sakula | 15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e

General

Target

15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe
Size

150KB
MD5

4b1afc810f7064735de895546a4c43da
SHA1

71f6efbda242e75558c7bc4023157941527b5e04
SHA256

15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e
SHA512

5a59fa5bb0ce41b63d108295f8fcffac379aadc8fa1596ac83330a4749a3a06b854e7681da03514ed023905492cd2317f96ceba6a6074fae3bc6d15771de6475

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

2160 MediaCenter.exe

pid	process
2160	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:

15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.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"	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144732"	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 (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\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "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
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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "17.853209"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "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\CDNConnectionCount = "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\DownlinkBps = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892889260602053"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.872684"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244"	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\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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3992 PING.EXE

pid	process
3992	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe

description	pid	process
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeIncBasePriorityPrivilege	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe
Token: SeBackupPrivilege	3548	TiWorker.exe
Token: SeRestorePrivilege	3548	TiWorker.exe
Token: SeSecurityPrivilege	3548	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.execmd.exe

description	pid	process	target process
PID 464 wrote to memory of 2160	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	MediaCenter.exe
PID 464 wrote to memory of 2160	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	MediaCenter.exe
PID 464 wrote to memory of 2160	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	MediaCenter.exe
PID 464 wrote to memory of 1312	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	cmd.exe
PID 464 wrote to memory of 1312	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	cmd.exe
PID 464 wrote to memory of 1312	464	15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe	cmd.exe
PID 1312 wrote to memory of 3992	1312	cmd.exe	PING.EXE
PID 1312 wrote to memory of 3992	1312	cmd.exe	PING.EXE
PID 1312 wrote to memory of 3992	1312	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe
"C:\Users\Admin\AppData\Local\Temp\15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2160

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15fec5c2114e502ebeb84a18de37b6fd382b2c67f47d204fafd32b8b106fbc9e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3992

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2484

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:3504

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:3548

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
a55f20d9e0f4cc2cdabac32d1988a9f6

SHA1
884eefaad02f02b381af230377dc82aaf0fcccef

SHA256
e1148589565aa2919a74abb064cf4f82e3037800630712d58d14943d295bb9c1

SHA512
b7217c4cf9a7020768b95e02e71ea46a5550af87b1fcb3b9989247ec8cc5183e89ab34bbb4592ca21995b0ef9cda18820086f76e546e8413d24d2fd6347c2747

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

MD5
a55f20d9e0f4cc2cdabac32d1988a9f6

SHA1
884eefaad02f02b381af230377dc82aaf0fcccef

SHA256
e1148589565aa2919a74abb064cf4f82e3037800630712d58d14943d295bb9c1

SHA512
b7217c4cf9a7020768b95e02e71ea46a5550af87b1fcb3b9989247ec8cc5183e89ab34bbb4592ca21995b0ef9cda18820086f76e546e8413d24d2fd6347c2747

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads