sakula | 0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f

General

Target

0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe
Size

176KB
MD5

4f2e7a99aed5c9edf13fce5053d845c4
SHA1

05c2652699221730887ac7f3cf0e2c3595b438be
SHA256

0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f
SHA512

3ef8897e3e8a52c4bd7b456687a10e4e683686d4c5911cbf9889d74f6bca9bb540bc448d1cbea9596423aef1721831925c909aebeba9e14fff83b8fc63926076

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/1280-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1388 MediaCenter.exe

pid	process
1388	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:

0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.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"	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.246309"	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\DownlinkUsageBps = "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	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\BkDownloadRatePct = "45"	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
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\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\MemoryUsageKB = "4304"	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\DownloadMonthlyCacheHostBytes = "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\Usage\FrDownloadRatePct = "90"	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\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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132893031564961527"	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\CacheSizeBytes = "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\MonthID = "2"	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
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\Config\DODownloadMode = "1"	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\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\DownloadMonthlyCdnBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.181809"	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\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\SwarmCount = "1"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2436 PING.EXE

pid	process
2436	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe

description	pid	process
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe
Token: SeBackupPrivilege	3244	TiWorker.exe
Token: SeRestorePrivilege	3244	TiWorker.exe
Token: SeSecurityPrivilege	3244	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 1388	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	MediaCenter.exe
PID 1280 wrote to memory of 1388	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	MediaCenter.exe
PID 1280 wrote to memory of 1388	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	MediaCenter.exe
PID 1280 wrote to memory of 3372	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	cmd.exe
PID 1280 wrote to memory of 3372	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	cmd.exe
PID 1280 wrote to memory of 3372	1280	0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe	cmd.exe
PID 3372 wrote to memory of 2436	3372	cmd.exe	PING.EXE
PID 3372 wrote to memory of 2436	3372	cmd.exe	PING.EXE
PID 3372 wrote to memory of 2436	3372	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe
"C:\Users\Admin\AppData\Local\Temp\0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1388

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bd9866ebf0aacd07429ec32f9a8e4aef2580e47132ee2769fff3df95cb5282f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2436

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3892

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:1808

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:3244

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
82718dc3b804f1d855184f59951915ca

SHA1
e2f9dfa0dad0522402b3c348f30d39eb59092058

SHA256
66462bed37060f2a5afc72e4a64a88ad29b1f6f602e1c95bd0f9722a6822d0a6

SHA512
a01ffba8ea49e8824f66e04ded812e995f6058ed9c56f1d944af94ba54fbeec7f177d7ca55c11922e0c8018297ab232bff1a7e3c1a2393bdf84e401f5da0f9d7

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

MD5
82718dc3b804f1d855184f59951915ca

SHA1
e2f9dfa0dad0522402b3c348f30d39eb59092058

SHA256
66462bed37060f2a5afc72e4a64a88ad29b1f6f602e1c95bd0f9722a6822d0a6

SHA512
a01ffba8ea49e8824f66e04ded812e995f6058ed9c56f1d944af94ba54fbeec7f177d7ca55c11922e0c8018297ab232bff1a7e3c1a2393bdf84e401f5da0f9d7

Download Submit
memory/1280-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads