sakula | 01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18

General

Target

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
Size

104KB
MD5

b5cff3f3a79af92a10456fd6c631b8b7
SHA1

f66c1950e24653a98fbd8f71d7f6105b8ea062df
SHA256

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18
SHA512

e126e3f2659e3dc27803c0ff944df756d14f6ff7ba8733a74aee8175641b5b214a86ef100cde7cd0cc54926515904f51496074120eb254665338d5cf2ea4a404

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

3484 MediaCenter.exe

pid	process
3484	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:

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.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"	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\NormalDownloadCount = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893200659773215"	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\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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.051387"	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\UplinkBps = "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\DownloadMonthlyGroupBytes = "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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.154665"	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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.101010"	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
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\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\LinkLocalConnectionCount = "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\UplinkUsageBps = "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\MemoryUsageKB = "4092"	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\SwarmCount = "0"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrCnt = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3688 PING.EXE

pid	process
3688	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe
Token: SeBackupPrivilege	3304	TiWorker.exe
Token: SeRestorePrivilege	3304	TiWorker.exe
Token: SeSecurityPrivilege	3304	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.execmd.exe

description	pid	process	target process
PID 3828 wrote to memory of 3484	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	MediaCenter.exe
PID 3828 wrote to memory of 3484	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	MediaCenter.exe
PID 3828 wrote to memory of 3484	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	MediaCenter.exe
PID 3828 wrote to memory of 2076	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	cmd.exe
PID 3828 wrote to memory of 2076	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	cmd.exe
PID 3828 wrote to memory of 2076	3828	01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe	cmd.exe
PID 2076 wrote to memory of 3688	2076	cmd.exe	PING.EXE
PID 2076 wrote to memory of 3688	2076	cmd.exe	PING.EXE
PID 2076 wrote to memory of 3688	2076	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe
"C:\Users\Admin\AppData\Local\Temp\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01e01993368fc49434b8412c2b71abc8ba06b4a52bff45360b624795a5694d18.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2076

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3688

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3184

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:3720

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:3304

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
6a605fcb5a37526fd6cc8bfed85f4cf5

SHA1
35a131e7d7721e52824f34fb77072e11fca457f6

SHA256
19bdf6033eb576ec682289396751a4d0c67f6bf0798eab0d7f0be3ee6e763248

SHA512
de2ce899372fdbf7e6b8afb34cc0257df3ff63c8b14effd57082b9f82694da02ca10bef83ca7c34db3680f21c5c30fd6d9e6bb59aae2b17d77780d7746e5c942

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
6a605fcb5a37526fd6cc8bfed85f4cf5

SHA1
35a131e7d7721e52824f34fb77072e11fca457f6

SHA256
19bdf6033eb576ec682289396751a4d0c67f6bf0798eab0d7f0be3ee6e763248

SHA512
de2ce899372fdbf7e6b8afb34cc0257df3ff63c8b14effd57082b9f82694da02ca10bef83ca7c34db3680f21c5c30fd6d9e6bb59aae2b17d77780d7746e5c942

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads