sakula | 03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51

General

Target

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe
Size

150KB
MD5

5ae588ca90c2a6727a6f8b5f2cab3ee9
SHA1

e82167a1b68041ceedff0f03ec78d836e09cd81a
SHA256

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51
SHA512

20a1b34cc896206918d50f0cdca97d2200024b3d97c0ae29ba374396201b26194daa7ed25e89dcfc103f5f5a61339acd3d17cab52e07034c519d3fd9ab805c30

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

2868 MediaCenter.exe

pid	process
2868	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:

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.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"	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\Config\KVFileExpirationTime = "132893173262240406"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.450946"	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\DownloadMonthlyRateBkCnt = "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\GroupConnectionCount = "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 = "4116"	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\DownloadMonthlyInternetBytes = "0"	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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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\SwarmCount = "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\Usage\PeerInfoCount = "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\DownloadMonthlyRateFrCnt = "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\LANConnectionCount = "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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042662"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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\DownloadMonthlyCdnBytes = "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\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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3288 PING.EXE

pid	process
3288	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe
Token: SeBackupPrivilege	2276	TiWorker.exe
Token: SeRestorePrivilege	2276	TiWorker.exe
Token: SeSecurityPrivilege	2276	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.execmd.exe

description	pid	process	target process
PID 3856 wrote to memory of 2868	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	MediaCenter.exe
PID 3856 wrote to memory of 2868	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	MediaCenter.exe
PID 3856 wrote to memory of 2868	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	MediaCenter.exe
PID 3856 wrote to memory of 752	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	cmd.exe
PID 3856 wrote to memory of 752	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	cmd.exe
PID 3856 wrote to memory of 752	3856	03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe	cmd.exe
PID 752 wrote to memory of 3288	752	cmd.exe	PING.EXE
PID 752 wrote to memory of 3288	752	cmd.exe	PING.EXE
PID 752 wrote to memory of 3288	752	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe
"C:\Users\Admin\AppData\Local\Temp\03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3856

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2868

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03e3bda68fcd175c0975bcbe791613307bdf9e8db6198920f1314e95366b3a51.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3288

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1928

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:2644

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:2276

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
f3272e28542f7085757ef2f65fc26684

SHA1
4a154737d4e5bdcb6dacde7e1a56e6bc42e93534

SHA256
280110b31e52ba5626984459328881f8c54c7cb74db15d3d7c03a177d890c405

SHA512
1f09d996b9d911d798db0256af0d220c0e77e601e7ffb3dfc2fdfec23b420f0747a4541bf32d8438b6b6952d2c94fec3c453ea5c18c201362caec2970b0c2401

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f3272e28542f7085757ef2f65fc26684

SHA1
4a154737d4e5bdcb6dacde7e1a56e6bc42e93534

SHA256
280110b31e52ba5626984459328881f8c54c7cb74db15d3d7c03a177d890c405

SHA512
1f09d996b9d911d798db0256af0d220c0e77e601e7ffb3dfc2fdfec23b420f0747a4541bf32d8438b6b6952d2c94fec3c453ea5c18c201362caec2970b0c2401

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads