sakula | 1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae

General

Target

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe
Size

192KB
MD5

13e6909c9cd932a1ec95fb0f18a5f4be
SHA1

524de8e475da895f0f988328ed512b49ba647314
SHA256

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae
SHA512

7ac2995517a2a98431206e5892a18f20e201fd77cc36f5a1c93a2e0ac124683d5ea80c674b3659a4568575b55767c28a8e96023e70894abee1a71f43eeaeebc5

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

492 MediaCenter.exe

pid	process
492	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:

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.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"	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\DownloadMonthlyRateBkBps = "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\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 (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 = "0.019936"	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 = "4116"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892956218582338"	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\PeerInfoCount = "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\DownlinkBps = "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\DownloadMonthlyInternetBytes = "0"	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\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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4216"	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\CDNConnectionCount = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "21.428042"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DODownloadMode = "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\FrDownloadRatePct = "90"	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	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 = "1.438827"	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 = "1"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1384 PING.EXE

pid	process
1384	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.execmd.exe

description	pid	process	target process
PID 3836 wrote to memory of 492	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	MediaCenter.exe
PID 3836 wrote to memory of 492	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	MediaCenter.exe
PID 3836 wrote to memory of 492	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	MediaCenter.exe
PID 3836 wrote to memory of 4044	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	cmd.exe
PID 3836 wrote to memory of 4044	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	cmd.exe
PID 3836 wrote to memory of 4044	3836	1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe	cmd.exe
PID 4044 wrote to memory of 1384	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 1384	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 1384	4044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe
"C:\Users\Admin\AppData\Local\Temp\1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:492

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1135f9bb57e53c2e86cd04847220fa2f7bcabb7d2722139463c7ec790f17c2ae.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1384

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2892

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:3188

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:544

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
f8b88f9e379d06634e57b44b384ae5a7

SHA1
748e780e53ca5f376c9c00e881d3d99c77ce8e07

SHA256
0abc6b547f70c9072ad23b6b582a5eaf1ec9f239c4485f0c6df77de357ed5d69

SHA512
2faec2d801b2fd3409a7f924632c4408b3d6c2d474d1b84d310898f09716ade136fd32ce9756b97885f48777610850cd947ac00f65c6ea1d629fa92b318a3f18

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

MD5
f8b88f9e379d06634e57b44b384ae5a7

SHA1
748e780e53ca5f376c9c00e881d3d99c77ce8e07

SHA256
0abc6b547f70c9072ad23b6b582a5eaf1ec9f239c4485f0c6df77de357ed5d69

SHA512
2faec2d801b2fd3409a7f924632c4408b3d6c2d474d1b84d310898f09716ade136fd32ce9756b97885f48777610850cd947ac00f65c6ea1d629fa92b318a3f18

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads