sakula | 0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17

General

Target

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe
Size

116KB
MD5

c2ed32e6d63f080ba3d588d099f4ecd0
SHA1

5d543ddaa706bcdfab511fddd9d422228a0a13c0
SHA256

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17
SHA512

e4f5c94cabedef157693334390bff5dc147a6bdb823e99774faf2db33641165bbd601c92cef0b30537c58b884291ceead4c6ca86579e3c9538571b93e0596cc9

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/3540-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3816-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3816 MediaCenter.exe

pid	process
3816	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:

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.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"	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.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 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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyGroupBytes = "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\GroupConnectionCount = "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\PriorityDownloadCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.484569"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893039852010755"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.452773"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4400"	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 = "0.000000"	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\DownloadMonthlyLinkLocalBytes = "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\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\Usage\UploadCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	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\UploadMonthlyInternetBytes = "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\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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3184 PING.EXE

pid	process
3184	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.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:

0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.execmd.exe

description	pid	process	target process
PID 3540 wrote to memory of 3816	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	MediaCenter.exe
PID 3540 wrote to memory of 3816	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	MediaCenter.exe
PID 3540 wrote to memory of 3816	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	MediaCenter.exe
PID 3540 wrote to memory of 3460	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	cmd.exe
PID 3540 wrote to memory of 3460	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	cmd.exe
PID 3540 wrote to memory of 3460	3540	0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe	cmd.exe
PID 3460 wrote to memory of 3184	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 3184	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 3184	3460	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe
"C:\Users\Admin\AppData\Local\Temp\0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3816

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b630a844915b2ad3b75efb8a0dbc56c798a73f6dc11ef6aea324cc1aa816f17.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3184

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2440

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:2316

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
fb0d9b324b382236ff945b6403ce2e05

SHA1
5171eb001852f74a30780964a4342bd2966c1375

SHA256
82c97379b7557d23dd0dea2cc835d55f22ab8a89e5a810eafb81bc02ff0a8c22

SHA512
117dcc15ac9602b87c8329e67877c0b6ba1fffef03c8111827d3d7dc1bbe004703f52aee8e7a21bb4834a4cfd1aff5a84439d2d328cd80d4eb1abfba3a938d65

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

MD5
fb0d9b324b382236ff945b6403ce2e05

SHA1
5171eb001852f74a30780964a4342bd2966c1375

SHA256
82c97379b7557d23dd0dea2cc835d55f22ab8a89e5a810eafb81bc02ff0a8c22

SHA512
117dcc15ac9602b87c8329e67877c0b6ba1fffef03c8111827d3d7dc1bbe004703f52aee8e7a21bb4834a4cfd1aff5a84439d2d328cd80d4eb1abfba3a938d65

Download Submit
memory/3540-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3816-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads