sakula | 035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2

General

Target

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe
Size

58KB
MD5

77ab72f70744ae0139508a86bd23de8a
SHA1

5c0356f68dcecdd1403f9f9e5e95e5e3355a3c04
SHA256

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2
SHA512

159b86e9b4cff845a76536a822307ea8188e22c6883540b3e1da3a22100cedfa238f47fefb3570e5cedbf56e6c9b6f09b9d03de9a2c88cb61eac2b5fd30f80e8

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

408 MediaCenter.exe

pid	process
408	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:

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.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"	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.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\Logs\CBS\CBS.log	TiWorker.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\MemoryUsageKB = "4104"	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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90"	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\SwarmCount = "1"	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\MonthlyUploadRestriction = "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\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\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 (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\Usage\CPUpct = "0.104384"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "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\Config\DODownloadMode = "1"	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 = "1.470597"	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\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\SwarmCount = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\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\BkDownloadRatePct = "45"	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\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893176923189360"	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\NormalDownloadPendingCount = "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\CDNConnectionCount = "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\MemoryUsageKB = "4220"	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\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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1512 PING.EXE

pid	process
1512	PING.EXE

Suspicious use of AdjustPrivilegeToken 52 IoCs

Processes:

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe
Token: SeBackupPrivilege	1196	TiWorker.exe
Token: SeRestorePrivilege	1196	TiWorker.exe
Token: SeSecurityPrivilege	1196	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.execmd.exe

description	pid	process	target process
PID 3152 wrote to memory of 408	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	MediaCenter.exe
PID 3152 wrote to memory of 408	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	MediaCenter.exe
PID 3152 wrote to memory of 408	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	MediaCenter.exe
PID 3152 wrote to memory of 3288	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	cmd.exe
PID 3152 wrote to memory of 3288	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	cmd.exe
PID 3152 wrote to memory of 3288	3152	035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe	cmd.exe
PID 3288 wrote to memory of 1512	3288	cmd.exe	PING.EXE
PID 3288 wrote to memory of 1512	3288	cmd.exe	PING.EXE
PID 3288 wrote to memory of 1512	3288	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe
"C:\Users\Admin\AppData\Local\Temp\035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:408

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\035683c57d502b40e0fd542fda2fe5c46792f935014c66619424aa48912d75a2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3288

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1512

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1140

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:3948

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:1196

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
88ea29f5e51672f9cc38f9fe461855fe

SHA1
2502a322a368c131fb50b9f46a4c50a821798c66

SHA256
fcc52f79cdbd44f9753f0e840441322a6a29b6dbe8049c35bc3175da7d6b1da1

SHA512
82ffe19c3e99b1f47504e018141c4c347c1f9206ae48ade44ff0090e5737ad84b2971254555a47db89d975fcc9446322d5da51b8a5ca8fd6d35848a59d56a67a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
88ea29f5e51672f9cc38f9fe461855fe

SHA1
2502a322a368c131fb50b9f46a4c50a821798c66

SHA256
fcc52f79cdbd44f9753f0e840441322a6a29b6dbe8049c35bc3175da7d6b1da1

SHA512
82ffe19c3e99b1f47504e018141c4c347c1f9206ae48ade44ff0090e5737ad84b2971254555a47db89d975fcc9446322d5da51b8a5ca8fd6d35848a59d56a67a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads