sakula | 16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083

General

Target

16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe
Size

150KB
MD5

4a42efd403a045b1417551cf3709dee7
SHA1

3bae8b9af98458fa09a9fe9c23fdc4d5e9aed4d5
SHA256

16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083
SHA512

ad623803750f51253f42ce58a9a1c9631a4251a6c008521fd73311b25ba609a584416465b3b033742ac8945a0da9c89480634bc01876cce83f623c7558c2f09d

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

1216 MediaCenter.exe

pid	process
1216	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:

16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.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"	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.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

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "7.142720"	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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.227790"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\DownloadMonthlyGroupBytes = "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\DownlinkUsageBps = "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\PriorityDownloadPendingCount = "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\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\Config\KVFileExpirationTime = "132892874287150561"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	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\DownloadMonthlyCdnBytes = "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\PriorityDownloadCount = "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\FrDownloadRatePct = "90"	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\Settings	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\DownloadMonthlyRateBkCnt = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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 (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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0"	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\Config\DODownloadMode = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.099371"	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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

644 PING.EXE

pid	process
644	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe

description	pid	process
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe
Token: SeBackupPrivilege	3524	TiWorker.exe
Token: SeRestorePrivilege	3524	TiWorker.exe
Token: SeSecurityPrivilege	3524	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.execmd.exe

description	pid	process	target process
PID 2644 wrote to memory of 1216	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	MediaCenter.exe
PID 2644 wrote to memory of 1216	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	MediaCenter.exe
PID 2644 wrote to memory of 1216	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	MediaCenter.exe
PID 2644 wrote to memory of 3972	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	cmd.exe
PID 2644 wrote to memory of 3972	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	cmd.exe
PID 2644 wrote to memory of 3972	2644	16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe	cmd.exe
PID 3972 wrote to memory of 644	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 644	3972	cmd.exe	PING.EXE
PID 3972 wrote to memory of 644	3972	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe
"C:\Users\Admin\AppData\Local\Temp\16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16f8256c1c9368c94a92f88aff659e1a1dded14478f7d420f69568c268832083.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:644

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:636

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:3524

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
2e245f78418afc0ab22ddb2ca4cc0693

SHA1
495a02b14e72d334d88037ef46927135cef92b1f

SHA256
153320dc33d921d6959243b1d238d5084d504513ded7bde483a4e0fb94b62f8a

SHA512
f766dc33bc918c452e8b075ecd6dd09c5b72d49a1b36cccda236b79d6644dc187f02e7a929bc354c448771de1e5a22000820a1f718ac81b0f025a9780bf41390

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

MD5
2e245f78418afc0ab22ddb2ca4cc0693

SHA1
495a02b14e72d334d88037ef46927135cef92b1f

SHA256
153320dc33d921d6959243b1d238d5084d504513ded7bde483a4e0fb94b62f8a

SHA512
f766dc33bc918c452e8b075ecd6dd09c5b72d49a1b36cccda236b79d6644dc187f02e7a929bc354c448771de1e5a22000820a1f718ac81b0f025a9780bf41390

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads