sakula | 0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269

General

Target

0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe
Size

80KB
MD5

80b0ba58ef46124002fb5584ef0a3b87
SHA1

7179a1fd51dc8cb634ed01087249883a2f890d9e
SHA256

0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269
SHA512

b87f6f630d1cdce8326ac7a5044c891ab0c934d65662d113d3033a2e91b68bd9c6e2d4339e131932fc717a1ad5ec53dbc0524607c682aed09011e65c5ee04b52

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

2488 MediaCenter.exe

pid	process
2488	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:

0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.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"	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\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\UplinkUsageBps = "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 = "1.351197"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	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\DownloadMonthlyLanBytes = "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 (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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892974861007736"	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\UplinkBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249313"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006615"	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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "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\MemoryUsageKB = "4372"	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\CDNConnectionCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.054125"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	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\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 (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\MonthlyUploadRestriction = "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\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\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1528 PING.EXE

pid	process
1528	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe

description	pid	process
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.execmd.exe

description	pid	process	target process
PID 1728 wrote to memory of 2488	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	MediaCenter.exe
PID 1728 wrote to memory of 2488	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	MediaCenter.exe
PID 1728 wrote to memory of 2488	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	MediaCenter.exe
PID 1728 wrote to memory of 1516	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	cmd.exe
PID 1728 wrote to memory of 1516	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	cmd.exe
PID 1728 wrote to memory of 1516	1728	0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe	cmd.exe
PID 1516 wrote to memory of 1528	1516	cmd.exe	PING.EXE
PID 1516 wrote to memory of 1528	1516	cmd.exe	PING.EXE
PID 1516 wrote to memory of 1528	1516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe
"C:\Users\Admin\AppData\Local\Temp\0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2488

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fe1687c63b2744f08299f7fc3511b80d9bbcf161728ed04dd093fa1a6498269.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1528

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2024

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:3780

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:2324

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
4ad6c91fdccea14d7b487daf8204861d

SHA1
33b8c433888074ef1c289902b4e1bd530871f6a6

SHA256
55a4c1fd7913abaddb368167710c031298fc69b8ab04580aea2d2c66b40c68f8

SHA512
c4efb49507b2b25e484079b23f14d5b592cacb86c37543c3dfd4906e039fb3c5ca70ca972051cf4ca14b6a0363aa5310cb3deca095bf9a1f562f191207a1da4f

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

MD5
4ad6c91fdccea14d7b487daf8204861d

SHA1
33b8c433888074ef1c289902b4e1bd530871f6a6

SHA256
55a4c1fd7913abaddb368167710c031298fc69b8ab04580aea2d2c66b40c68f8

SHA512
c4efb49507b2b25e484079b23f14d5b592cacb86c37543c3dfd4906e039fb3c5ca70ca972051cf4ca14b6a0363aa5310cb3deca095bf9a1f562f191207a1da4f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads