sakula | 04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447

General

Target

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe
Size

150KB
MD5

3f19eaee8de2faf5e94c4901a03e4e00
SHA1

865ce00457eb2b4e4fe6efe0e7d256f5e003b652
SHA256

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447
SHA512

afca62af017bd99fd47dcdb4c179322161010b24f960fdca811fdf3e4e1f03111d198d23d5f99730c51486e8e8e7f5c976a191f5e55a4fe224e44cb5dd41aecb

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

624 MediaCenter.exe

pid	process
624	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:

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.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"	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.240000"	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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1"	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
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\PeerInfoCount = "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\PriorityDownloadCount = "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\MemoryUsageKB = "4144"	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\DownloadMonthlyLinkLocalBytes = "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\CacheSizeBytes = "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\DownloadMonthlyGroupBytes = "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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.612844"	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
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\DownloadMonthlyInternetBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\DownloadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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 = "0.000000"	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
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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893159090668083"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3280 PING.EXE

pid	process
3280	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.execmd.exe

description	pid	process	target process
PID 1344 wrote to memory of 624	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	MediaCenter.exe
PID 1344 wrote to memory of 624	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	MediaCenter.exe
PID 1344 wrote to memory of 624	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	MediaCenter.exe
PID 1344 wrote to memory of 3536	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	cmd.exe
PID 1344 wrote to memory of 3536	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	cmd.exe
PID 1344 wrote to memory of 3536	1344	04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe	cmd.exe
PID 3536 wrote to memory of 3280	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 3280	3536	cmd.exe	PING.EXE
PID 3536 wrote to memory of 3280	3536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe
"C:\Users\Admin\AppData\Local\Temp\04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:624

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04d3d9eb6e755a98acf82af1b0079c8530b437210da0184bf7158f2880c6e447.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3280

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1104

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:3560

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:1264

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
09c04a0c86889535dc8e9b9681311e0d

SHA1
10037fae8c288cdf1bfcceafee717723077ebc9e

SHA256
19fff8875df29e157f41b87021071ab4f6144ff1ebf3ef4cb3ce32aae4eb678f

SHA512
a7a9fbc61c857f3663e703d12dc083029177aba6def7048adeccec47d38b3fc667393cad7c530340a86cfb5ae93aa95bc7f6bfdc91b0404e45013bdd9bcd6c16

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
09c04a0c86889535dc8e9b9681311e0d

SHA1
10037fae8c288cdf1bfcceafee717723077ebc9e

SHA256
19fff8875df29e157f41b87021071ab4f6144ff1ebf3ef4cb3ce32aae4eb678f

SHA512
a7a9fbc61c857f3663e703d12dc083029177aba6def7048adeccec47d38b3fc667393cad7c530340a86cfb5ae93aa95bc7f6bfdc91b0404e45013bdd9bcd6c16

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads