sakula | 15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a

General

Target

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe
Size

58KB
MD5

c551f52cdddb47d224cc89e71b914ff8
SHA1

3f6ae3cc8e65f225d10bd843e309fcaad55076bb
SHA256

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a
SHA512

f0399a067878b33d3f8ccae258f733343467152f7611f09db9bbbcd86133e0ed1e0e275ea9273a4405449285c996661354662a59b0cc4a81691eebfebd4af7ac

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

3684 MediaCenter.exe

pid	process
3684	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:

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.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"	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.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\DownloadMonthlyRateFrBps = "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\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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.075876"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.384184"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.311254"	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\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\Config\KVFileExpirationTime = "132892896251216790"	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\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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4256"	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\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\MemoryUsageKB = "4120"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\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\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\UplinkBps = "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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

852 PING.EXE

pid	process
852	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe
Token: SeBackupPrivilege	900	TiWorker.exe
Token: SeRestorePrivilege	900	TiWorker.exe
Token: SeSecurityPrivilege	900	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.execmd.exe

description	pid	process	target process
PID 3296 wrote to memory of 3684	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	MediaCenter.exe
PID 3296 wrote to memory of 3684	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	MediaCenter.exe
PID 3296 wrote to memory of 3684	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	MediaCenter.exe
PID 3296 wrote to memory of 1316	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	cmd.exe
PID 3296 wrote to memory of 1316	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	cmd.exe
PID 3296 wrote to memory of 1316	3296	15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe	cmd.exe
PID 1316 wrote to memory of 852	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 852	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 852	1316	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe
"C:\Users\Admin\AppData\Local\Temp\15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3684

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a036d77514c6fd47ea891166a3c7efbba5a7e06eb1d0c54b0eb0f875ded15a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:852

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3968

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:2212

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:900

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
4b7ea0713b17684a5ec3645c2bfe0125

SHA1
09aa8874a8b6e944d12da6464f64088c1e203475

SHA256
590810e6f78d836e3e15c59bbd1db74fb2170308bae005a9ce7c577dade9c278

SHA512
aefc0cba34fb5f9b8222efedd73ab2d570e130dbc1801dd342b11df8630b206e8651d9c92754d6a862ecbd55506ad5087abd439386d667a807da097b087cd32f

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

MD5
4b7ea0713b17684a5ec3645c2bfe0125

SHA1
09aa8874a8b6e944d12da6464f64088c1e203475

SHA256
590810e6f78d836e3e15c59bbd1db74fb2170308bae005a9ce7c577dade9c278

SHA512
aefc0cba34fb5f9b8222efedd73ab2d570e130dbc1801dd342b11df8630b206e8651d9c92754d6a862ecbd55506ad5087abd439386d667a807da097b087cd32f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads