sakula | 15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7

General

Target

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe
Size

216KB
MD5

23af8581638a298c90462d18d0e65d30
SHA1

57b5415543aa551ab93a7572b4b348eccf69fb51
SHA256

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7
SHA512

402aaf3b29f09c498fcdc4a950e40377cb516633d15169c8b10a60d377ec60ea5c4bc52c609a893d5228b382b9be038ef91fb2b725d7d4911ef9b68caed136ad

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 3 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/1444-132-0x0000000000400000-0x0000000000420000-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

2344 MediaCenter.exe

pid	process
2344	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:

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.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"	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.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\Settings	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\DownloadMonthlyInternetBytes = "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\MonthID = "2"	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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.071349"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	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\DownloadMonthlyLinkLocalBytes = "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\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\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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\DownloadMonthlyCdnBytes = "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\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 (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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.083313"	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\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\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\InternetConnectionCount = "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\NormalDownloadCount = "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\PeerInfoCount = "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\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 (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\Config\KVFileExpirationTime = "132892897619469891"	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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.087921"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

764 PING.EXE

pid	process
764	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe
Token: SeBackupPrivilege	2528	TiWorker.exe
Token: SeRestorePrivilege	2528	TiWorker.exe
Token: SeSecurityPrivilege	2528	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.execmd.exe

description	pid	process	target process
PID 1444 wrote to memory of 2344	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	MediaCenter.exe
PID 1444 wrote to memory of 2344	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	MediaCenter.exe
PID 1444 wrote to memory of 2344	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	MediaCenter.exe
PID 1444 wrote to memory of 1516	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	cmd.exe
PID 1444 wrote to memory of 1516	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	cmd.exe
PID 1444 wrote to memory of 1516	1444	15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe	cmd.exe
PID 1516 wrote to memory of 764	1516	cmd.exe	PING.EXE
PID 1516 wrote to memory of 764	1516	cmd.exe	PING.EXE
PID 1516 wrote to memory of 764	1516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe
"C:\Users\Admin\AppData\Local\Temp\15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2344

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15815935b568251bd36a7a047ffa7bda410dba4127d50d30ae17af9f5f9b24e7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:764

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3044

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:2564

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:2528

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
fdf79cc934943dadad62823e2d6c8952

SHA1
adc530fe41404d6b8243902f5cf54fe9f40738c0

SHA256
27fcde4c969c36553600fd45f6a117bf3a1ea8001f563f246de5be99add837ba

SHA512
3b97334acfb64b7aadbe57e0871d145082f60956671326bb8a5b77468193ef12fa8a2cfa88fef16758ba880d7dd8ceb300bbbee0ee97f455a72b22698ad0ba9a

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

MD5
fdf79cc934943dadad62823e2d6c8952

SHA1
adc530fe41404d6b8243902f5cf54fe9f40738c0

SHA256
27fcde4c969c36553600fd45f6a117bf3a1ea8001f563f246de5be99add837ba

SHA512
3b97334acfb64b7aadbe57e0871d145082f60956671326bb8a5b77468193ef12fa8a2cfa88fef16758ba880d7dd8ceb300bbbee0ee97f455a72b22698ad0ba9a

Download Submit
memory/1444-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads