sakula | 06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc

General

Target

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
Size

191KB
MD5

732fcc90cea28191be836ef369fc2bea
SHA1

ab577a952486490e53cc233b9d026f98a88e12c8
SHA256

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc
SHA512

1a9025e15e7078a383fa43c1179a13a9439e8ec4cee732e74d8f902885cb8dbe77466630c9825a06daca3c70c07ef41d7c67abc9d47859c00833ca3241b17ad3

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

2148 MediaCenter.exe

pid	process
2148	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:

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.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"	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263661"	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\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\MonthlyUploadRestriction = "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\LANConnectionCount = "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 = "0.000000"	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\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.539772"	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 = "4260"	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\DownloadMonthlyInternetBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\UplinkBps = "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\BkDownloadRatePct = "45"	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\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\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 (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\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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\Config\KVFileExpirationTime = "132893129654167118"	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\FrDownloadRatePct = "90"	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\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\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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2824 PING.EXE

pid	process
2824	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe
Token: SeBackupPrivilege	2424	TiWorker.exe
Token: SeRestorePrivilege	2424	TiWorker.exe
Token: SeSecurityPrivilege	2424	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 2148	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	MediaCenter.exe
PID 1280 wrote to memory of 2148	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	MediaCenter.exe
PID 1280 wrote to memory of 2148	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	MediaCenter.exe
PID 1280 wrote to memory of 3612	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	cmd.exe
PID 1280 wrote to memory of 3612	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	cmd.exe
PID 1280 wrote to memory of 3612	1280	06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe	cmd.exe
PID 3612 wrote to memory of 2824	3612	cmd.exe	PING.EXE
PID 3612 wrote to memory of 2824	3612	cmd.exe	PING.EXE
PID 3612 wrote to memory of 2824	3612	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe
"C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2148

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06d62cf3ec91680f076ce35ed4743c32fc82425fd3a95f9baeb560cb2deea3cc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3612

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2824

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3560

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:976

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:2424

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
16ccdc6d550d348be65f6aa157d57523

SHA1
c4b13a055a8d5d26d5633c41d0b6a1f49b14ca63

SHA256
15bee5b923613d78827d119b8dac8a61ed633ddf1899810afb6f97e2f9253161

SHA512
cc974798acdf5601d57676236190023e4ac457dd11e0a9d203908fd39cc151963320e6a67350882278284ba1a62684fe0819cf44a206f54778f9adb146e5c2ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
16ccdc6d550d348be65f6aa157d57523

SHA1
c4b13a055a8d5d26d5633c41d0b6a1f49b14ca63

SHA256
15bee5b923613d78827d119b8dac8a61ed633ddf1899810afb6f97e2f9253161

SHA512
cc974798acdf5601d57676236190023e4ac457dd11e0a9d203908fd39cc151963320e6a67350882278284ba1a62684fe0819cf44a206f54778f9adb146e5c2ec

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads