sakula | 10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f

General

Target

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe
Size

151KB
MD5

7b6d1fda0865dda16ddfb259b216dd00
SHA1

6248e1e63f94a88efd28f3060a2820d1c285d986
SHA256

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f
SHA512

7233888aa0ae4b5feb2e427c2f8ed415d97ed4e2ed8aa8fef5e4d90bfeb538bc5ee2176cf2f03040371b33edc81d4309546cf9990842e265ff9f0eef62319609

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

3628 MediaCenter.exe

pid	process
3628	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:

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.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"	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 50 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\Config\DODownloadMode = "1"	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\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\UploadRatePct = "100"	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\UploadMonthlyLanBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.130377"	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\UploadMonthlyInternetBytes = "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 = "132892964632458910"	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\LANConnectionCount = "0"	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\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 (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 (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\DownloadMonthlyRateBkCnt = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.232713"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyRateFrCnt = "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\Usage\GroupConnectionCount = "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\PriorityDownloadCount = "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\Usage\MemoryUsageKB = "4280"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	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\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\DownlinkBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

384 PING.EXE

pid	process
384	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe
Token: SeBackupPrivilege	444	TiWorker.exe
Token: SeRestorePrivilege	444	TiWorker.exe
Token: SeSecurityPrivilege	444	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.execmd.exe

description	pid	process	target process
PID 4056 wrote to memory of 3628	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	MediaCenter.exe
PID 4056 wrote to memory of 3628	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	MediaCenter.exe
PID 4056 wrote to memory of 3628	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	MediaCenter.exe
PID 4056 wrote to memory of 3556	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	cmd.exe
PID 4056 wrote to memory of 3556	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	cmd.exe
PID 4056 wrote to memory of 3556	4056	10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe	cmd.exe
PID 3556 wrote to memory of 384	3556	cmd.exe	PING.EXE
PID 3556 wrote to memory of 384	3556	cmd.exe	PING.EXE
PID 3556 wrote to memory of 384	3556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe
"C:\Users\Admin\AppData\Local\Temp\10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10a03c26a92c7609ad7365438bb5d348948ebe56011c4b06110448a68639e06f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3556

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:384

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:428

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:780

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:444

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
1d5d5da500c6796a3880e2731f3c8994

SHA1
1d38eab06cdfb80978c077167f027c762b95b145

SHA256
734f03ffe00a3253f7524f37de6091f4f4da0df8dfb1a6fde8f81184ddb2d2e2

SHA512
a40aeb2b3a3da53036bb60446ee0b259b8b82aff8de2ec390486eff9dde11dc5caa59631fa3d1599858cf4a920cda8bea8ff4331cedca0bd8b02433c1db233fd

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

MD5
1d5d5da500c6796a3880e2731f3c8994

SHA1
1d38eab06cdfb80978c077167f027c762b95b145

SHA256
734f03ffe00a3253f7524f37de6091f4f4da0df8dfb1a6fde8f81184ddb2d2e2

SHA512
a40aeb2b3a3da53036bb60446ee0b259b8b82aff8de2ec390486eff9dde11dc5caa59631fa3d1599858cf4a920cda8bea8ff4331cedca0bd8b02433c1db233fd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads