sakula | 15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7

General

Target

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe
Size

58KB
MD5

9e7d727460945722d055d94f7a426abf
SHA1

f44ca5dac56342f79bb9e0e1e35c3b6fd2862ed4
SHA256

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7
SHA512

cfe0ffe0c0950c3141c624a5a27a087caa1777b592bcd4561407536007217060288013d6d3038003d70e49931a065ba3f7fc63574513c80455adcaf4127555c7

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3032 MediaCenter.exe

pid	process
3032	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:

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.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"	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrBps = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\SwarmCount = "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\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\Config\KVFileExpirationTime = "132892889977134834"	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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\LinkLocalConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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\BkDownloadRatePct = "45"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "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\CacheSizeBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.131579"	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\DownloadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "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 (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\PeerInfoCount = "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\FrDownloadRatePct = "90"	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\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\MemoryUsageKB = "4344"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.322811"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2884 PING.EXE

pid	process
2884	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe
Token: SeBackupPrivilege	3216	TiWorker.exe
Token: SeRestorePrivilege	3216	TiWorker.exe
Token: SeSecurityPrivilege	3216	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.execmd.exe

description	pid	process	target process
PID 1328 wrote to memory of 3032	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	MediaCenter.exe
PID 1328 wrote to memory of 3032	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	MediaCenter.exe
PID 1328 wrote to memory of 3032	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	MediaCenter.exe
PID 1328 wrote to memory of 3536	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	cmd.exe
PID 1328 wrote to memory of 3536	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	cmd.exe
PID 1328 wrote to memory of 3536	1328	15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe	cmd.exe
PID 3536 wrote to memory of 2884	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 2884	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 2884	3536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe
"C:\Users\Admin\AppData\Local\Temp\15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3032

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15f259b8d2b170ff6e8e0a4d659e12ba23159577bef6683672c47f06cafb69c7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2884

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1504

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:1860

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:3216

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
81339ec9d65c14ca164f85d0276a846b

SHA1
5dc407a81b5261fd098d90dbd38f6297554b16d7

SHA256
7636815209a255cbfc92cf9d920694759a791bd2401f7bb948038d29acb33f52

SHA512
c28609cead882fc7f1aed6a66e6c8078b2876daefdb627443f4dd59f8db70c0c313b261ed0ae47356a0b1e5a71a548d20e3a36e4f1af4bc8bd4d3c3fb4dc4f3b

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

MD5
81339ec9d65c14ca164f85d0276a846b

SHA1
5dc407a81b5261fd098d90dbd38f6297554b16d7

SHA256
7636815209a255cbfc92cf9d920694759a791bd2401f7bb948038d29acb33f52

SHA512
c28609cead882fc7f1aed6a66e6c8078b2876daefdb627443f4dd59f8db70c0c313b261ed0ae47356a0b1e5a71a548d20e3a36e4f1af4bc8bd4d3c3fb4dc4f3b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads