sakula | 15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592

General

Target

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe
Size

79KB
MD5

0bbfcac9118dc7ec439fc54d33f395d1
SHA1

f21dde50bd56587391cd9f081609b8423b2ebf66
SHA256

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592
SHA512

dd765b80a86ab915c1863d4f8cb076464afa9f83322706865cb015764f978828ad6b3ae5f481577029f914827254e6570761f5b50aef019f340c3491120e33d5

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

1640 MediaCenter.exe

pid	process
1640	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:

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.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"	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.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\PeerInfoCount = "0"	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	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\Config\DownloadMode_BackCompat = "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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4344"	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 (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 (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\MemoryUsageKB = "4136"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\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\DownloadMonthlyRateFrCnt = "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\UploadCount = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892895264513325"	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\DownlinkUsageBps = "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\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\NormalDownloadPendingCount = "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 = "3.182027"	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\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\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\PriorityDownloadCount = "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\DownloadMonthlyInternetBytes = "0"	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\DownloadMonthlyGroupBytes = "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

3044 PING.EXE

pid	process
3044	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe
Token: SeBackupPrivilege	1696	TiWorker.exe
Token: SeRestorePrivilege	1696	TiWorker.exe
Token: SeSecurityPrivilege	1696	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.execmd.exe

description	pid	process	target process
PID 2400 wrote to memory of 1640	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	MediaCenter.exe
PID 2400 wrote to memory of 1640	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	MediaCenter.exe
PID 2400 wrote to memory of 1640	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	MediaCenter.exe
PID 2400 wrote to memory of 2612	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	cmd.exe
PID 2400 wrote to memory of 2612	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	cmd.exe
PID 2400 wrote to memory of 2612	2400	15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe	cmd.exe
PID 2612 wrote to memory of 3044	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 3044	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 3044	2612	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe
"C:\Users\Admin\AppData\Local\Temp\15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a313ee3ad70b7fce2de1bad18e3f3d015abb087d80127e1ce114e939f85592.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2612

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3044

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2084

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:3332

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:1696

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
7a369e331f1865dbe9cb5fbde3312d62

SHA1
32d9892830f1696631988cd24b490f07e53140dd

SHA256
54431d332327131fb6fa75e46adda8ddb93f6e22ce5f8799beee45b3b3b63944

SHA512
10118c7d9dc22a85d75929013ae863fdf6edd4c6173212aba16a55d30acbd53fb27f43229cf53725692669bbb300894a1b98466be0883c6d3a5fe7322820fafe

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

MD5
7a369e331f1865dbe9cb5fbde3312d62

SHA1
32d9892830f1696631988cd24b490f07e53140dd

SHA256
54431d332327131fb6fa75e46adda8ddb93f6e22ce5f8799beee45b3b3b63944

SHA512
10118c7d9dc22a85d75929013ae863fdf6edd4c6173212aba16a55d30acbd53fb27f43229cf53725692669bbb300894a1b98466be0883c6d3a5fe7322820fafe

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads