sakula | 1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082

General

Target

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe
Size

150KB
MD5

e8d4d6b14008314336298661cabfc065
SHA1

36acf2e12e382349374dd6da1ea9d4af784de5cb
SHA256

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082
SHA512

ed4c5db12837d905751a209c5ccaffdc0214e9ff13ff30f40b880408fa5ced9ff48acb102928cd7207db5f55b1d2e9cab90e14e4f7c248e809fee98cc9842a89

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

1548 MediaCenter.exe

pid	process
1548	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:

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.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"	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\UplinkUsageBps = "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\DownloadMonthlyRateFrCnt = "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\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\CacheSizeBytes = "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\PriorityDownloadPendingCount = "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\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\DownloadMonthlyLinkLocalBytes = "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\Usage\FrDownloadRatePct = "90"	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 = "0.208189"	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\UplinkBps = "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\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\PriorityDownloadCount = "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\Config\DODownloadMode = "1"	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
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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	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\DownloadMonthlyRateBkCnt = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892854471102466"	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\Config\DownloadMode_BackCompat = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

760 PING.EXE

pid	process
760	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.execmd.exe

description	pid	process	target process
PID 1716 wrote to memory of 1548	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	MediaCenter.exe
PID 1716 wrote to memory of 1548	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	MediaCenter.exe
PID 1716 wrote to memory of 1548	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	MediaCenter.exe
PID 1716 wrote to memory of 3592	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	cmd.exe
PID 1716 wrote to memory of 3592	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	cmd.exe
PID 1716 wrote to memory of 3592	1716	1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe	cmd.exe
PID 3592 wrote to memory of 760	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 760	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 760	3592	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe
"C:\Users\Admin\AppData\Local\Temp\1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1548

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1878595862d672dc2bac11c2db5ce1035bf1d9472137452d46eedf247fa6b082.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:760

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3192

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:3248

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:2840

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
4a4cc71874e42640125037be9aaa9f4b

SHA1
ca7ec99ab9dac9cd54ad54c2131c7f47380b4851

SHA256
d731b1b385d2befe0737bfc9116bb6e13f9e0346cb111e907784c84b59afc3fd

SHA512
2672558d87510556c79c7708d84fdd28a66ed389e80b6b41bdf1d1994a9637a0b65929fb291110ae847c7bcd05cbb4f30055282e10285868982166f6dc36da5c

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

MD5
4a4cc71874e42640125037be9aaa9f4b

SHA1
ca7ec99ab9dac9cd54ad54c2131c7f47380b4851

SHA256
d731b1b385d2befe0737bfc9116bb6e13f9e0346cb111e907784c84b59afc3fd

SHA512
2672558d87510556c79c7708d84fdd28a66ed389e80b6b41bdf1d1994a9637a0b65929fb291110ae847c7bcd05cbb4f30055282e10285868982166f6dc36da5c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads