sakula | 11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948

General

Target

11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe
Size

36KB
MD5

b1508280266e1fcebaf353583fcf64ef
SHA1

d62141ee2574f15290b86ea0138c198348462059
SHA256

11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948
SHA512

cdb649044aab904affa7c65cc617d8c3cf04c13c4b8105b835b0faa8214802cecf8f16a71b1ffdd1a06a0f696469c87c21784f9860093afc811254e986da2692

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

2112 MediaCenter.exe

pid	process
2112	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:

11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.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"	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.966206"	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\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 (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\LANConnectionCount = "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\UplinkUsageBps = "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\UploadCount = "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 (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\PeerInfoCount = "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\PriorityDownloadCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333236"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892951044019159"	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\Usage	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\FrDownloadRatePct = "90"	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\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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.845851"	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\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\DownloadMonthlyCdnBytes = "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\UplinkBps = "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\MemoryUsageKB = "4252"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4036 PING.EXE

pid	process
4036	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe

description	pid	process
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe
Token: SeBackupPrivilege	3848	TiWorker.exe
Token: SeRestorePrivilege	3848	TiWorker.exe
Token: SeSecurityPrivilege	3848	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.execmd.exe

description	pid	process	target process
PID 2528 wrote to memory of 2112	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	MediaCenter.exe
PID 2528 wrote to memory of 2112	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	MediaCenter.exe
PID 2528 wrote to memory of 2112	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	MediaCenter.exe
PID 2528 wrote to memory of 3712	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	cmd.exe
PID 2528 wrote to memory of 3712	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	cmd.exe
PID 2528 wrote to memory of 3712	2528	11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe	cmd.exe
PID 3712 wrote to memory of 4036	3712	cmd.exe	PING.EXE
PID 3712 wrote to memory of 4036	3712	cmd.exe	PING.EXE
PID 3712 wrote to memory of 4036	3712	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe
"C:\Users\Admin\AppData\Local\Temp\11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11913274e3af25a7afd64723858881bafca23e85a4213a03e64e2438bf86d948.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3712

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4036

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1732

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:3348

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:3848

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
629f83392315ef006f80da900c897a4f

SHA1
059dbaef226a619851f8db7aa3ce081a668957ce

SHA256
4b96045e532130853163ea8abbd508be0e9fab79fe8e9703d784cf88cd5a4209

SHA512
d567b234df254227296cb82560c6ac6d1fd0c3dcdd8b0307614cc4c970f028a73fdc93f3222a88dbf83ab0b51e86195b19a601ab642b5fd42625d813aab0ee16

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

MD5
629f83392315ef006f80da900c897a4f

SHA1
059dbaef226a619851f8db7aa3ce081a668957ce

SHA256
4b96045e532130853163ea8abbd508be0e9fab79fe8e9703d784cf88cd5a4209

SHA512
d567b234df254227296cb82560c6ac6d1fd0c3dcdd8b0307614cc4c970f028a73fdc93f3222a88dbf83ab0b51e86195b19a601ab642b5fd42625d813aab0ee16

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads