sakula | 18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f

General

Target

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe
Size

80KB
MD5

2ea166f0cd99a9307870ec5e0e7f503e
SHA1

b21f5a6cc00c4e692d46fb0c555dab8caeb655ff
SHA256

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f
SHA512

3bc2d8f941cd13c8de3283f956403c1fcc7b3d5cadff56362f3bc968a2bb6f727862a898f2cf9ba168152ca8691b3106e68db03f3e2ab63c669d54b3c6161090

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

3864 MediaCenter.exe

pid	process
3864	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:

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.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"	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.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 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\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\DownloadMonthlyLinkLocalBytes = "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\Config\KVFileExpirationTime = "132892852542482128"	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\DownlinkUsageBps = "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 = "4160"	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\UplinkBps = "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\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\Usage\UploadRatePct = "100"	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 (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\FrDownloadRatePct = "90"	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 = "4356"	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\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 (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\PeerInfoCount = "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\UploadCount = "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 = "0.985221"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.290047"	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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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 (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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

388 PING.EXE

pid	process
388	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe
Token: SeBackupPrivilege	3188	TiWorker.exe
Token: SeRestorePrivilege	3188	TiWorker.exe
Token: SeSecurityPrivilege	3188	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.execmd.exe

description	pid	process	target process
PID 228 wrote to memory of 3864	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	MediaCenter.exe
PID 228 wrote to memory of 3864	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	MediaCenter.exe
PID 228 wrote to memory of 3864	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	MediaCenter.exe
PID 228 wrote to memory of 2940	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	cmd.exe
PID 228 wrote to memory of 2940	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	cmd.exe
PID 228 wrote to memory of 2940	228	18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe	cmd.exe
PID 2940 wrote to memory of 388	2940	cmd.exe	PING.EXE
PID 2940 wrote to memory of 388	2940	cmd.exe	PING.EXE
PID 2940 wrote to memory of 388	2940	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe
"C:\Users\Admin\AppData\Local\Temp\18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:228

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18a053ed1f58aa2af54b39a8bac6cd569db6434714540c2607220b680ef5405f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2940

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:388

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1680

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:3184

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:3188

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
197052b2922fd021b863be1143624f62

SHA1
75223ed118e78476fddf533b5136c721a440e119

SHA256
9cd021a390427eae04afc8431e22e60b2eb037b1b62a56923ffb000d1d891653

SHA512
fdbb632ecda0f210c91634aec4db9326cf8722690a9f0b602da54f990c2cf74316859127485459975107e10fe2a663bbb97682923ceafec166bdc8f0359485dd

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

MD5
197052b2922fd021b863be1143624f62

SHA1
75223ed118e78476fddf533b5136c721a440e119

SHA256
9cd021a390427eae04afc8431e22e60b2eb037b1b62a56923ffb000d1d891653

SHA512
fdbb632ecda0f210c91634aec4db9326cf8722690a9f0b602da54f990c2cf74316859127485459975107e10fe2a663bbb97682923ceafec166bdc8f0359485dd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads