sakula | 11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983

General

Target

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
Size

99KB
MD5

3c6c39becd961ee54bfbfb7d751cadac
SHA1

78bbd4e6cf38eafc34ffec9bd759fb8b1ae49ecc
SHA256

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983
SHA512

3d14d5b2e46de198af15a1472fafeccd1b42eb0a79ee8579e35fdde80e93f16dd83159a46f66fb223ee6ce84541df520c99d8e7ed659343ec5761772eaaf7545

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

2360 MediaCenter.exe

pid	process
2360	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:

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.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"	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.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\PeerInfoCount = "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\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\Config\KVFileExpirationTime = "132892946721686306"	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\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\FrDownloadRatePct = "90"	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\MonthID = "2"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.173927"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.878118"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownlinkBps = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\CacheSizeBytes = "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\UploadRatePct = "100"	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\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 (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\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 (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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\DownloadMonthlyCdnBytes = "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\UplinkBps = "0"	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 (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\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2180 PING.EXE

pid	process
2180	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.execmd.exe

description	pid	process	target process
PID 2388 wrote to memory of 2360	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	MediaCenter.exe
PID 2388 wrote to memory of 2360	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	MediaCenter.exe
PID 2388 wrote to memory of 2360	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	MediaCenter.exe
PID 2388 wrote to memory of 2476	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	cmd.exe
PID 2388 wrote to memory of 2476	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	cmd.exe
PID 2388 wrote to memory of 2476	2388	11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe	cmd.exe
PID 2476 wrote to memory of 2180	2476	cmd.exe	PING.EXE
PID 2476 wrote to memory of 2180	2476	cmd.exe	PING.EXE
PID 2476 wrote to memory of 2180	2476	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe
"C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2388

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2360

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11e9b985f32d7d89d97b0aa6d18bdcf3630e45514d90ed8c006b81b716b73983.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2180

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3596

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:3164

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:2788

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
6c1370550125c9a7265981192a23abfc

SHA1
567ad6b024e1c3f650623257e668ea61ea5fb242

SHA256
7eb4cfc1140244e31ef52f04ea9c505a62561790cce60faebe42e38b3f86122c

SHA512
62e1ad6da235ccd828faffd3cc3d441724d2cfafedd2604910b3429041b50328c3caf8cac181ad2d7e4b73fe106191df69c3b7e8b2ac9d797c354f356cc63720

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

MD5
6c1370550125c9a7265981192a23abfc

SHA1
567ad6b024e1c3f650623257e668ea61ea5fb242

SHA256
7eb4cfc1140244e31ef52f04ea9c505a62561790cce60faebe42e38b3f86122c

SHA512
62e1ad6da235ccd828faffd3cc3d441724d2cfafedd2604910b3429041b50328c3caf8cac181ad2d7e4b73fe106191df69c3b7e8b2ac9d797c354f356cc63720

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads