sakula | 165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac

General

Target

165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe
Size

36KB
MD5

78cffa9310e94c40f9d74d2a8ce16f1d
SHA1

94266dd291dd2f2e2249042aac9ad8eb032a1478
SHA256

165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac
SHA512

cd4391b5141479b3f1a628edfd2b8ad9f23019404380ac5faacac99dd2df2b2640d9c94aa1041076d0b8565e9e1b359a18a87f2fc7fe52e410803ce6ad24e503

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

676 MediaCenter.exe

pid	process
676	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:

165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.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"	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.334373"	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\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 (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\NormalDownloadCount = "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 = "4320"	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\CacheSizeBytes = "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\InternetConnectionCount = "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\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\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\MemoryUsageKB = "4140"	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\SwarmCount = "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\DownloadMonthlyInternetBytes = "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\UploadRatePct = "100"	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 (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\Usage\LANConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.050565"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\Usage	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\DownloadMonthlyLinkLocalBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\KVFileExpirationTime = "132892884212302274"	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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3892 PING.EXE

pid	process
3892	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe

description	pid	process
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeIncBasePriorityPrivilege	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe
Token: SeBackupPrivilege	3784	TiWorker.exe
Token: SeRestorePrivilege	3784	TiWorker.exe
Token: SeSecurityPrivilege	3784	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.execmd.exe

description	pid	process	target process
PID 204 wrote to memory of 676	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	MediaCenter.exe
PID 204 wrote to memory of 676	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	MediaCenter.exe
PID 204 wrote to memory of 676	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	MediaCenter.exe
PID 204 wrote to memory of 2580	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	cmd.exe
PID 204 wrote to memory of 2580	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	cmd.exe
PID 204 wrote to memory of 2580	204	165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe	cmd.exe
PID 2580 wrote to memory of 3892	2580	cmd.exe	PING.EXE
PID 2580 wrote to memory of 3892	2580	cmd.exe	PING.EXE
PID 2580 wrote to memory of 3892	2580	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe
"C:\Users\Admin\AppData\Local\Temp\165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:204

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\165b7ea2fc6de0a36023727942e0038bbd68397b702d2f186a621342fbfb33ac.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3892

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3736

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:1764

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:3784

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
c8e59d6ee4432b8ff923a2deb8b69686

SHA1
4d2bf6d1c62ee3cf09445e15ad93c6f2b10efff4

SHA256
4d4951b5ad9c44efa1c188a08943ccc1716b465ed31fa964f2695270799cc0f4

SHA512
7646de3da982ea16f3429fcd2ae40aebabff15f156124ad11775a6a2378c946483317fa4d4ec82f53d27ee05ff05323ebf02b50e27a1a6eec0509d234269741f

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

MD5
c8e59d6ee4432b8ff923a2deb8b69686

SHA1
4d2bf6d1c62ee3cf09445e15ad93c6f2b10efff4

SHA256
4d4951b5ad9c44efa1c188a08943ccc1716b465ed31fa964f2695270799cc0f4

SHA512
7646de3da982ea16f3429fcd2ae40aebabff15f156124ad11775a6a2378c946483317fa4d4ec82f53d27ee05ff05323ebf02b50e27a1a6eec0509d234269741f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads