sakula | 18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3

General

Target

18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe
Size

89KB
MD5

49decba5ea63e659623f87b7362b5625
SHA1

88385e3220f69a9a710f18fb16708a4bcfec8b57
SHA256

18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3
SHA512

28a9f00e94b8e593c7c4a192b709f052617ee56feaf9ef22d5d218185bf6638264363578feef81a5cbe8e0d7028a496546bbb679b8fc498070ad042cea98d982

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

804 MediaCenter.exe

pid	process
804	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:

18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.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"	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.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

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 46 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\DownloadMonthlyLanBytes = "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 = "40.014341"	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\InternetConnectionCount = "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\SwarmCount = "1"	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\DownlinkBps = "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\DownloadMonthlyRateFrBps = "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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.135397"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\MonthID = "2"	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\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 (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\CDNConnectionCount = "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\UploadCount = "0"	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 = "24.984010"	svchost.exe
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 (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\LANConnectionCount = "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\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\UploadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2676 PING.EXE

pid	process
2676	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe

description	pid	process
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe
Token: SeBackupPrivilege	2316	TiWorker.exe
Token: SeRestorePrivilege	2316	TiWorker.exe
Token: SeSecurityPrivilege	2316	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.execmd.exe

description	pid	process	target process
PID 2260 wrote to memory of 804	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	MediaCenter.exe
PID 2260 wrote to memory of 804	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	MediaCenter.exe
PID 2260 wrote to memory of 804	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	MediaCenter.exe
PID 2260 wrote to memory of 3680	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	cmd.exe
PID 2260 wrote to memory of 3680	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	cmd.exe
PID 2260 wrote to memory of 3680	2260	18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe	cmd.exe
PID 3680 wrote to memory of 2676	3680	cmd.exe	PING.EXE
PID 3680 wrote to memory of 2676	3680	cmd.exe	PING.EXE
PID 3680 wrote to memory of 2676	3680	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe
"C:\Users\Admin\AppData\Local\Temp\18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18c14e93f375304819d37f21a176ca47510ee745ce5a4271dcdf1b2744af7db3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2676

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3096

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3000

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:2316

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
4b06783404a0ee25261f5de3ef8afd0e

SHA1
5ffdedcd95a73585453cf06f268d917c91c7392f

SHA256
bb644a53c3c6cfad72976aade29c2660e47e9e8e0dbc4d8ad1a90e2cbc6358ba

SHA512
26ca10f92abddfe97f0d81afc1a47b8d0ab5c58e8c1d9923307a32ee843b52023f0a78846c12275572d13b99452cf8e5c3986dbcc36f645b5aec16d2a00f1488

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

MD5
4b06783404a0ee25261f5de3ef8afd0e

SHA1
5ffdedcd95a73585453cf06f268d917c91c7392f

SHA256
bb644a53c3c6cfad72976aade29c2660e47e9e8e0dbc4d8ad1a90e2cbc6358ba

SHA512
26ca10f92abddfe97f0d81afc1a47b8d0ab5c58e8c1d9923307a32ee843b52023f0a78846c12275572d13b99452cf8e5c3986dbcc36f645b5aec16d2a00f1488

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads