sakula | 13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41

General

Target

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe
Size

99KB
MD5

38700e5250dfb70cd18e5992fbb46250
SHA1

0986b7a21dcbaf0a6e3016df44108f86185c4626
SHA256

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41
SHA512

e27de1dfff760e6067a4899dd8269b6778e285b0066876b02136a2b48db2e00ff6336335e4a7511704892e5dfab8576f999a1cd74e4389a6290383828648fcf1

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

3908 MediaCenter.exe

pid	process
3908	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:

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.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"	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\DownloadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "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\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 = "0.295857"	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\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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.417165"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\Settings	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\MemoryUsageKB = "4224"	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\KVFileExpirationTime = "132892920388616980"	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\BkDownloadRatePct = "45"	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\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
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\DownlinkBps = "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\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\UploadCount = "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\PriorityDownloadCount = "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\UploadMonthlyLanBytes = "0"	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\Usage\CPUpct = "0.000000"	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\InternetConnectionCount = "0"	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\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 (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\SwarmCount = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4044 PING.EXE

pid	process
4044	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe
Token: SeBackupPrivilege	1428	TiWorker.exe
Token: SeRestorePrivilege	1428	TiWorker.exe
Token: SeSecurityPrivilege	1428	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.execmd.exe

description	pid	process	target process
PID 3172 wrote to memory of 3908	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	MediaCenter.exe
PID 3172 wrote to memory of 3908	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	MediaCenter.exe
PID 3172 wrote to memory of 3908	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	MediaCenter.exe
PID 3172 wrote to memory of 3328	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	cmd.exe
PID 3172 wrote to memory of 3328	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	cmd.exe
PID 3172 wrote to memory of 3328	3172	13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe	cmd.exe
PID 3328 wrote to memory of 4044	3328	cmd.exe	PING.EXE
PID 3328 wrote to memory of 4044	3328	cmd.exe	PING.EXE
PID 3328 wrote to memory of 4044	3328	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe
"C:\Users\Admin\AppData\Local\Temp\13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13ecf244eee7deea36b2c25c3d54e46a85f03152e53bc0ca2b2af757b5aa8e41.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3328

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4044

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3952

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:616

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:1428

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
4353381a02a7ae428a3bdd5a0c5ea3a7

SHA1
b6a74a4bce0b527ecfa1fae7c59a781b23016be8

SHA256
6920377993677bbbcb14b8627f31f4b5376d1c9647d9b9c406db28e55c4f4a63

SHA512
c7226d3533be21ff17c0e6339e4a48f22c960434862b22b2d0eae0d0f6f3434a84b9a0d7ec403905eacfe6f5e4f94c7ebd12a750c43bb2a8bd28fd6fa83c9fba

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

MD5
4353381a02a7ae428a3bdd5a0c5ea3a7

SHA1
b6a74a4bce0b527ecfa1fae7c59a781b23016be8

SHA256
6920377993677bbbcb14b8627f31f4b5376d1c9647d9b9c406db28e55c4f4a63

SHA512
c7226d3533be21ff17c0e6339e4a48f22c960434862b22b2d0eae0d0f6f3434a84b9a0d7ec403905eacfe6f5e4f94c7ebd12a750c43bb2a8bd28fd6fa83c9fba

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads