sakula | 13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826

General

Target

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe
Size

60KB
MD5

284cacf8d6865126521fd32ecea4a7ea
SHA1

8448f783fd8580331defc71e16af5d3191dd9ade
SHA256

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826
SHA512

c9ef39a9661cb49ca1e141abf32905d8c4e4ed1d1540169dd78974455c303300d5f35cf1a9ded1010a3e4030897d3e71ff07e058bea90df130c388bc0b95c16d

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

2248 MediaCenter.exe

pid	process
2248	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:

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.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"	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.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\WinSxS\pending.xml	TiWorker.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\Usage\DownlinkBps = "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\UploadCount = "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\Usage\MemoryUsageKB = "4204"	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\DownloadMonthlyGroupBytes = "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\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\FrDownloadRatePct = "90"	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\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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	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 = "4104"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892919847274219"	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\SwarmCount = "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\NormalDownloadCount = "0"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.195772"	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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\Usage\UploadMonthlyLanBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.256222"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2000 PING.EXE

pid	process
2000	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.execmd.exe

description	pid	process	target process
PID 3812 wrote to memory of 2248	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	MediaCenter.exe
PID 3812 wrote to memory of 2248	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	MediaCenter.exe
PID 3812 wrote to memory of 2248	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	MediaCenter.exe
PID 3812 wrote to memory of 3952	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	cmd.exe
PID 3812 wrote to memory of 3952	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	cmd.exe
PID 3812 wrote to memory of 3952	3812	13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe	cmd.exe
PID 3952 wrote to memory of 2000	3952	cmd.exe	PING.EXE
PID 3952 wrote to memory of 2000	3952	cmd.exe	PING.EXE
PID 3952 wrote to memory of 2000	3952	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe
"C:\Users\Admin\AppData\Local\Temp\13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13fa710c8926a6fdbb5cef19372bebe3188b082655b1ccc7c233fc6072794826.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2000

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3920

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:64

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:544

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
d770856d5929bc1ff2949f1dfc540789

SHA1
7f3742b36d558e68f45064032509e0b2764bff64

SHA256
138fff020202bf48b2cd099c5b09fa0f437d6bacd54469533dd022aa8b9f01ef

SHA512
5980d9f9a1e7e81afe415222791f1da0c37c2af1521ac5ba031d3744ba83e5f0e14c1bfeab2acaaa5c144bcb2e1af1ffa379f71ae96d007680b8cf28b1954d72

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

MD5
d770856d5929bc1ff2949f1dfc540789

SHA1
7f3742b36d558e68f45064032509e0b2764bff64

SHA256
138fff020202bf48b2cd099c5b09fa0f437d6bacd54469533dd022aa8b9f01ef

SHA512
5980d9f9a1e7e81afe415222791f1da0c37c2af1521ac5ba031d3744ba83e5f0e14c1bfeab2acaaa5c144bcb2e1af1ffa379f71ae96d007680b8cf28b1954d72

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads