sakula | 11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7

General

Target

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe
Size

150KB
MD5

daee7814a6e6d76f6c8216b043f1f435
SHA1

e3247673e73b3fa518df6ebfd1392cf5309dae33
SHA256

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7
SHA512

5586ee757d51555bf56a58dab6814c4ada8fd49c5f313a915c1f1cda682eddf6f282f81f056c6637303c73b49772ed6d69579715a9472409bf6be0a6634851c1

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

988 MediaCenter.exe

pid	process
988	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:

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.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"	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4364"	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\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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "0"	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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.494557"	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\Usage\DownloadMonthlyGroupBytes = "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\PeerInfoCount = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "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\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\MemoryUsageKB = "4180"	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\DownlinkUsageBps = "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\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\Config\KVFileExpirationTime = "132892948324091785"	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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.374838"	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\DownloadMonthlyCacheHostBytes = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	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\CacheSizeBytes = "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

3184 PING.EXE

pid	process
3184	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe
Token: SeBackupPrivilege	2104	TiWorker.exe
Token: SeRestorePrivilege	2104	TiWorker.exe
Token: SeSecurityPrivilege	2104	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.execmd.exe

description	pid	process	target process
PID 3888 wrote to memory of 988	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	MediaCenter.exe
PID 3888 wrote to memory of 988	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	MediaCenter.exe
PID 3888 wrote to memory of 988	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	MediaCenter.exe
PID 3888 wrote to memory of 4044	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	cmd.exe
PID 3888 wrote to memory of 4044	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	cmd.exe
PID 3888 wrote to memory of 4044	3888	11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe	cmd.exe
PID 4044 wrote to memory of 3184	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 3184	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 3184	4044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe
"C:\Users\Admin\AppData\Local\Temp\11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3888

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:988

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11c3b97238ba7569363aebb0e79f442a831119d1f27ad5f3ab8796a825748dd7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3184

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1608

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:3416

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:2104

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
4136eebdcca74526e29bf77b177f1da0

SHA1
02d5be4eedb9c82b9aafa6980d284a70b7c284be

SHA256
4fb74bd69594fd02d27372ee12ccba855a25a9e501f31b753a90c3bf27032334

SHA512
3cf3872e14257bdc2138e9a1702a1024a50690cc1d2589171d2c01b6f8f8d7b8f406c79de109d2bd6054a196f78033a00b2baff1c39ecdefd89a3ddd13e748e5

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

MD5
4136eebdcca74526e29bf77b177f1da0

SHA1
02d5be4eedb9c82b9aafa6980d284a70b7c284be

SHA256
4fb74bd69594fd02d27372ee12ccba855a25a9e501f31b753a90c3bf27032334

SHA512
3cf3872e14257bdc2138e9a1702a1024a50690cc1d2589171d2c01b6f8f8d7b8f406c79de109d2bd6054a196f78033a00b2baff1c39ecdefd89a3ddd13e748e5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads