sakula | 1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52

General

Target

1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe
Size

99KB
MD5

0df6a4d0c38d9f8961bc63478c164dd8
SHA1

72567100548faaa489d6e62b6f1edf199930d42c
SHA256

1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52
SHA512

938fd77cfc60afacce3858dc995e169a67272d68694cccf20d180bc87cad0020f92eafa852aa0a5a330725c0a66369465b250181221c55631101ec38b1e78754

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

3472 MediaCenter.exe

pid	process
3472	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:

1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.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"	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "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\Config\KVFileExpirationTime = "132892873189412438"	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\CDNConnectionCount = "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\PriorityDownloadCount = "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\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\PriorityDownloadPendingCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.079302"	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
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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\DownloadMonthlyCdnBytes = "0"	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\GroupConnectionCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.960780"	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\MonthID = "2"	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\MemoryUsageKB = "4316"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3316 PING.EXE

pid	process
3316	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe

description	pid	process
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeIncBasePriorityPrivilege	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe
Token: SeBackupPrivilege	916	TiWorker.exe
Token: SeRestorePrivilege	916	TiWorker.exe
Token: SeSecurityPrivilege	916	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.execmd.exe

description	pid	process	target process
PID 632 wrote to memory of 3472	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	MediaCenter.exe
PID 632 wrote to memory of 3472	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	MediaCenter.exe
PID 632 wrote to memory of 3472	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	MediaCenter.exe
PID 632 wrote to memory of 3212	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	cmd.exe
PID 632 wrote to memory of 3212	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	cmd.exe
PID 632 wrote to memory of 3212	632	1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe	cmd.exe
PID 3212 wrote to memory of 3316	3212	cmd.exe	PING.EXE
PID 3212 wrote to memory of 3316	3212	cmd.exe	PING.EXE
PID 3212 wrote to memory of 3316	3212	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe
"C:\Users\Admin\AppData\Local\Temp\1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3472

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1708c0f17c4eb5b2c32a3beeae4bbf9e384818df1bfc9c1888d0d844441b9e52.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3316

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4024

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:2996

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:916

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
b11b246f886be186238ce7524f20854c

SHA1
41ea361512ad8842c2353e9f0775069c433d77f9

SHA256
ff1380bbfc2f66fd6b8830ec49280fb5498da27f2c71ea6dbbc3c378c49886aa

SHA512
aac44b3e2ff40617bba3a39183095f77605da1efe196a493f29657d0c95d84d62ce24cdfd4f9a5cc8a7c4171f21dfe1debe15607f1674307b3edad2ec3da0038

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

MD5
b11b246f886be186238ce7524f20854c

SHA1
41ea361512ad8842c2353e9f0775069c433d77f9

SHA256
ff1380bbfc2f66fd6b8830ec49280fb5498da27f2c71ea6dbbc3c378c49886aa

SHA512
aac44b3e2ff40617bba3a39183095f77605da1efe196a493f29657d0c95d84d62ce24cdfd4f9a5cc8a7c4171f21dfe1debe15607f1674307b3edad2ec3da0038

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads