sakula | 1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6

General

Target

1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe
Size

58KB
MD5

d48709af9cd494cac2467d1661314d4d
SHA1

7a510a6cf7ab25d2bb8297fe3bc4dc207386a550
SHA256

1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6
SHA512

98a472e11f9d74cd67fd851f1747d390bfa2f72bad9bd669a919c4286a22d3a0cfce4f61f1c82c037fc69676d8d80f1c6d8f41a1fb4cc6a0a3ad347cd8b4e169

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

2088 MediaCenter.exe

pid	process
2088	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:

1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.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"	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadPendingCount = "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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892900894570743"	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\CDNConnectionCount = "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\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\DownloadMonthlyLanBytes = "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\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\DownloadMonthlyLinkLocalBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.017718"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.398088"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038640"	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\UploadMonthlyInternetBytes = "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\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\UplinkUsageBps = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	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 = "4364"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.021598"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

240 PING.EXE

pid	process
240	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe

description	pid	process
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.execmd.exe

description	pid	process	target process
PID 1500 wrote to memory of 2088	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	MediaCenter.exe
PID 1500 wrote to memory of 2088	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	MediaCenter.exe
PID 1500 wrote to memory of 2088	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	MediaCenter.exe
PID 1500 wrote to memory of 3380	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	cmd.exe
PID 1500 wrote to memory of 3380	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	cmd.exe
PID 1500 wrote to memory of 3380	1500	1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe	cmd.exe
PID 3380 wrote to memory of 240	3380	cmd.exe	PING.EXE
PID 3380 wrote to memory of 240	3380	cmd.exe	PING.EXE
PID 3380 wrote to memory of 240	3380	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe
"C:\Users\Admin\AppData\Local\Temp\1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2088

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1550189ee9d11160d6622ba599d69e8ecf830c63cafa19f76145046f9ebfb7f6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:240

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1316

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:3864

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:3808

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
d7f0bee11ff06bd741bb0ede97714191

SHA1
46f7b97e1b254b7013e54e3813c16df88767b5fe

SHA256
0114a8fb6329d8164ccb6fed21009f1a8c1b370965f688f5f657e577540d0377

SHA512
3b11c8506404776c846dda04a2fb1ba622d317cff6839f099c565c10a1724e92e3123ee922e0db6bdd756ace24358136dbe17fe0c992e91438bd617eaa79c302

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

MD5
d7f0bee11ff06bd741bb0ede97714191

SHA1
46f7b97e1b254b7013e54e3813c16df88767b5fe

SHA256
0114a8fb6329d8164ccb6fed21009f1a8c1b370965f688f5f657e577540d0377

SHA512
3b11c8506404776c846dda04a2fb1ba622d317cff6839f099c565c10a1724e92e3123ee922e0db6bdd756ace24358136dbe17fe0c992e91438bd617eaa79c302

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads