sakula | 129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6

General

Target

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe
Size

216KB
MD5

4036a9a1690f16b8606903c31d65bbd8
SHA1

eaa7f592efdcb4f88e88c06eb65004ac97b5b6ce
SHA256

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6
SHA512

85e17faf692f6756a5ac8c76a4a963862a4cefe99ebdeed8d0ac36fc32a8dd1d85884aa4ffec3d5ef29ff727a3824a11a688e4d32ad5026f3d67034a44fcadb8

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 3 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
behavioral2/memory/2280-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1120 MediaCenter.exe

pid	process
1120	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:

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.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"	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\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\NormalDownloadCount = "0"	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\DownloadMonthlyRateBkCnt = "0"	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\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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.032425"	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\MemoryUsageKB = "4196"	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
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\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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkBps = "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\Config\KVFileExpirationTime = "132892939051340870"	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\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 (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 = "4072"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.497560"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.185677"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\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\CDNConnectionCount = "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\UplinkUsageBps = "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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3204 PING.EXE

pid	process
3204	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.execmd.exe

description	pid	process	target process
PID 2280 wrote to memory of 1120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	MediaCenter.exe
PID 2280 wrote to memory of 1120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	MediaCenter.exe
PID 2280 wrote to memory of 1120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	MediaCenter.exe
PID 2280 wrote to memory of 2120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	cmd.exe
PID 2280 wrote to memory of 2120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	cmd.exe
PID 2280 wrote to memory of 2120	2280	129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe	cmd.exe
PID 2120 wrote to memory of 3204	2120	cmd.exe	PING.EXE
PID 2120 wrote to memory of 3204	2120	cmd.exe	PING.EXE
PID 2120 wrote to memory of 3204	2120	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe
"C:\Users\Admin\AppData\Local\Temp\129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1120

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\129803565deda8669d375d2ce8cdb421475202088e605cea915db5ba2f2fbda6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2120

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3204

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1840

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:3784

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:3924

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
745ed581cb14a5f8fd44b3461b3088a6

SHA1
fd39a42d8d67ca3353158f808688f92b99cae2ce

SHA256
52a430753b51ad9448845186c8755008408050ca5acdd9d2b94d1fd74336fcb9

SHA512
0e23f4aa8b54598a9f5a5c74af87a632c0f518070a169f82d40814292dec233e0ba4bf04a8c4b7c1c35e221d2bf65f74c71c8d1178a124be87f610b5870739a6

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

MD5
745ed581cb14a5f8fd44b3461b3088a6

SHA1
fd39a42d8d67ca3353158f808688f92b99cae2ce

SHA256
52a430753b51ad9448845186c8755008408050ca5acdd9d2b94d1fd74336fcb9

SHA512
0e23f4aa8b54598a9f5a5c74af87a632c0f518070a169f82d40814292dec233e0ba4bf04a8c4b7c1c35e221d2bf65f74c71c8d1178a124be87f610b5870739a6

Download Submit
memory/2280-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads