sakula | 0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710

General

Target

0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe
Size

92KB
MD5

65059c7ee5c15d792bbe81fb7dab2092
SHA1

214b3255435795adf4a2e22b1d84beb13a365267
SHA256

0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710
SHA512

39234fc3c5f6ecc891084a32d3f0a70ba51804d1d927bd1bbd0ebc9375678d57d74a5fad22bd8688577ef39c48f43e977168cf8ffcaacaff6e9b691f9de5173c

Score

10^/10

sakula persistence rat 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2892 MediaCenter.exe

pid	process
2892	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:

0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.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"	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadCount = "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 = "4328"	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\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\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 = "0.376884"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\DownlinkBps = "0"	svchost.exe
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 = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007061"	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 = "132893122194650135"	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
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\GroupConnectionCount = "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\FrDownloadRatePct = "90"	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\DownloadMonthlyGroupBytes = "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\PriorityDownloadCount = "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\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 = "4132"	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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "3924"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.975620"	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
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\Settings	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3420 PING.EXE

pid	process
3420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe

description	pid	process
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe
Token: SeBackupPrivilege	3100	TiWorker.exe
Token: SeRestorePrivilege	3100	TiWorker.exe
Token: SeSecurityPrivilege	3100	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.execmd.exe

description	pid	process	target process
PID 3380 wrote to memory of 2892	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	MediaCenter.exe
PID 3380 wrote to memory of 2892	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	MediaCenter.exe
PID 3380 wrote to memory of 2892	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	MediaCenter.exe
PID 3380 wrote to memory of 2596	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	cmd.exe
PID 3380 wrote to memory of 2596	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	cmd.exe
PID 3380 wrote to memory of 2596	3380	0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe	cmd.exe
PID 2596 wrote to memory of 3420	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 3420	2596	cmd.exe	PING.EXE
PID 2596 wrote to memory of 3420	2596	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe
"C:\Users\Admin\AppData\Local\Temp\0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3380

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2892

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0795e2efe5b62bb5f5b2b68fa50067f4bda05cbb816b386546057ef5bd18f710.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3480

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:3452

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:3100

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
901f60a967412ebe6f73aab7c59c7044

SHA1
1e8397bedf9df25876a5bdd1c98a6fd25362c454

SHA256
3ea860f91c63872121382bdf7267e73fabc26c4e5eccb037fcb1845375feb6cf

SHA512
d4c32ff455457d3394d1ef613a5e7b11485c849fcedb63fe92194a10c6c68375b6329ed7aefec99ab6ea7478e4da1909d29cba38146bdc3bc30cdf7184fb69f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
901f60a967412ebe6f73aab7c59c7044

SHA1
1e8397bedf9df25876a5bdd1c98a6fd25362c454

SHA256
3ea860f91c63872121382bdf7267e73fabc26c4e5eccb037fcb1845375feb6cf

SHA512
d4c32ff455457d3394d1ef613a5e7b11485c849fcedb63fe92194a10c6c68375b6329ed7aefec99ab6ea7478e4da1909d29cba38146bdc3bc30cdf7184fb69f1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads