sakula | 09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2

General

Target

09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe
Size

92KB
MD5

29e26e51b1c978c7366dcca103a09346
SHA1

b8bf38ac669889aefcbfb26866db9ddca5cb5e24
SHA256

09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2
SHA512

edff47b10e78a18ec4742d52800a868efdfeef0c4d54a3da51ec5609052ae65f634bbaabbeb6de802a1f48ff9ce4911bb3566a0e304f19794d28d37c4d72fe82

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

1728 MediaCenter.exe

pid	process
1728	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:

09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.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"	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.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 51 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\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\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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.102097"	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\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\Config\KVFileExpirationTime = "132893084777565048"	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\DownloadMonthlyLanBytes = "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\DownlinkBps = "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\DownloadMonthlyLinkLocalBytes = "0"	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\InternetConnectionCount = "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\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
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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "3972"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006602"	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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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\PriorityDownloadCount = "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\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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.713806"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3932 PING.EXE

pid	process
3932	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe
Token: SeRestorePrivilege	3156	TiWorker.exe
Token: SeSecurityPrivilege	3156	TiWorker.exe
Token: SeBackupPrivilege	3156	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.execmd.exe

description	pid	process	target process
PID 3344 wrote to memory of 1728	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	MediaCenter.exe
PID 3344 wrote to memory of 1728	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	MediaCenter.exe
PID 3344 wrote to memory of 1728	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	MediaCenter.exe
PID 3344 wrote to memory of 1824	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	cmd.exe
PID 3344 wrote to memory of 1824	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	cmd.exe
PID 3344 wrote to memory of 1824	3344	09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe	cmd.exe
PID 1824 wrote to memory of 3932	1824	cmd.exe	PING.EXE
PID 1824 wrote to memory of 3932	1824	cmd.exe	PING.EXE
PID 1824 wrote to memory of 3932	1824	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe
"C:\Users\Admin\AppData\Local\Temp\09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3344

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09b35ef51a31817d84f0937c070200cc6f75fe73f892a19d00f0af9ec19ac8c2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1824

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3932

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1472

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:364

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:3156

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:2484

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
ff02115b43a3c6ff15938aeaa52026f1

SHA1
97dfbd31bed6aad6f3ef654ae487ecae0ced6da5

SHA256
2daa9aafa4cbb1f981804333cd61b873c1a6fb5f380d1452deaa63f0f3f7cd6f

SHA512
2ddbd598cfe21e9cc45453f4f5e3221dee5d0137db3dabb6008df754ba3321d3f5920ea1b8765ce68ead2515bea399819787e19ae4061dedc57972d8ca62ce0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ff02115b43a3c6ff15938aeaa52026f1

SHA1
97dfbd31bed6aad6f3ef654ae487ecae0ced6da5

SHA256
2daa9aafa4cbb1f981804333cd61b873c1a6fb5f380d1452deaa63f0f3f7cd6f

SHA512
2ddbd598cfe21e9cc45453f4f5e3221dee5d0137db3dabb6008df754ba3321d3f5920ea1b8765ce68ead2515bea399819787e19ae4061dedc57972d8ca62ce0b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads