sakula | 0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f

General

Target

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe
Size

176KB
MD5

b11ee71e76eba5c974d677e45a899268
SHA1

c15bbbe804c434a5f7f4af888198c6f7a6260740
SHA256

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f
SHA512

e4db3e8a80d5ccec48fc9cd6bef688ec84694faafa3b336f509ac54ce6cd4f4bf30974909a25f27fa879d4e53c14a112733d1f35b0a4c2fafa32d529d1b557ee

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 3 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
behavioral2/memory/2940-132-0x0000000000400000-0x0000000000420000-memory.dmp	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

2372 MediaCenter.exe

pid	process
2372	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:

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.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"	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.663112"	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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\UplinkBps = "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\DownlinkBps = "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\MemoryUsageKB = "4304"	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\UploadMonthlyLanBytes = "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 (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\LinkLocalConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	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\PriorityDownloadCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.007483"	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\UploadMonthlyInternetBytes = "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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.692611"	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\DownloadMonthlyCacheHostBytes = "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\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\GroupConnectionCount = "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\UplinkUsageBps = "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\Config	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\Config\KVFileExpirationTime = "132893024970387957"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1420 PING.EXE

pid	process
1420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe
Token: SeBackupPrivilege	3844	TiWorker.exe
Token: SeRestorePrivilege	3844	TiWorker.exe
Token: SeSecurityPrivilege	3844	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.execmd.exe

description	pid	process	target process
PID 2940 wrote to memory of 2372	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	MediaCenter.exe
PID 2940 wrote to memory of 2372	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	MediaCenter.exe
PID 2940 wrote to memory of 2372	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	MediaCenter.exe
PID 2940 wrote to memory of 3956	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	cmd.exe
PID 2940 wrote to memory of 3956	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	cmd.exe
PID 2940 wrote to memory of 3956	2940	0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe	cmd.exe
PID 3956 wrote to memory of 1420	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 1420	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 1420	3956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe
"C:\Users\Admin\AppData\Local\Temp\0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2372

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c886d16d4625c4356aa086992676aaadf2c038661280ac0eac1b85881513f6f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2356

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:3472

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:3844

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
8eb1c9ee996eae1ff1bb2eefc69d02d5

SHA1
24f582ba2ca893744797861bca45a259bf74b792

SHA256
2768f4e7061313951226df76258eff76d69e2b79af91effa8ea1c641ba36f53e

SHA512
1e833436a5344375e54ac6b8b5128cd90b921176c1f8945e8bf02e15844e3cfd8df620d809bbf9ff899be691d60fe35049707e3a750f3b917b7b03187f1a90d7

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

MD5
8eb1c9ee996eae1ff1bb2eefc69d02d5

SHA1
24f582ba2ca893744797861bca45a259bf74b792

SHA256
2768f4e7061313951226df76258eff76d69e2b79af91effa8ea1c641ba36f53e

SHA512
1e833436a5344375e54ac6b8b5128cd90b921176c1f8945e8bf02e15844e3cfd8df620d809bbf9ff899be691d60fe35049707e3a750f3b917b7b03187f1a90d7

Download Submit
memory/2940-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads