sakula | 09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c

General

Target

09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe
Size

36KB
MD5

375d1af47b9a149210283f9e29816296
SHA1

1c197b80c7a8b295257ce8488bb1ed3ba6aa39a9
SHA256

09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c
SHA512

942b1c7037d384188cf9b3a6f3962c944093362ddfbf8e5de815d235fe5b4d4d5a8547146e7454cf97e6884e840d1a3caf1dcd3fb3db26e1ee4ecb81fbd8470d

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

4028 MediaCenter.exe

pid	process
4028	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:

09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.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"	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadCount = "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\DownloadMonthlyRateFrCnt = "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\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\UplinkBps = "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\MemoryUsageKB = "4176"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.668892"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.033417"	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\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\LinkLocalConnectionCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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 (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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\DownlinkUsageBps = "0"	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 = "2.127655"	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\SwarmCount = "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\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 (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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893090036928010"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3932"	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\LANConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.331859"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3640 PING.EXE

pid	process
3640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe

description	pid	process
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.execmd.exe

description	pid	process	target process
PID 3852 wrote to memory of 4028	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	MediaCenter.exe
PID 3852 wrote to memory of 4028	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	MediaCenter.exe
PID 3852 wrote to memory of 4028	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	MediaCenter.exe
PID 3852 wrote to memory of 1552	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	cmd.exe
PID 3852 wrote to memory of 1552	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	cmd.exe
PID 3852 wrote to memory of 1552	3852	09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe	cmd.exe
PID 1552 wrote to memory of 3640	1552	cmd.exe	PING.EXE
PID 1552 wrote to memory of 3640	1552	cmd.exe	PING.EXE
PID 1552 wrote to memory of 3640	1552	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe
"C:\Users\Admin\AppData\Local\Temp\09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09448f9c8972983e8a143eb424264fee50d3da7cfcfa6990886daa14a4731e7c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3648

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:3728

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:2668

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
36f67055a8b94a303fa0036c73709809

SHA1
4e2909d5930d1e67cd81796706b65a876fa7382c

SHA256
bf597fc67d09bcd354e5c9f8c1529eaacd13269dea438e1071a881b593c1ccc6

SHA512
307213032c845451c07da653d2fd7ad2eddf7e86c236faaea770c7d22089de706d71b2d5c4a852db93f6f25d6ad89fad9a8b216b41ba581ea2cc1eec9fff7071

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
36f67055a8b94a303fa0036c73709809

SHA1
4e2909d5930d1e67cd81796706b65a876fa7382c

SHA256
bf597fc67d09bcd354e5c9f8c1529eaacd13269dea438e1071a881b593c1ccc6

SHA512
307213032c845451c07da653d2fd7ad2eddf7e86c236faaea770c7d22089de706d71b2d5c4a852db93f6f25d6ad89fad9a8b216b41ba581ea2cc1eec9fff7071

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads