sakula | 16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a

General

Target

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe
Size

36KB
MD5

3aaf6e82cf40e39ea037d5b4f906d546
SHA1

a98b9a3ae5814cbad8365f6eb5637ba0526f6f45
SHA256

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a
SHA512

c2459c9519354f3d9c8770beaeb45fa19c8627b533f8f9f3ba64613a8db58241656ca44d0af284ad9d7cf656a70877c2086bc615553278458195e7e24fbe42b8

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

1672 MediaCenter.exe

pid	process
1672	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:

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.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"	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\PeerInfoCount = "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\InternetConnectionCount = "0"	svchost.exe
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 = "1.098905"	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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4132"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892874765591365"	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\GroupConnectionCount = "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\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\NormalDownloadCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.346949"	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 = "1.704569"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\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\UplinkUsageBps = "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\Settings	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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "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\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\DownloadMonthlyRateFrBps = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2308 PING.EXE

pid	process
2308	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe
Token: SeBackupPrivilege	1412	TiWorker.exe
Token: SeRestorePrivilege	1412	TiWorker.exe
Token: SeSecurityPrivilege	1412	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.execmd.exe

description	pid	process	target process
PID 2324 wrote to memory of 1672	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	MediaCenter.exe
PID 2324 wrote to memory of 1672	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	MediaCenter.exe
PID 2324 wrote to memory of 1672	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	MediaCenter.exe
PID 2324 wrote to memory of 2860	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	cmd.exe
PID 2324 wrote to memory of 2860	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	cmd.exe
PID 2324 wrote to memory of 2860	2324	16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe	cmd.exe
PID 2860 wrote to memory of 2308	2860	cmd.exe	PING.EXE
PID 2860 wrote to memory of 2308	2860	cmd.exe	PING.EXE
PID 2860 wrote to memory of 2308	2860	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe
"C:\Users\Admin\AppData\Local\Temp\16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2324

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16f5137402119fce465593db8a66e8b9d1497650f396c4d89a2e6bfd1c0f250a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2308

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3620

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:3596

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:1412

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
d5d012840bd01dd5638953fb43459b51

SHA1
ef408358ce673470e6ccb64d08eaba21ff2dd4c2

SHA256
681c686eb243870c74dda868eec59e465bd1178a80008f4546ce7747dd7c6770

SHA512
6fbde7079ccd94fbd264c7d314ffbd4da210848ee71c9f1c9f058d0ac78bd1769598fc109e84a0532bb1e0dea637110be3a947ef5c9e71e9dede22b85675e959

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

MD5
d5d012840bd01dd5638953fb43459b51

SHA1
ef408358ce673470e6ccb64d08eaba21ff2dd4c2

SHA256
681c686eb243870c74dda868eec59e465bd1178a80008f4546ce7747dd7c6770

SHA512
6fbde7079ccd94fbd264c7d314ffbd4da210848ee71c9f1c9f058d0ac78bd1769598fc109e84a0532bb1e0dea637110be3a947ef5c9e71e9dede22b85675e959

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads