sakula | 16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335

General

Target

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe
Size

80KB
MD5

7ea1ebb599c76c0013e90bb7a9bed017
SHA1

78ef8698d9e515e1ed0676aafd89e4afb6efa782
SHA256

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335
SHA512

970e8462e231f826fd25abb030e0c03d71da270b5b0a93baff1127382fbc580ee3a119c70b4265e0944167196ebc710b2f86cad4ee1b4a55aa58e24094c37b8f

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

3624 MediaCenter.exe

pid	process
3624	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:

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.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"	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.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\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 (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\DownloadMonthlyRateFrCnt = "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\UplinkBps = "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	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\DownloadMonthlyGroupBytes = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
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\CDNConnectionCount = "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\GroupConnectionCount = "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\NormalDownloadPendingCount = "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\MonthID = "2"	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 = "2.479490"	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\DownloadMonthlyLinkLocalBytes = "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\DownlinkBps = "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\UploadRatePct = "100"	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\Usage\MemoryUsageKB = "4300"	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\MemoryUsageKB = "4092"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.111774"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892880333740786"	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\DownloadMonthlyLanBytes = "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\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\UploadCount = "0"	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\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

768 PING.EXE

pid	process
768	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.execmd.exe

description	pid	process	target process
PID 1296 wrote to memory of 3624	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	MediaCenter.exe
PID 1296 wrote to memory of 3624	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	MediaCenter.exe
PID 1296 wrote to memory of 3624	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	MediaCenter.exe
PID 1296 wrote to memory of 3408	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	cmd.exe
PID 1296 wrote to memory of 3408	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	cmd.exe
PID 1296 wrote to memory of 3408	1296	16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe	cmd.exe
PID 3408 wrote to memory of 768	3408	cmd.exe	PING.EXE
PID 3408 wrote to memory of 768	3408	cmd.exe	PING.EXE
PID 3408 wrote to memory of 768	3408	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe
"C:\Users\Admin\AppData\Local\Temp\16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3624

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16a13805ad37939d6f070dff5f4bd4b732a8c0371ccd0a137978ed31948b0335.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:768

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2476

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:3984

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:3628

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
83e376446d7e2adc86352c6f59449066

SHA1
d56708b3ad12b1db7b69d1437da20d3c11744ac0

SHA256
acaa14a60421f97899354f72c379923bc46bb21bfe3c1f50bf8f4dd81256b33d

SHA512
2b2efe689ed87757e639488553d4a5971c8ac3c7be959b7aba318388db99ad82e4112934dfac1a6e54db4c8e2b547a34663b752e0c730e4654682d9f6f62771b

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

MD5
83e376446d7e2adc86352c6f59449066

SHA1
d56708b3ad12b1db7b69d1437da20d3c11744ac0

SHA256
acaa14a60421f97899354f72c379923bc46bb21bfe3c1f50bf8f4dd81256b33d

SHA512
2b2efe689ed87757e639488553d4a5971c8ac3c7be959b7aba318388db99ad82e4112934dfac1a6e54db4c8e2b547a34663b752e0c730e4654682d9f6f62771b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads