sakula | 1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be

General

Target

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe
Size

188KB
MD5

6b0398395e1b06438e72a5ee9bec96da
SHA1

5ed76d0cd15dcbdf2fa7e8b31c59e0bdec67c7fc
SHA256

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be
SHA512

fe607428548921eccc6f2e9a71d6aa0176f7f907bc4679a30dc18208b7a7e229d9d04cda8f9d748135e4a7512d2d3d0aa8880c97e4b1b837776f2eb8c2b26176

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 4 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
behavioral2/memory/2988-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3500-133-0x0000000000400000-0x0000000000420000-memory.dmp	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

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:

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.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"	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.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

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\CacheSizeBytes = "0"	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\GroupConnectionCount = "0"	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	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\Config\KVFileExpirationTime = "132892955591591821"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\DownloadMonthlyGroupBytes = "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\DownlinkBps = "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 = "4324"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	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\DownloadMonthlyRateFrBps = "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\SwarmCount = "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\UploadCount = "0"	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 = "7.143246"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\Usage\UploadMonthlyLanBytes = "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 (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\DownlinkUsageBps = "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\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\Usage\DownloadMonthlyLinkLocalBytes = "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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.758969"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1840 PING.EXE

pid	process
1840	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe
Token: SeBackupPrivilege	2888	TiWorker.exe
Token: SeRestorePrivilege	2888	TiWorker.exe
Token: SeSecurityPrivilege	2888	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.execmd.exe

description	pid	process	target process
PID 2988 wrote to memory of 3500	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	MediaCenter.exe
PID 2988 wrote to memory of 3500	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	MediaCenter.exe
PID 2988 wrote to memory of 3500	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	MediaCenter.exe
PID 2988 wrote to memory of 2900	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	cmd.exe
PID 2988 wrote to memory of 2900	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	cmd.exe
PID 2988 wrote to memory of 2900	2988	1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe	cmd.exe
PID 2900 wrote to memory of 1840	2900	cmd.exe	PING.EXE
PID 2900 wrote to memory of 1840	2900	cmd.exe	PING.EXE
PID 2900 wrote to memory of 1840	2900	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe
"C:\Users\Admin\AppData\Local\Temp\1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988

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\1143cf737f5f325e4bdc9c1adfa4d8d259931050046e5da772e65fd97772c1be.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2900

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1840

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:3108

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:2888

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
92c4fc083b93d80bf55b9a48d41b1e3a

SHA1
7297b21256d191cc526f80f724768d0fba0129a9

SHA256
911dfe3f6298684ae7784237d2786457cf09bcd97fe4f1a3e100ac09aa09fc40

SHA512
3546b69d6c63a599f7a246087548c56441f896184ac9d8a431fb64e0788c99e1e16c5486201e71dff58a77a277734b8a8a331b08d75212529672e0700bce43e8

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

MD5
92c4fc083b93d80bf55b9a48d41b1e3a

SHA1
7297b21256d191cc526f80f724768d0fba0129a9

SHA256
911dfe3f6298684ae7784237d2786457cf09bcd97fe4f1a3e100ac09aa09fc40

SHA512
3546b69d6c63a599f7a246087548c56441f896184ac9d8a431fb64e0788c99e1e16c5486201e71dff58a77a277734b8a8a331b08d75212529672e0700bce43e8

Download Submit
memory/2988-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3500-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads