sakula | 051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0

General

Target

051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe
Size

89KB
MD5

31e9aa16fc07d8fbadedae0e8e08710e
SHA1

9d6af53d6a554feb1c07547f812ae922089d4d4d
SHA256

051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0
SHA512

3b747a4cd08600c51fc9c34a4a54ad077e2e0910046a0a100cccb3c39fad31818a0a33dfc4cde8e33d48f7ff1853708fd5547b5337b1e5e9470d3250d02590fb

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

2028 MediaCenter.exe

pid	process
2028	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:

051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.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"	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.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
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\NormalDownloadPendingCount = "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\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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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\Settings	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 = "132893155183815664"	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 = "16.666773"	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\UploadMonthlyLanBytes = "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\MemoryUsageKB = "4100"	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\LANConnectionCount = "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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "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\Config\DODownloadMode = "1"	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\InternetConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.909731"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyRateFrCnt = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.388910"	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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

332 PING.EXE

pid	process
332	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe

description	pid	process
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe
Token: SeBackupPrivilege	3180	TiWorker.exe
Token: SeRestorePrivilege	3180	TiWorker.exe
Token: SeSecurityPrivilege	3180	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.execmd.exe

description	pid	process	target process
PID 2980 wrote to memory of 2028	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	MediaCenter.exe
PID 2980 wrote to memory of 2028	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	MediaCenter.exe
PID 2980 wrote to memory of 2028	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	MediaCenter.exe
PID 2980 wrote to memory of 1188	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	cmd.exe
PID 2980 wrote to memory of 1188	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	cmd.exe
PID 2980 wrote to memory of 1188	2980	051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe	cmd.exe
PID 1188 wrote to memory of 332	1188	cmd.exe	PING.EXE
PID 1188 wrote to memory of 332	1188	cmd.exe	PING.EXE
PID 1188 wrote to memory of 332	1188	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe
"C:\Users\Admin\AppData\Local\Temp\051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\051782ba762f8b41c109d1e1edb4c605074a2c3e87e02df3c232c5039e6658c0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:332

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2216

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:3412

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:3180

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
c3f6161f0e2c488a987193c925dc6f6f

SHA1
2a601179e2093718a39f3568519d22b2645477cc

SHA256
4e6c8872974a69bed87185068253e1c4946f2d0ae3784c2d13a5eeac6dbd0534

SHA512
b6ee479989e2a66a3ea84e522d3a576984d4ca7a17c03655ef2e6c78bd0589e93b3a4db23d8b0ba16c9d95bc3e319afbc7ce4441185fbbd733f19a371a8bfac3

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c3f6161f0e2c488a987193c925dc6f6f

SHA1
2a601179e2093718a39f3568519d22b2645477cc

SHA256
4e6c8872974a69bed87185068253e1c4946f2d0ae3784c2d13a5eeac6dbd0534

SHA512
b6ee479989e2a66a3ea84e522d3a576984d4ca7a17c03655ef2e6c78bd0589e93b3a4db23d8b0ba16c9d95bc3e319afbc7ce4441185fbbd733f19a371a8bfac3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads