sakula | 09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3

General

Target

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe
Size

89KB
MD5

ad2ba37d4a2bfd4d1dd02d0ebb74aa19
SHA1

5e96b3093f2c75ca95296a225a1f124458125edc
SHA256

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3
SHA512

52090137c162664f03b7239867afcc44b17e3e6bdabb34cde9d22cf90d310e4e1bb35ccff5998e532ac3a04a1d57640da4dc5e15787f50e41c8f98ee537ecdb0

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 4 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/2564-132-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral2/memory/3708-133-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3708 MediaCenter.exe

pid	process
3708	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:

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.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"	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.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 (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\PeerInfoCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\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\UploadCount = "0"	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	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\DownlinkUsageBps = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\Config\KVFileExpirationTime = "132893085399630564"	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\MemoryUsageKB = "4296"	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\UploadMonthlyLanBytes = "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\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 (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\PriorityDownloadCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.000106"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999986"	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
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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.501800"	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\InternetConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3852 PING.EXE

pid	process
3852	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.execmd.exe

description	pid	process	target process
PID 2564 wrote to memory of 3708	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	MediaCenter.exe
PID 2564 wrote to memory of 3708	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	MediaCenter.exe
PID 2564 wrote to memory of 3708	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	MediaCenter.exe
PID 2564 wrote to memory of 3988	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	cmd.exe
PID 2564 wrote to memory of 3988	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	cmd.exe
PID 2564 wrote to memory of 3988	2564	09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe	cmd.exe
PID 3988 wrote to memory of 3852	3988	cmd.exe	PING.EXE
PID 3988 wrote to memory of 3852	3988	cmd.exe	PING.EXE
PID 3988 wrote to memory of 3852	3988	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe
"C:\Users\Admin\AppData\Local\Temp\09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3708

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09adc10f86805d09ea113f969fad1715622a166fcaf690933acaf9b3dcfcdfd3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3988

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3852

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2412

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:3068

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:1200

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f48ec617b6021bac62279fc85ba0f40e

SHA1
3cb28201c807027a4cf6bb2fb3048319d91591b3

SHA256
aa0863da57f0f0991c0d604b7c67bc660fdf82ef4eab64f065b24b89b53748f8

SHA512
911b83bdf30963428e16ec7919c7be8e363a359f41877427fb64d3e885a5e649e420287783fc5760fec4a2aee68d36e3f947721740247f24683a1e818e61b275

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f48ec617b6021bac62279fc85ba0f40e

SHA1
3cb28201c807027a4cf6bb2fb3048319d91591b3

SHA256
aa0863da57f0f0991c0d604b7c67bc660fdf82ef4eab64f065b24b89b53748f8

SHA512
911b83bdf30963428e16ec7919c7be8e363a359f41877427fb64d3e885a5e649e420287783fc5760fec4a2aee68d36e3f947721740247f24683a1e818e61b275

Download Submit
memory/2564-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3708-133-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads