sakula | 14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36

General

Target

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe
Size

216KB
MD5

e2b040a62e6159eecb0d1604fec4a940
SHA1

9694708e115fef29c138ace90f88a79991ef364f
SHA256

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36
SHA512

935023de4cdb245c7cd6b231c119c1858d2f47af2b1cb94ac9b10d65931cae22387c9efdf29b12010260206d0281759e1fed1f625705e56e55bf86a8fb689344

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/2728-132-0x0000000000400000-0x0000000000420000-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

4080 MediaCenter.exe

pid	process
4080	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:

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.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"	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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
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\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\UplinkBps = "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\SwarmCount = "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\MonthID = "2"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.054645"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.164691"	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\DownloadMonthlyCacheHostBytes = "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\Config\KVFileExpirationTime = "132892916958624306"	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	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\DownloadMonthlyGroupBytes = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.078432"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\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	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

808 PING.EXE

pid	process
808	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe
Token: SeBackupPrivilege	3036	TiWorker.exe
Token: SeRestorePrivilege	3036	TiWorker.exe
Token: SeSecurityPrivilege	3036	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.execmd.exe

description	pid	process	target process
PID 2728 wrote to memory of 4080	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	MediaCenter.exe
PID 2728 wrote to memory of 4080	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	MediaCenter.exe
PID 2728 wrote to memory of 4080	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	MediaCenter.exe
PID 2728 wrote to memory of 3664	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	cmd.exe
PID 2728 wrote to memory of 3664	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	cmd.exe
PID 2728 wrote to memory of 3664	2728	14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe	cmd.exe
PID 3664 wrote to memory of 808	3664	cmd.exe	PING.EXE
PID 3664 wrote to memory of 808	3664	cmd.exe	PING.EXE
PID 3664 wrote to memory of 808	3664	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe
"C:\Users\Admin\AppData\Local\Temp\14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14287aea4561fc918b875540cc0a6d2684f88772a571387ad9c68db2dc117d36.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3664

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:808

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2532

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:3636

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:3036

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
1e442ea99f8c6c989324a3ad9bb55044

SHA1
bafc5b7013fd031c75a6b867742c186831512780

SHA256
8904d77d784bebd27b6de23b7ae138df4e812f04f6d51664ef43bc27b5af21a3

SHA512
a7f7f60f40ef8831aeaa26717a889fe03f51d30fc9fc6bceb2811c52d494c8e49affa1292a8585fa6e49124eab07fab4c3712f4fb243e96c051c8472ed81a9c6

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

MD5
1e442ea99f8c6c989324a3ad9bb55044

SHA1
bafc5b7013fd031c75a6b867742c186831512780

SHA256
8904d77d784bebd27b6de23b7ae138df4e812f04f6d51664ef43bc27b5af21a3

SHA512
a7f7f60f40ef8831aeaa26717a889fe03f51d30fc9fc6bceb2811c52d494c8e49affa1292a8585fa6e49124eab07fab4c3712f4fb243e96c051c8472ed81a9c6

Download Submit
memory/2728-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads