sakula | 042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864

General

Target

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe
Size

79KB
MD5

254c53cb00a9f24d51588e333c603384
SHA1

e2da5e27246ba7c5b10cd024b7cc3d3c57108ef3
SHA256

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864
SHA512

1390c1e6a56f55a352d2dbc978678e7e40f7842848623317677c6452a2ea5147fc47004abdfa83d85bc762fc07a5018154c577a78a768d5f8d858c3c911821a9

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

3796 MediaCenter.exe

pid	process
3796	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:

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.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"	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.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\SwarmCount = "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\PriorityDownloadCount = "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\Settings	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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4108"	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\MonthID = "2"	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\UploadRatePct = "100"	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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.275808"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "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 = "9.525159"	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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\Config\DownloadMode_BackCompat = "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\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\MemoryUsageKB = "4324"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.331147"	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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893170911130303"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3412 PING.EXE

pid	process
3412	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe
Token: SeBackupPrivilege	3648	TiWorker.exe
Token: SeRestorePrivilege	3648	TiWorker.exe
Token: SeSecurityPrivilege	3648	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.execmd.exe

description	pid	process	target process
PID 1016 wrote to memory of 3796	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	MediaCenter.exe
PID 1016 wrote to memory of 3796	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	MediaCenter.exe
PID 1016 wrote to memory of 3796	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	MediaCenter.exe
PID 1016 wrote to memory of 2980	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	cmd.exe
PID 1016 wrote to memory of 2980	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	cmd.exe
PID 1016 wrote to memory of 2980	1016	042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe	cmd.exe
PID 2980 wrote to memory of 3412	2980	cmd.exe	PING.EXE
PID 2980 wrote to memory of 3412	2980	cmd.exe	PING.EXE
PID 2980 wrote to memory of 3412	2980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe
"C:\Users\Admin\AppData\Local\Temp\042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3796

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\042570748bb6f2976e40f7e7295414dc84d7409f680662ef4ea8da88dbae4864.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3412

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:752

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:3472

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:3648

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
93692e3e868e12ddbf6bbfec841349e5

SHA1
96eedf32d0fc246f5896785a3b8d70a7b2ab88ec

SHA256
ca0e558b375aff5a6b570d02c2fc06120b0f50989a2236c6bcc0d4cf9faf470e

SHA512
9752158537d1b687209a325f8e328bde33d56e84868e81acd873331d55799f1a1cd0ffff3dba5bed3550961c538cbe8558b90b2f005e89c4c50e3dacde79d98e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
93692e3e868e12ddbf6bbfec841349e5

SHA1
96eedf32d0fc246f5896785a3b8d70a7b2ab88ec

SHA256
ca0e558b375aff5a6b570d02c2fc06120b0f50989a2236c6bcc0d4cf9faf470e

SHA512
9752158537d1b687209a325f8e328bde33d56e84868e81acd873331d55799f1a1cd0ffff3dba5bed3550961c538cbe8558b90b2f005e89c4c50e3dacde79d98e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads