sakula | 18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec

General

Target

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe
Size

35KB
MD5

2f56ec39f48ae86c56969eced0f948f9
SHA1

005667e2df5fd6a72e5f1107935cb363e40839a8
SHA256

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec
SHA512

3741235d9a143d7585ea54ce9a5747a87b27ebbba2039ed90225309bb7380cc3a1fbffd6e0319689f482d782093ef92d2bc8d2258c71ce962ae2264989c8c0a4

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3900 MediaCenter.exe

pid	process
3900	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:

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.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"	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\GroupConnectionCount = "0"	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\SwarmCount = "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\LANConnectionCount = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	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\MemoryUsageKB = "4228"	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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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\DownloadMonthlyInternetBytes = "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\PriorityDownloadCount = "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 = "0.213523"	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\Config\KVFileExpirationTime = "132892847021516212"	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\UploadRatePct = "100"	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
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\Settings	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\FrDownloadRatePct = "90"	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 = "0.101902"	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\DownloadMonthlyRateBkCnt = "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 (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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3040 PING.EXE

pid	process
3040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe
Token: SeBackupPrivilege	2224	TiWorker.exe
Token: SeRestorePrivilege	2224	TiWorker.exe
Token: SeSecurityPrivilege	2224	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.execmd.exe

description	pid	process	target process
PID 2272 wrote to memory of 3900	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	MediaCenter.exe
PID 2272 wrote to memory of 3900	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	MediaCenter.exe
PID 2272 wrote to memory of 3900	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	MediaCenter.exe
PID 2272 wrote to memory of 1560	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	cmd.exe
PID 2272 wrote to memory of 1560	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	cmd.exe
PID 2272 wrote to memory of 1560	2272	18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe	cmd.exe
PID 1560 wrote to memory of 3040	1560	cmd.exe	PING.EXE
PID 1560 wrote to memory of 3040	1560	cmd.exe	PING.EXE
PID 1560 wrote to memory of 3040	1560	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe
"C:\Users\Admin\AppData\Local\Temp\18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18fbe675c69e8f723a1a4e6571478634478d13a6fe61c87221c99debfadfe9ec.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1560

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3040

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:992

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:3860

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:2224

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
03ee369ae8e6a2cedec24d33582fda35

SHA1
8ea7f9aa9abd5f6a8ffaae1b62e6246593c8bc3a

SHA256
258f632d500a285cc0938f9a5cf4ae7729806a0fb00ebe692c9287a622949056

SHA512
c34e7c1f6c189e99697ad7d523d22a106e5f070f523604ef3cd7ba494821d30e24c077ab2bb2d7ce453246d68e8b86124be000077c84f94c81a5998a3ecd3905

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

MD5
03ee369ae8e6a2cedec24d33582fda35

SHA1
8ea7f9aa9abd5f6a8ffaae1b62e6246593c8bc3a

SHA256
258f632d500a285cc0938f9a5cf4ae7729806a0fb00ebe692c9287a622949056

SHA512
c34e7c1f6c189e99697ad7d523d22a106e5f070f523604ef3cd7ba494821d30e24c077ab2bb2d7ce453246d68e8b86124be000077c84f94c81a5998a3ecd3905

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads