sakula | 0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03

General

Target

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe
Size

150KB
MD5

fa5cc5f6b2591ba50d8b3d63d36b94ef
SHA1

335455c741eea5b6263ee79f46751f3e1b29bc0a
SHA256

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03
SHA512

55a0d7958003d8584bf2159732a21677a40c86bfd08a90f8860cc5c4dbef7bce079ee420c9c99db9797297301dbf8ee0fe85b745b39deae84c709748e3c5df65

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

1136 MediaCenter.exe

pid	process
1136	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:

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.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"	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\UploadMonthlyInternetBytes = "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\CDNConnectionCount = "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\UplinkUsageBps = "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\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\CacheSizeBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.694415"	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\DownloadMonthlyLinkLocalBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.234562"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337718"	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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0"	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\DownloadMonthlyRateFrCnt = "0"	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\PriorityDownloadCount = "0"	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\DownloadMonthlyLanBytes = "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\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\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\NormalDownloadCount = "0"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893178049981146"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3768 PING.EXE

pid	process
3768	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.execmd.exe

description	pid	process	target process
PID 1512 wrote to memory of 1136	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	MediaCenter.exe
PID 1512 wrote to memory of 1136	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	MediaCenter.exe
PID 1512 wrote to memory of 1136	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	MediaCenter.exe
PID 1512 wrote to memory of 2304	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	cmd.exe
PID 1512 wrote to memory of 2304	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	cmd.exe
PID 1512 wrote to memory of 2304	1512	0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe	cmd.exe
PID 2304 wrote to memory of 3768	2304	cmd.exe	PING.EXE
PID 2304 wrote to memory of 3768	2304	cmd.exe	PING.EXE
PID 2304 wrote to memory of 3768	2304	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe
"C:\Users\Admin\AppData\Local\Temp\0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1136

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0391d5f8055b390f303b4ee164414c09206a558ab6ee99b844126f20877c8c03.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2304

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3768

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1760

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:2944

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:2992

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
abddd64d131f65c15476c006fcab4136

SHA1
44c2814153d592769a17c147866f127cd381b8bb

SHA256
801ac6a0556e4b01ffc3231b2f6356660a928c4141076c1b2e4ceba81393dbf5

SHA512
9b5ccaab45d5f9c27a525d75799b0aa6044300d15f7646733fb9ec8c2348980c645a330c7c2646f3ad090f21a2abb69dacef745db5c14358b88f47bbbca17110

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
abddd64d131f65c15476c006fcab4136

SHA1
44c2814153d592769a17c147866f127cd381b8bb

SHA256
801ac6a0556e4b01ffc3231b2f6356660a928c4141076c1b2e4ceba81393dbf5

SHA512
9b5ccaab45d5f9c27a525d75799b0aa6044300d15f7646733fb9ec8c2348980c645a330c7c2646f3ad090f21a2abb69dacef745db5c14358b88f47bbbca17110

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads