sakula | 188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb

General

Target

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe
Size

35KB
MD5

7062ce05a6f47a1782683533f4609dc5
SHA1

25fcf52f4af9e37baf4c7d5d5cba817a9bf8b3fd
SHA256

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb
SHA512

d15fe5fc98ab9bb9730c116f06eb1da3e22d227b8bcfef241d21fb6c27ac80ce0a8c6f5fe35a92e24c0945d0521bb39f1bb9823ed02fd64bbebee46ff0822be3

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2076 MediaCenter.exe

pid	process
2076	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:

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.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"	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.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

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\DownloadMonthlyInternetBytes = "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 = "0.018349"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\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\MonthlyUploadRestriction = "0"	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\InternetConnectionCount = "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 (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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892853008600798"	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\MemoryUsageKB = "4160"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\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\CDNConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.415090"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\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\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\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3484 PING.EXE

pid	process
3484	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe
Token: SeBackupPrivilege	4072	TiWorker.exe
Token: SeRestorePrivilege	4072	TiWorker.exe
Token: SeSecurityPrivilege	4072	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.execmd.exe

description	pid	process	target process
PID 2900 wrote to memory of 2076	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	MediaCenter.exe
PID 2900 wrote to memory of 2076	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	MediaCenter.exe
PID 2900 wrote to memory of 2076	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	MediaCenter.exe
PID 2900 wrote to memory of 228	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	cmd.exe
PID 2900 wrote to memory of 228	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	cmd.exe
PID 2900 wrote to memory of 228	2900	188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe	cmd.exe
PID 228 wrote to memory of 3484	228	cmd.exe	PING.EXE
PID 228 wrote to memory of 3484	228	cmd.exe	PING.EXE
PID 228 wrote to memory of 3484	228	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe
"C:\Users\Admin\AppData\Local\Temp\188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2076

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\188ebb3388b4aacfcbe7eaa25f6b0f909b1ace31577cb2a28557405c487f2beb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:228

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3484

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:4092

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:4072

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
adce976204ad668aee7809e53f414413

SHA1
b33eb69dc4785ae20f4b139fb11e785b7592a692

SHA256
f51817e2ace2c7ae861c229d7e8a80c89eb3f4311a205700a699d3b3747a9f29

SHA512
d66a04a93f905513d01df77632ae0cf9e60a475201907aab7f92e607770f49b30821cc278f3244d8ac20f93b792f3e13433fd1c3876fc4f8bab7df2f342ce6b2

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

MD5
adce976204ad668aee7809e53f414413

SHA1
b33eb69dc4785ae20f4b139fb11e785b7592a692

SHA256
f51817e2ace2c7ae861c229d7e8a80c89eb3f4311a205700a699d3b3747a9f29

SHA512
d66a04a93f905513d01df77632ae0cf9e60a475201907aab7f92e607770f49b30821cc278f3244d8ac20f93b792f3e13433fd1c3876fc4f8bab7df2f342ce6b2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads