sakula | 1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba

General

Target

1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe
Size

36KB
MD5

bea9cc68f0ef6ad77ebcfc84617a3ed6
SHA1

012468aa5c566e50fea0c6f4b15ee6a505e1be60
SHA256

1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba
SHA512

37cc6791c7b823758c5bb155ef92b431676b750f79eb988c09300dce802baf492ec25351fc0fb99c63b95eb4cbf38778bfb92ea743841e00e6d9ce16333f7127

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

1812 MediaCenter.exe

pid	process
1812	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:

1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.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"	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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
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\SwarmCount = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\UploadCount = "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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4240"	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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\LinkLocalConnectionCount = "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\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136"	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\DownloadMonthlyRateFrBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\Usage\UploadMonthlyLanBytes = "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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.016961"	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\DownloadMonthlyRateFrCnt = "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\Config\KVFileExpirationTime = "132892956399908284"	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 = "0.450449"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3708 PING.EXE

pid	process
3708	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe

description	pid	process
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe
Token: SeBackupPrivilege	3420	TiWorker.exe
Token: SeRestorePrivilege	3420	TiWorker.exe
Token: SeSecurityPrivilege	3420	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.execmd.exe

description	pid	process	target process
PID 3720 wrote to memory of 1812	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	MediaCenter.exe
PID 3720 wrote to memory of 1812	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	MediaCenter.exe
PID 3720 wrote to memory of 1812	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	MediaCenter.exe
PID 3720 wrote to memory of 3436	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	cmd.exe
PID 3720 wrote to memory of 3436	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	cmd.exe
PID 3720 wrote to memory of 3436	3720	1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe	cmd.exe
PID 3436 wrote to memory of 3708	3436	cmd.exe	PING.EXE
PID 3436 wrote to memory of 3708	3436	cmd.exe	PING.EXE
PID 3436 wrote to memory of 3708	3436	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe
"C:\Users\Admin\AppData\Local\Temp\1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1812

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1129233f52e8a936500fa3b75baa13a1e5b631a90d3519acd02f30cdd33362ba.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3436

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3708

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1592

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:1868

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:3420

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
5b81afe3ce5c80e101e9bbee6bd09851

SHA1
f36ee96cbf94c46e74f4e1e470cc7ef25fdc50f1

SHA256
7482c5d62f2622bd8b62c8aa31372b2f0036f4adca22679dd506a32606ce164a

SHA512
ed332228ebd3289fdcc114e7d63b104780dfc20275c741f5e39a539f5587d0cc2391200b924d67b58873fb72c763b6e98532d040a375def3df2386085bc0173a

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

MD5
5b81afe3ce5c80e101e9bbee6bd09851

SHA1
f36ee96cbf94c46e74f4e1e470cc7ef25fdc50f1

SHA256
7482c5d62f2622bd8b62c8aa31372b2f0036f4adca22679dd506a32606ce164a

SHA512
ed332228ebd3289fdcc114e7d63b104780dfc20275c741f5e39a539f5587d0cc2391200b924d67b58873fb72c763b6e98532d040a375def3df2386085bc0173a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads