sakula | 0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8

General

Target

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe
Size

99KB
MD5

fd2ede9fd65459ee54ce568b37d58edd
SHA1

37c2e6406d7660fa05496d1b1f21d0213bb3e48f
SHA256

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8
SHA512

0c87b8dac07deebfd8b3fce4684fb2885bfc27a5a0b3cc114542241717813aa343b83b9cabe4dcb5596fa765c58a394636bd06a07db26340bbaeff0542d9b39e

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

2084 MediaCenter.exe

pid	process
2084	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:

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.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"	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.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\Config\KVFileExpirationTime = "132893071683486887"	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\LinkLocalConnectionCount = "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
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\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\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\GroupConnectionCount = "0"	svchost.exe
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 = "18.180708"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkBps = "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 = "4.729979"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\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\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\CDNConnectionCount = "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\UploadCount = "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\Usage\DownloadMonthlyCacheHostBytes = "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 = "0.000000"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkUsageBps = "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\DownlinkBps = "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\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\DownlinkUsageBps = "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\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3012 PING.EXE

pid	process
3012	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.execmd.exe

description	pid	process	target process
PID 2312 wrote to memory of 2084	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	MediaCenter.exe
PID 2312 wrote to memory of 2084	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	MediaCenter.exe
PID 2312 wrote to memory of 2084	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	MediaCenter.exe
PID 2312 wrote to memory of 3000	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	cmd.exe
PID 2312 wrote to memory of 3000	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	cmd.exe
PID 2312 wrote to memory of 3000	2312	0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe	cmd.exe
PID 3000 wrote to memory of 3012	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 3012	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 3012	3000	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe
"C:\Users\Admin\AppData\Local\Temp\0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ac4fb23d45fdc5f49d73f2253893946ed45b259f304f82342bd79e08b6ce6e8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3012

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3288

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:3596

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:3808

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
1b2d3cc013aa2b114d042aa89d554b48

SHA1
686c3de10a7ef6fc71c5e36b2f824e4a57f12e16

SHA256
30d65180b8f98d08d3fc9c7d6968724f1283056bec6529315873d7dbe9a14bd3

SHA512
db8cb7cad4bec39a2dedf9d8ec652261d71acad3f3ad39c73590913b496420929fc307d2bae7cbaaceddefb99f49802f9e3247c2bd2bbd7521775a7b19bcc54f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1b2d3cc013aa2b114d042aa89d554b48

SHA1
686c3de10a7ef6fc71c5e36b2f824e4a57f12e16

SHA256
30d65180b8f98d08d3fc9c7d6968724f1283056bec6529315873d7dbe9a14bd3

SHA512
db8cb7cad4bec39a2dedf9d8ec652261d71acad3f3ad39c73590913b496420929fc307d2bae7cbaaceddefb99f49802f9e3247c2bd2bbd7521775a7b19bcc54f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads