sakula | 09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065

General

Target

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe
Size

80KB
MD5

17542bf0f48c61047337019d8abf8f4d
SHA1

3afa149a4f977c4bbf443b5d1d8666841e55bd15
SHA256

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065
SHA512

0a770917ca49c7ece7ee0bd5bdb437a3b789b7aa696c019294630e16232fe4ec4e7d1d6138ed879ccf8e0102436b1a63927178e8555ce2462795f584269e319b

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

536 MediaCenter.exe

pid	process
536	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:

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.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"	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4280"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893086463908111"	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\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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.074294"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020"	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\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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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\UplinkBps = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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 (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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.060753"	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\SwarmCount = "1"	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\PriorityDownloadCount = "0"	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\UploadMonthlyInternetBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.363568"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1680 PING.EXE

pid	process
1680	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe
Token: SeBackupPrivilege	3252	TiWorker.exe
Token: SeRestorePrivilege	3252	TiWorker.exe
Token: SeSecurityPrivilege	3252	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.execmd.exe

description	pid	process	target process
PID 3824 wrote to memory of 536	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	MediaCenter.exe
PID 3824 wrote to memory of 536	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	MediaCenter.exe
PID 3824 wrote to memory of 536	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	MediaCenter.exe
PID 3824 wrote to memory of 3348	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	cmd.exe
PID 3824 wrote to memory of 3348	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	cmd.exe
PID 3824 wrote to memory of 3348	3824	09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe	cmd.exe
PID 3348 wrote to memory of 1680	3348	cmd.exe	PING.EXE
PID 3348 wrote to memory of 1680	3348	cmd.exe	PING.EXE
PID 3348 wrote to memory of 1680	3348	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe
"C:\Users\Admin\AppData\Local\Temp\09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09a43d23774be75b38d3950c8e1b48e813f25f761e0863aeae87bd7a910aa065.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3348

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1680

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3564

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:972

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:3252

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
676b632196aa4b8b988d699676b012e7

SHA1
a0f7c4d15580510a4be0c1d03396f7d56e6a6c9c

SHA256
5625550c2668ac1268366474808b0a3ce8c36987b2b168fea10ef0d9aaa6cd8e

SHA512
5bd9e14db856d2926b527efd093e906e00100cda58a3ed4caddb388e3a1e2d199a7f72ceb81fe64c560a051b906a63163c7b1890315e1d7da6ce5fadfa86a18c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
676b632196aa4b8b988d699676b012e7

SHA1
a0f7c4d15580510a4be0c1d03396f7d56e6a6c9c

SHA256
5625550c2668ac1268366474808b0a3ce8c36987b2b168fea10ef0d9aaa6cd8e

SHA512
5bd9e14db856d2926b527efd093e906e00100cda58a3ed4caddb388e3a1e2d199a7f72ceb81fe64c560a051b906a63163c7b1890315e1d7da6ce5fadfa86a18c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads