sakula | 194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6

General

Target

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe
Size

200KB
MD5

721d86feeecdcbf5b98b9345f865b6c9
SHA1

d2a0986decdcc990b52bb0147303fdbe3080101d
SHA256

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6
SHA512

0f904d9eea0e7768d0274675556e7fe853d0b8de5f3a9ce5f30a38837f21e0a94d9add6b0939893f0269c47e0520da8496ab82f33c7752309c609c5d159eeb79

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/1568-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3940-133-0x0000000000400000-0x0000000000420000-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

3940 MediaCenter.exe

pid	process
3940	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:

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.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"	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.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	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.236405"	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\UploadMonthlyLanBytes = "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\SwarmCount = "1"	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\MemoryUsageKB = "4196"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.081878"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.339907"	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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892844256300718"	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\Config\DODownloadMode = "1"	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\LANConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3492 PING.EXE

pid	process
3492	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe
Token: SeBackupPrivilege	3208	TiWorker.exe
Token: SeRestorePrivilege	3208	TiWorker.exe
Token: SeSecurityPrivilege	3208	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.execmd.exe

description	pid	process	target process
PID 1568 wrote to memory of 3940	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	MediaCenter.exe
PID 1568 wrote to memory of 3940	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	MediaCenter.exe
PID 1568 wrote to memory of 3940	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	MediaCenter.exe
PID 1568 wrote to memory of 988	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	cmd.exe
PID 1568 wrote to memory of 988	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	cmd.exe
PID 1568 wrote to memory of 988	1568	194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe	cmd.exe
PID 988 wrote to memory of 3492	988	cmd.exe	PING.EXE
PID 988 wrote to memory of 3492	988	cmd.exe	PING.EXE
PID 988 wrote to memory of 3492	988	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe
"C:\Users\Admin\AppData\Local\Temp\194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3940

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\194601cec6556d32a0777a70888496a0caf4d52566c9b799165cd29794a679f6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3492

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2456

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:3972

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:3208

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
19027a44d9b3370e9072a6788d56db26

SHA1
2f6119ea1b1680e16111fe3546b044b4f6f05437

SHA256
d470fdd6dbdc5f9f72e3cc81a5f55c98836e8bfb85f111690990dd7acce2e3d7

SHA512
d91a155f1beabefa802922d293eb147e3eb592014e7126fa7c5bd541a0f68223e1bfd8470e5d3c8f921130d4f498b35694c199addc63c0ee281e55e651aadf1a

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

MD5
19027a44d9b3370e9072a6788d56db26

SHA1
2f6119ea1b1680e16111fe3546b044b4f6f05437

SHA256
d470fdd6dbdc5f9f72e3cc81a5f55c98836e8bfb85f111690990dd7acce2e3d7

SHA512
d91a155f1beabefa802922d293eb147e3eb592014e7126fa7c5bd541a0f68223e1bfd8470e5d3c8f921130d4f498b35694c199addc63c0ee281e55e651aadf1a

Download Submit
memory/1568-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3940-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads