sakula | 14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb

General

Target

14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe
Size

192KB
MD5

48651f91cc1bfef258d884de99f4c733
SHA1

dc9162969810ac60749f6561df772a20d16bb9be
SHA256

14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb
SHA512

7acfc642722a056c516a17014af2fc40a47b3cf32bbfad5bb0966d9663bfb0533de8edbdbbe8fb900b6e6b7c7e1591217ce51636c489989f835a26d18759cdab

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

3812 MediaCenter.exe

pid	process
3812	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:

14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.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"	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.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\Usage\CDNConnectionCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\UplinkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.824809"	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\SwarmCount = "1"	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
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\Config\DODownloadMode = "1"	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\DownlinkBps = "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\FrDownloadRatePct = "90"	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 = "4092"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.247212"	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\PeerInfoCount = "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\NormalDownloadPendingCount = "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\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\Config\KVFileExpirationTime = "132892911054547229"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownloadMonthlyLanBytes = "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\InternetConnectionCount = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3508 PING.EXE

pid	process
3508	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe

description	pid	process
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.execmd.exe

description	pid	process	target process
PID 2104 wrote to memory of 3812	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	MediaCenter.exe
PID 2104 wrote to memory of 3812	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	MediaCenter.exe
PID 2104 wrote to memory of 3812	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	MediaCenter.exe
PID 2104 wrote to memory of 3880	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	cmd.exe
PID 2104 wrote to memory of 3880	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	cmd.exe
PID 2104 wrote to memory of 3880	2104	14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe	cmd.exe
PID 3880 wrote to memory of 3508	3880	cmd.exe	PING.EXE
PID 3880 wrote to memory of 3508	3880	cmd.exe	PING.EXE
PID 3880 wrote to memory of 3508	3880	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe
"C:\Users\Admin\AppData\Local\Temp\14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3812

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14b81dc1e3910e74507624db0e6dc26d6b5ccd73d7eab8c9f6a79f49aa48b1eb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3880

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3508

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2352

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:4080

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:3604

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
66afcec0d2f68ce58e7149796db12099

SHA1
026dcce04e04875423c3c078d898366e7ba7cb70

SHA256
a4e6115097a24f1c1d6a05a8fd2adf2a2b3d730e0f84de69cb87a9a1e4ce43d5

SHA512
89a3423ebf435407eae0282a5f458273d65c25e01a10657153e2f1ed5a5318fff5d14ddf85bf813780b2239aaf9a8c2bef328f236931ec1c9a81d5976bd2d78b

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

MD5
66afcec0d2f68ce58e7149796db12099

SHA1
026dcce04e04875423c3c078d898366e7ba7cb70

SHA256
a4e6115097a24f1c1d6a05a8fd2adf2a2b3d730e0f84de69cb87a9a1e4ce43d5

SHA512
89a3423ebf435407eae0282a5f458273d65c25e01a10657153e2f1ed5a5318fff5d14ddf85bf813780b2239aaf9a8c2bef328f236931ec1c9a81d5976bd2d78b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads