sakula | 16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e

General

Target

16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe
Size

150KB
MD5

174b5a3d3fc62bc9c51aa9676ec22bf8
SHA1

ccf17924d38e78374028d7a4584e00cf8da213ba
SHA256

16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e
SHA512

c78022dac820f7c809c3e3e346281682654b148bec327a58e0cdaa463322ecc1d79b75504676891097563f36e6dabe427575325365c67f45669a88308180496d

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

3804 MediaCenter.exe

pid	process
3804	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:

16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.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"	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyLanBytes = "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\Usage\PeerInfoCount = "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\Config\DownloadMode_BackCompat = "1"	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\CacheSizeBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.000044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892877839558821"	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\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\LANConnectionCount = "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\Config	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4052"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.100929"	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\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\FrDownloadRatePct = "90"	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\Usage\CPUpct = "6.248810"	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\DownloadMonthlyInternetBytes = "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\UploadCount = "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 = "4344"	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\DownloadMonthlyLinkLocalBytes = "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\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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4020 PING.EXE

pid	process
4020	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe
Token: SeRestorePrivilege	376	TiWorker.exe
Token: SeSecurityPrivilege	376	TiWorker.exe
Token: SeBackupPrivilege	376	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.execmd.exe

description	pid	process	target process
PID 3952 wrote to memory of 3804	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	MediaCenter.exe
PID 3952 wrote to memory of 3804	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	MediaCenter.exe
PID 3952 wrote to memory of 3804	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	MediaCenter.exe
PID 3952 wrote to memory of 3052	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	cmd.exe
PID 3952 wrote to memory of 3052	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	cmd.exe
PID 3952 wrote to memory of 3052	3952	16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe	cmd.exe
PID 3052 wrote to memory of 4020	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 4020	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 4020	3052	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe
"C:\Users\Admin\AppData\Local\Temp\16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3952

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16c12e4498112e163766a81dd77db105461a866bad3c35cc8b120aedc6bdfb3e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3052

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4020

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3876

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:2060

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:376

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
88ff360795fe7a6120d956e6579d51f8

SHA1
d13f7354ccae8b6689460f45116e63fd394a36a5

SHA256
0d78c06d0832453f50cff7e7da3dcac1cdb7096bd486a36d5f0d3f229c94636d

SHA512
a545accec0576f714f476a5dceba738086083c084655493c612545cc53cbf04a8e579db8d4ff0ea5d222698a98efa986995648720e1c50e5ecaa6aab49bffadb

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

MD5
88ff360795fe7a6120d956e6579d51f8

SHA1
d13f7354ccae8b6689460f45116e63fd394a36a5

SHA256
0d78c06d0832453f50cff7e7da3dcac1cdb7096bd486a36d5f0d3f229c94636d

SHA512
a545accec0576f714f476a5dceba738086083c084655493c612545cc53cbf04a8e579db8d4ff0ea5d222698a98efa986995648720e1c50e5ecaa6aab49bffadb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads