sakula | 0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f

General

Target

0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe
Size

92KB
MD5

9caff9887ab59d9b2f88012b7c5078cd
SHA1

d3e9f884c41bd554aec06e5ebc163e3c092a9a70
SHA256

0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f
SHA512

8ed57fb7866abb4a19037c32dd355b725a5b0263de77b0daae3c82e19618ddbd7c301423c2182468637ba75c145628e6a6afb7389d6887686495b9dac275baa1

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

3652 MediaCenter.exe

pid	process
3652	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:

0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.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"	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.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\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\InternetConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.374768"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.997530"	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\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\PeerInfoCount = "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\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\MemoryUsageKB = "4108"	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\Usage	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "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 (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\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\BkDownloadRatePct = "45"	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	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893135492763240"	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\UplinkBps = "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\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\LANConnectionCount = "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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "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\MemoryUsageKB = "4308"	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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.246827"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3124 PING.EXE

pid	process
3124	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe

description	pid	process
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe
Token: SeBackupPrivilege	2456	TiWorker.exe
Token: SeRestorePrivilege	2456	TiWorker.exe
Token: SeSecurityPrivilege	2456	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.execmd.exe

description	pid	process	target process
PID 3476 wrote to memory of 3652	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	MediaCenter.exe
PID 3476 wrote to memory of 3652	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	MediaCenter.exe
PID 3476 wrote to memory of 3652	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	MediaCenter.exe
PID 3476 wrote to memory of 2260	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	cmd.exe
PID 3476 wrote to memory of 2260	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	cmd.exe
PID 3476 wrote to memory of 2260	3476	0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe	cmd.exe
PID 2260 wrote to memory of 3124	2260	cmd.exe	PING.EXE
PID 2260 wrote to memory of 3124	2260	cmd.exe	PING.EXE
PID 2260 wrote to memory of 3124	2260	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe
"C:\Users\Admin\AppData\Local\Temp\0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3652

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0657f371b795e3244192d4abdc906ea4e665e3714d4ac3b56a1e629c7217581f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2260

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3124

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:732

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:2672

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:2456

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
12322181e052579c4939030903712e6f

SHA1
e8ee8e65f1803d9ec39e2cd2e3df038fa1abdbb6

SHA256
4035924c33f5ed5b7743d37d5acf7e72b723b5c4e1a3abf6508edb422ddf216a

SHA512
c1212caa52af5cedb8bd8fb456c27ea80ff5afc046f0709f4cdc07d8534a8535c044935dc0db13e176a91ba1ad9711b0f5b5a4d3fcc92c3b84eccec1743fcd4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
12322181e052579c4939030903712e6f

SHA1
e8ee8e65f1803d9ec39e2cd2e3df038fa1abdbb6

SHA256
4035924c33f5ed5b7743d37d5acf7e72b723b5c4e1a3abf6508edb422ddf216a

SHA512
c1212caa52af5cedb8bd8fb456c27ea80ff5afc046f0709f4cdc07d8534a8535c044935dc0db13e176a91ba1ad9711b0f5b5a4d3fcc92c3b84eccec1743fcd4f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads