sakula | 04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec

General

Target

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe
Size

58KB
MD5

e8d7a7eaf9a211f776b41cf2dda37def
SHA1

0b742e778d596e4f62cd933146b490910f36cbb0
SHA256

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec
SHA512

692004d2f9ce132023139da068eb37a33def91fc2cfefb63f6a1e0e1fbc51f259911a92bc045cf179a8bcc140077c7db325e7901edfb0996d9672742cb17deba

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

3936 MediaCenter.exe

pid	process
3936	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:

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.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"	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\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\DownloadMonthlyLinkLocalBytes = "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
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\MemoryUsageKB = "4088"	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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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\Config\KVFileExpirationTime = "132893157935077250"	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\MonthlyUploadRestriction = "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 = "6.249515"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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
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\DownloadMonthlyCdnBytes = "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 = "3.797487"	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\CacheSizeBytes = "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\MemoryUsageKB = "4300"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3760 PING.EXE

pid	process
3760	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe
Token: SeBackupPrivilege	3692	TiWorker.exe
Token: SeRestorePrivilege	3692	TiWorker.exe
Token: SeSecurityPrivilege	3692	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.execmd.exe

description	pid	process	target process
PID 2612 wrote to memory of 3936	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	MediaCenter.exe
PID 2612 wrote to memory of 3936	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	MediaCenter.exe
PID 2612 wrote to memory of 3936	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	MediaCenter.exe
PID 2612 wrote to memory of 3412	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	cmd.exe
PID 2612 wrote to memory of 3412	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	cmd.exe
PID 2612 wrote to memory of 3412	2612	04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe	cmd.exe
PID 3412 wrote to memory of 3760	3412	cmd.exe	PING.EXE
PID 3412 wrote to memory of 3760	3412	cmd.exe	PING.EXE
PID 3412 wrote to memory of 3760	3412	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe
"C:\Users\Admin\AppData\Local\Temp\04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3936

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04ea93a8bcb4c9df7f8d8f804dcfd085c7288f9e26b9246810a6a92f7ee7f4ec.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3760

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3708

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:1344

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:3692

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
201a392f65d2117bcf4403a8d303fd78

SHA1
6cc24a62890cc5859bb7456c115cf1f911208ec2

SHA256
d043588e7d1565ef2228a3478808eec8e866ff38a86798041cfb88242135661b

SHA512
a112a84026932bbccdc24a1bec9a05da239916c230d8d45d8b7aec2e0e3e4f88cbf83a5429b95b8c79e58149750cb54a025b66bb0b8cdcd1d1dbd18caac424b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
201a392f65d2117bcf4403a8d303fd78

SHA1
6cc24a62890cc5859bb7456c115cf1f911208ec2

SHA256
d043588e7d1565ef2228a3478808eec8e866ff38a86798041cfb88242135661b

SHA512
a112a84026932bbccdc24a1bec9a05da239916c230d8d45d8b7aec2e0e3e4f88cbf83a5429b95b8c79e58149750cb54a025b66bb0b8cdcd1d1dbd18caac424b6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads