users\Admin\AppData\Local\Temp\18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3360

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18c5e6f07b51362a280a3946a8a0b394bca76a95bd3ec2ad8bad2d34e2728e63.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2660

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2164

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:3308

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:2912

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
09d1a55a4f0be676c3e333dd021291ef

SHA1
b909f587a8329936c08443ff6ad0729497affa55

SHA256
db45fcbffb27d66942e69a5c38d75418f186309ce34bfbe397497805f5195471

SHA512
79b91aa4ab7550fa740c454047a0ae6869c40ec41b1946bcec3e0bae478205325be731390f56192915a1c63ea35b7b757a29528f871b4018c49a49fc8eff98e2

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

MD5
09d1a55a4f0be676c3e333dd021291ef

SHA1
b909f587a8329936c08443ff6ad0729497affa55

SHA256
db45fcbffb27d66942e69a5c38d75418f186309ce34bfbe397497805f5195471

SHA512
79b91aa4ab7550fa740c454047a0ae6869c40ec41b1946bcec3e0bae478205325be731390f56192915a1c63ea35b7b757a29528f871b4018c49a49fc8eff98e2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads