sakula | 17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c

General

Target

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe
Size

60KB
MD5

a1c219035f2f2b1444647a98b172e0b1
SHA1

aed26663dddae14ead3907995877f6d8ed4d0966
SHA256

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c
SHA512

82ff5d7c97c715e7b44fd67f937aadb13ab777cb2b3826827e19100461547b1fb2a6d659f88cad8848fa29be95914d75e605e1f62bd3a25dd4fedfaa90b96ad7

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

452 MediaCenter.exe

pid	process
452	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:

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.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"	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892862431133473"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999091"	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\DownloadMonthlyLinkLocalBytes = "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\InternetConnectionCount = "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\FrDownloadRatePct = "90"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.072569"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\Config	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\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\UploadRatePct = "100"	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 = "1.249979"	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\MemoryUsageKB = "4100"	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 (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\CDNConnectionCount = "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\Config\DODownloadMode = "1"	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\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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3416 PING.EXE

pid	process
3416	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe
Token: SeBackupPrivilege	3996	TiWorker.exe
Token: SeRestorePrivilege	3996	TiWorker.exe
Token: SeSecurityPrivilege	3996	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.execmd.exe

description	pid	process	target process
PID 2160 wrote to memory of 452	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	MediaCenter.exe
PID 2160 wrote to memory of 452	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	MediaCenter.exe
PID 2160 wrote to memory of 452	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	MediaCenter.exe
PID 2160 wrote to memory of 3360	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	cmd.exe
PID 2160 wrote to memory of 3360	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	cmd.exe
PID 2160 wrote to memory of 3360	2160	17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe	cmd.exe
PID 3360 wrote to memory of 3416	3360	cmd.exe	PING.EXE
PID 3360 wrote to memory of 3416	3360	cmd.exe	PING.EXE
PID 3360 wrote to memory of 3416	3360	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe
"C:\Users\Admin\AppData\Local\Temp\17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17cb378c175423e7bb5c547feafa9d53f500bd63efb9df33888fd18ca4963f5c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3360

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3416

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:764

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:3828

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:3996

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
0e003a5bfad92b9590aa0c85dec53179

SHA1
55ff1d7d66189d398d81c981846146b695a4162d

SHA256
8244b325d19b27056da359960bad4c7bf0448bae50819af9744209b812bd573b

SHA512
80c97a59f09862c19a6b9fd3d31b9480f9e43a779d779469dfa0816f046ea53835ae01e3e1ad012025bd82ad480ab3ce9a8c608d98db5ad52b8c85ae015bc075

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

MD5
0e003a5bfad92b9590aa0c85dec53179

SHA1
55ff1d7d66189d398d81c981846146b695a4162d

SHA256
8244b325d19b27056da359960bad4c7bf0448bae50819af9744209b812bd573b

SHA512
80c97a59f09862c19a6b9fd3d31b9480f9e43a779d779469dfa0816f046ea53835ae01e3e1ad012025bd82ad480ab3ce9a8c608d98db5ad52b8c85ae015bc075

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads