sakula | 0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142

General

Target

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe
Size

92KB
MD5

d6078cacd8e3d8e1d3eec4e0041eb931
SHA1

628abdc382c30217ffbf451cae03cc834164627d
SHA256

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142
SHA512

fde2d6e19e12c373b70e8fb14806c484c67ec14427cc5f68875ab03aba836bf2aef0ba01c621ec49decbcd2ce465bee2fc4663e4582d2e71fcd55302263a78bf

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

2444 MediaCenter.exe

pid	process
2444	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:

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.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"	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "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\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\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\SwarmCount = "1"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\Usage\UploadMonthlyInternetBytes = "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\Usage\CPUpct = "0.793648"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	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\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\DownlinkBps = "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 = "4316"	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\Config\KVFileExpirationTime = "132893107406850141"	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\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\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\CDNConnectionCount = "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\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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4052 PING.EXE

pid	process
4052	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.execmd.exe

description	pid	process	target process
PID 2628 wrote to memory of 2444	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	MediaCenter.exe
PID 2628 wrote to memory of 2444	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	MediaCenter.exe
PID 2628 wrote to memory of 2444	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	MediaCenter.exe
PID 2628 wrote to memory of 4004	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	cmd.exe
PID 2628 wrote to memory of 4004	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	cmd.exe
PID 2628 wrote to memory of 4004	2628	0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe	cmd.exe
PID 4004 wrote to memory of 4052	4004	cmd.exe	PING.EXE
PID 4004 wrote to memory of 4052	4004	cmd.exe	PING.EXE
PID 4004 wrote to memory of 4052	4004	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe
"C:\Users\Admin\AppData\Local\Temp\0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2444

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0871b20669a4cf675543101d7dcd4c7b64c08ffbd1602aada17856cdb6df8142.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4004

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4052

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3664

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:2256

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:2984

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
94186683499a6db7834a90cd72823624

SHA1
bb7b77d5d75be7d02e5c78a8cf455b6dfca59afb

SHA256
992a92a19a80a3bf083346fcec16292d44b029b9731f840f07af912886e630a5

SHA512
e851da468ab598d972ec3e71f3c8e7cc6403e8d309868b388fff7353b5958165d68897368c648a73ec81ef1d2f0af0ded1ad6ea593535b332fb3ca132de8fcf4

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
94186683499a6db7834a90cd72823624

SHA1
bb7b77d5d75be7d02e5c78a8cf455b6dfca59afb

SHA256
992a92a19a80a3bf083346fcec16292d44b029b9731f840f07af912886e630a5

SHA512
e851da468ab598d972ec3e71f3c8e7cc6403e8d309868b388fff7353b5958165d68897368c648a73ec81ef1d2f0af0ded1ad6ea593535b332fb3ca132de8fcf4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads