sakula | 14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1

General

Target

14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe
Size

152KB
MD5

b247d8d2930fc3c09f74b970cb61a9a0
SHA1

ae5ef29a8ddd3d90f84b925fd76f3ccf50190b10
SHA256

14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1
SHA512

ec8bb838d3cfa57ba2e44faf9a9ae3e3e4fa5a303107fd640da15d26029471790d9e7ac79febcd6696b47a10544ac9dd550f67af26f652671141b41f51dd0db4

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

1292 MediaCenter.exe

pid	process
1292	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:

14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.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"	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "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\Usage\DownloadMonthlyRateBkBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.023302"	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\MonthID = "2"	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\MemoryUsageKB = "4172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384"	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\UploadRatePct = "100"	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\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\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 (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\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
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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.547307"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333197"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\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\Config\KVFileExpirationTime = "132892907420925347"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\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\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1788 PING.EXE

pid	process
1788	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe

description	pid	process
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.execmd.exe

description	pid	process	target process
PID 2920 wrote to memory of 1292	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	MediaCenter.exe
PID 2920 wrote to memory of 1292	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	MediaCenter.exe
PID 2920 wrote to memory of 1292	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	MediaCenter.exe
PID 2920 wrote to memory of 3972	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	cmd.exe
PID 2920 wrote to memory of 3972	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	cmd.exe
PID 2920 wrote to memory of 3972	2920	14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe	cmd.exe
PID 3972 wrote to memory of 1788	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 1788	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 1788	3972	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe
"C:\Users\Admin\AppData\Local\Temp\14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1292

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14fe09fd75c7fad9355013e791fe6cc2157706dd37f51dc983b033bfa5149ff1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1788

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2616

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:2556

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:3892

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
f1c19affbf1c8e1d78983bea7c498837

SHA1
03c53d2e45dd8c139c7a6ff1f2417c33079819c7

SHA256
e4ec6fb36200831cf18c9742d25b9e19f78352793b27ab3f2ecf6aaae399ef90

SHA512
175bdff2fd822fc607b6f4d31c72c8ad47a02e504677d54a4e0ab0ba506fe7780315a8ae789c46533cb24010d7533e388ba2cdfb2bd28c8264b8add541712eec

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

MD5
f1c19affbf1c8e1d78983bea7c498837

SHA1
03c53d2e45dd8c139c7a6ff1f2417c33079819c7

SHA256
e4ec6fb36200831cf18c9742d25b9e19f78352793b27ab3f2ecf6aaae399ef90

SHA512
175bdff2fd822fc607b6f4d31c72c8ad47a02e504677d54a4e0ab0ba506fe7780315a8ae789c46533cb24010d7533e388ba2cdfb2bd28c8264b8add541712eec

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads