sakula | 088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d

General

Target

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe
Size

92KB
MD5

d0808d302fb0b6ca663538c41050377c
SHA1

ab59bccc0dc075d9368fbc432dda6a3570d05985
SHA256

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d
SHA512

c50464ddc53a014cd0ba2bc5a85711fc742cd24d09a106e576c4d6113c3b87a9334f3511792df56b249d713090efa47628e6abb14fcfcd6bc504711e131c3c97

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

760 MediaCenter.exe

pid	process
760	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:

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.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"	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132893106956325171"	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\Usage\PriorityDownloadCount = "0"	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\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\LinkLocalConnectionCount = "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\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
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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.043518"	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\UplinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownlinkBps = "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\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\UploadRatePct = "100"	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\NormalDownloadPendingCount = "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	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\DownloadMonthlyRateFrCnt = "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\BkDownloadRatePct = "45"	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 = "4.999601"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	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\MonthID = "2"	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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4100"	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\UploadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1756 PING.EXE

pid	process
1756	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe
Token: SeBackupPrivilege	3056	TiWorker.exe
Token: SeRestorePrivilege	3056	TiWorker.exe
Token: SeSecurityPrivilege	3056	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.execmd.exe

description	pid	process	target process
PID 1696 wrote to memory of 760	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	MediaCenter.exe
PID 1696 wrote to memory of 760	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	MediaCenter.exe
PID 1696 wrote to memory of 760	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	MediaCenter.exe
PID 1696 wrote to memory of 3204	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	cmd.exe
PID 1696 wrote to memory of 3204	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	cmd.exe
PID 1696 wrote to memory of 3204	1696	088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe	cmd.exe
PID 3204 wrote to memory of 1756	3204	cmd.exe	PING.EXE
PID 3204 wrote to memory of 1756	3204	cmd.exe	PING.EXE
PID 3204 wrote to memory of 1756	3204	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe
"C:\Users\Admin\AppData\Local\Temp\088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:760

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\088a10397d2feff339693167002501e5ceae71de684b3bb29f1921cd86d44c9d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3204

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1756

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2512

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:464

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:3056

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
b38b31a09a37a244299cea7b134f3af7

SHA1
9afd8860e2873264f37784240184db19b3e01a7d

SHA256
aa3ef88a40040dced9141be6feac5b21a1657403782dd13a6006387014221383

SHA512
190a9fe117d0da729f0bc0a598e93edae65f3f1f3721c9d307477aebf2f164e3d79d0e727e5d101badbe7af6afd65909f6233c8df174e62197067e76a365af7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b38b31a09a37a244299cea7b134f3af7

SHA1
9afd8860e2873264f37784240184db19b3e01a7d

SHA256
aa3ef88a40040dced9141be6feac5b21a1657403782dd13a6006387014221383

SHA512
190a9fe117d0da729f0bc0a598e93edae65f3f1f3721c9d307477aebf2f164e3d79d0e727e5d101badbe7af6afd65909f6233c8df174e62197067e76a365af7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads