sakula | 0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085

General

Target

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe
Size

80KB
MD5

a347c4ce7a5159a0ce5dbc9554d70f0a
SHA1

3e44ec524e194f6b81b1a5a775cd582129fea63c
SHA256

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085
SHA512

dae68ebab902032a7c763876c3500e5e291cf7ec30e8eefd4cc188297ea4e28a59e0fcea7ffcb52ce9c03422bfd786771e73e5c9ee91b3d20e2d44ae31891afc

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

3500 MediaCenter.exe

pid	process
3500	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:

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.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"	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "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
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\Config\DownloadMode_BackCompat = "1"	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\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\LANConnectionCount = "0"	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 = "2.777839"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyLanBytes = "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\UplinkBps = "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\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\UploadMonthlyInternetBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.521835"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "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\MemoryUsageKB = "4076"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	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\GroupConnectionCount = "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\UploadCount = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892977081229378"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3308 PING.EXE

pid	process
3308	PING.EXE

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe
Token: SeBackupPrivilege	4024	TiWorker.exe
Token: SeRestorePrivilege	4024	TiWorker.exe
Token: SeSecurityPrivilege	4024	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.execmd.exe

description	pid	process	target process
PID 1424 wrote to memory of 3500	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	MediaCenter.exe
PID 1424 wrote to memory of 3500	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	MediaCenter.exe
PID 1424 wrote to memory of 3500	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	MediaCenter.exe
PID 1424 wrote to memory of 2732	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	cmd.exe
PID 1424 wrote to memory of 2732	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	cmd.exe
PID 1424 wrote to memory of 2732	1424	0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe	cmd.exe
PID 2732 wrote to memory of 3308	2732	cmd.exe	PING.EXE
PID 2732 wrote to memory of 3308	2732	cmd.exe	PING.EXE
PID 2732 wrote to memory of 3308	2732	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe
"C:\Users\Admin\AppData\Local\Temp\0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fccf690a06fcc32822b8e89aa311771eec2adfbf9ad865e1619c963f41f4085.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3308

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3460

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:1196

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:4024

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
9e3233570709286faf7f8c5d2a71cf87

SHA1
f594ebf4650663eba575db159bdccc4ae70274b5

SHA256
4a34de764c478391ada87ef7ee90b55908b7742a82f8a69598d8ec388b0e8386

SHA512
6cf298f6e88fccbd939afdaa13450047b1703e71f3e5ba5710c49c83ed4a48b28eec62c5ce0e6b1ff032f98debd2015fd2a6c48f7cfbc34b6ddb99f9433a0540

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

MD5
9e3233570709286faf7f8c5d2a71cf87

SHA1
f594ebf4650663eba575db159bdccc4ae70274b5

SHA256
4a34de764c478391ada87ef7ee90b55908b7742a82f8a69598d8ec388b0e8386

SHA512
6cf298f6e88fccbd939afdaa13450047b1703e71f3e5ba5710c49c83ed4a48b28eec62c5ce0e6b1ff032f98debd2015fd2a6c48f7cfbc34b6ddb99f9433a0540

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads