sakula | 1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542

General

Target

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe
Size

216KB
MD5

b0e26c0f6b4f5918574a7ea6cb406af8
SHA1

9b00781c9a16bb2131253818093b436dc3a9d3a7
SHA256

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542
SHA512

ef1c1ff8ab9c5d0321ccb37289c69e6713010894a842b88d71a17f4c7c07cd9ccf973405c549959730311f348b87625bbefdbc32d058f6c2ea2e67dcec5d8f28

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 3 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
behavioral2/memory/204-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3972 MediaCenter.exe

pid	process
3972	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:

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.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"	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\DownloadMonthlyLinkLocalBytes = "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
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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	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\Config\DODownloadMode = "1"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892939737441561"	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\MemoryUsageKB = "4312"	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\SwarmCount = "1"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\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\DownlinkUsageBps = "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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.478210"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846635"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\UploadMonthlyLanBytes = "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\UplinkBps = "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\PriorityDownloadPendingCount = "0"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3420 PING.EXE

pid	process
3420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.execmd.exe

description	pid	process	target process
PID 204 wrote to memory of 3972	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	MediaCenter.exe
PID 204 wrote to memory of 3972	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	MediaCenter.exe
PID 204 wrote to memory of 3972	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	MediaCenter.exe
PID 204 wrote to memory of 536	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	cmd.exe
PID 204 wrote to memory of 536	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	cmd.exe
PID 204 wrote to memory of 536	204	1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe	cmd.exe
PID 536 wrote to memory of 3420	536	cmd.exe	PING.EXE
PID 536 wrote to memory of 3420	536	cmd.exe	PING.EXE
PID 536 wrote to memory of 3420	536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe
"C:\Users\Admin\AppData\Local\Temp\1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:204

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1287940357da4bcf15f37ac71e6f5ea0530747e183cb9ad0a3ea806695dfd542.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1632

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:872

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:2204

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
3667f93268a2e7c2f1a9af6ee8bf8131

SHA1
0977266413262753691d9b234bb0d093df883b51

SHA256
5bd0ae7f456c8c6f01ddd079d1eb57803b94b6a60f8639ff32456cbdeaf3e589

SHA512
5a3be981b15dc17dfca5ad2d9ffdfbc860da3862f99ced4739b4b2601bd50b11308d77e599fe8984be7b92c60f97854f61a0e62d0ef5ff3c6a42940a396b0f30

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

MD5
3667f93268a2e7c2f1a9af6ee8bf8131

SHA1
0977266413262753691d9b234bb0d093df883b51

SHA256
5bd0ae7f456c8c6f01ddd079d1eb57803b94b6a60f8639ff32456cbdeaf3e589

SHA512
5a3be981b15dc17dfca5ad2d9ffdfbc860da3862f99ced4739b4b2601bd50b11308d77e599fe8984be7b92c60f97854f61a0e62d0ef5ff3c6a42940a396b0f30

Download Submit
memory/204-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads