sakula | 12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9

General

Target

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe
Size

150KB
MD5

ede36bd8a193778f2c1f2af1cfe4e911
SHA1

a226c839496ecd7a1b59b56196d8bb629fa375bc
SHA256

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9
SHA512

9dff9f42a783fb7da736d352a3ce5287ea5f399648b9c29de6c0fcecf6437b18c1a5aeed08cabf7dabd18cb133b812b64e514a1e90973ca26e23deb5aa24b06a

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2552 MediaCenter.exe

pid	process
2552	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:

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.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"	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4360"	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\FrDownloadRatePct = "90"	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 (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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892934054130015"	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\SwarmCount = "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\DownloadMonthlyCacheHostBytes = "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 (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\UplinkBps = "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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.712351"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.651143"	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\PriorityDownloadPendingCount = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\Config\DownloadMode_BackCompat = "1"	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
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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.375075"	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\MemoryUsageKB = "4136"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2340 PING.EXE

pid	process
2340	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe
Token: SeBackupPrivilege	3192	TiWorker.exe
Token: SeRestorePrivilege	3192	TiWorker.exe
Token: SeSecurityPrivilege	3192	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.execmd.exe

description	pid	process	target process
PID 1288 wrote to memory of 2552	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	MediaCenter.exe
PID 1288 wrote to memory of 2552	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	MediaCenter.exe
PID 1288 wrote to memory of 2552	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	MediaCenter.exe
PID 1288 wrote to memory of 3460	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	cmd.exe
PID 1288 wrote to memory of 3460	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	cmd.exe
PID 1288 wrote to memory of 3460	1288	12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe	cmd.exe
PID 3460 wrote to memory of 2340	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 2340	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 2340	3460	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe
"C:\Users\Admin\AppData\Local\Temp\12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2552

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12fb5d30f60e76f889e8106ccc64cf5617ee1fdd3a0a5a68451f71706f49d8c9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2340

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3844

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:1912

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:3192

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
811b6f6aedefd6e99f966624fe5f8532

SHA1
c2691b6c0153e33261f0cbf230cdd36aea0c1900

SHA256
149abc78c586deed6483ec06aa747334af564d33462fbb503246201e9d0c43ba

SHA512
c4ec9edc3f50d2e8128eba56919892eafc1f20fa414a894b50a6718e99288f998ff499cc49f835ad7cf8d348f551bfdf954b794c6659067128e45931ba3ad786

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

MD5
811b6f6aedefd6e99f966624fe5f8532

SHA1
c2691b6c0153e33261f0cbf230cdd36aea0c1900

SHA256
149abc78c586deed6483ec06aa747334af564d33462fbb503246201e9d0c43ba

SHA512
c4ec9edc3f50d2e8128eba56919892eafc1f20fa414a894b50a6718e99288f998ff499cc49f835ad7cf8d348f551bfdf954b794c6659067128e45931ba3ad786

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads