sakula | 0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6

General

Target

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe
Size

216KB
MD5

b42012cc209e8c2cce5ee3e561dc5e2b
SHA1

4a0677d590ba1dbba03944fbbbc78cdac22f29d2
SHA256

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6
SHA512

807f18eaa9f3c65a7140d30924ae49c410f5cbbca99c5e0448c140f6d9d50e05e9628ca8e568b770ebabb94d1f06f63675f4cee320175fbec5a5a644cf7e436c

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/1132-132-0x0000000000400000-0x0000000000420000-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

1140 MediaCenter.exe

pid	process
1140	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:

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.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"	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.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\DownloadMonthlyRateFrBps = "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\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\DownlinkBps = "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\UploadRatePct = "100"	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 = "2.203414"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.600007"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\UploadMonthlyLanBytes = "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\DownlinkUsageBps = "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\UplinkUsageBps = "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\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893126690401445"	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\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\MonthlyUploadRestriction = "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 = "4056"	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\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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2776 PING.EXE

pid	process
2776	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe
Token: SeBackupPrivilege	1464	TiWorker.exe
Token: SeRestorePrivilege	1464	TiWorker.exe
Token: SeSecurityPrivilege	1464	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.execmd.exe

description	pid	process	target process
PID 1132 wrote to memory of 1140	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	MediaCenter.exe
PID 1132 wrote to memory of 1140	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	MediaCenter.exe
PID 1132 wrote to memory of 1140	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	MediaCenter.exe
PID 1132 wrote to memory of 1792	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	cmd.exe
PID 1132 wrote to memory of 1792	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	cmd.exe
PID 1132 wrote to memory of 1792	1132	0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe	cmd.exe
PID 1792 wrote to memory of 2776	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 2776	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 2776	1792	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe
"C:\Users\Admin\AppData\Local\Temp\0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0757da05fc83f8463a5f763605160d96017217fc9da0ccbfc14738e6407127e6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2776

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2420

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:1484

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:1464

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
25e3672ff2277e87c21a44266e566126

SHA1
eb67e183923f73457539f3576c1867ac2a634766

SHA256
6cb68105e062ec8fbdd41e7ff89acb9b6d91fd5e1059cc9f5317912f978bea94

SHA512
2554cc70d17abeb2f96a36225d18d58b73297d14876f0ad2853159a7d8738d71f52dcd04869771428d3dd795b51dfca638eff66214153f58139b7800df6ef05e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
25e3672ff2277e87c21a44266e566126

SHA1
eb67e183923f73457539f3576c1867ac2a634766

SHA256
6cb68105e062ec8fbdd41e7ff89acb9b6d91fd5e1059cc9f5317912f978bea94

SHA512
2554cc70d17abeb2f96a36225d18d58b73297d14876f0ad2853159a7d8738d71f52dcd04869771428d3dd795b51dfca638eff66214153f58139b7800df6ef05e

Download Submit
memory/1132-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads