sakula | 15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89

General

Target

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe
Size

99KB
MD5

e85fa7210bf5bb9576fdd9892f56482f
SHA1

8495e1c07c44e50d828ceadb78e2d6fb312323d1
SHA256

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89
SHA512

8ecea8e5a1f3969bf2a933699042fc16e7f5d6371bf49e83381d34e4cb9d78a611408d863716bb65c7b1c7b957f8748c334f39a7ddf88161046bbc32d62a6b2d

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

3188 MediaCenter.exe

pid	process
3188	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:

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.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"	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.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
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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "20.010732"	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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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 = "4.999498"	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\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\Config\KVFileExpirationTime = "132892892399170168"	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\UplinkBps = "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\UploadMonthlyLanBytes = "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\GroupConnectionCount = "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\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\DownloadMonthlyLinkLocalBytes = "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\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\MemoryUsageKB = "4316"	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\CDNConnectionCount = "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\UploadRatePct = "100"	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\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\DownloadMonthlyGroupBytes = "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\Usage\MemoryUsageKB = "4096"	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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.265821"	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

3980 PING.EXE

pid	process
3980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe
Token: SeBackupPrivilege	2940	TiWorker.exe
Token: SeRestorePrivilege	2940	TiWorker.exe
Token: SeSecurityPrivilege	2940	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.execmd.exe

description	pid	process	target process
PID 3916 wrote to memory of 3188	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	MediaCenter.exe
PID 3916 wrote to memory of 3188	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	MediaCenter.exe
PID 3916 wrote to memory of 3188	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	MediaCenter.exe
PID 3916 wrote to memory of 2284	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	cmd.exe
PID 3916 wrote to memory of 2284	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	cmd.exe
PID 3916 wrote to memory of 2284	3916	15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe	cmd.exe
PID 2284 wrote to memory of 3980	2284	cmd.exe	PING.EXE
PID 2284 wrote to memory of 3980	2284	cmd.exe	PING.EXE
PID 2284 wrote to memory of 3980	2284	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe
"C:\Users\Admin\AppData\Local\Temp\15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3916

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15cfd372587277b69e599ae62f67fc115782751ae5b31a453679bd9b8b11fb89.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2284

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3980

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3248

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:3164

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:2940

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
eb7b3a0c0a9faad86f92dbabed129a33

SHA1
383aa784d6a184b53f69fdd04df4052b8b483620

SHA256
5d42bd1493daf50ac37cdae8ac7379cdec3ea1235fe38b22295ff6f38b0b31ec

SHA512
a51106ebd1b89217c8fba2c4bf67a214ee7bd308871df9c43870ff078d88d117768745f51587cd8bd4d9db960748e260ea6ad62cf46ddf7e237215c3037d3079

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

MD5
eb7b3a0c0a9faad86f92dbabed129a33

SHA1
383aa784d6a184b53f69fdd04df4052b8b483620

SHA256
5d42bd1493daf50ac37cdae8ac7379cdec3ea1235fe38b22295ff6f38b0b31ec

SHA512
a51106ebd1b89217c8fba2c4bf67a214ee7bd308871df9c43870ff078d88d117768745f51587cd8bd4d9db960748e260ea6ad62cf46ddf7e237215c3037d3079

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads