sakula | 13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369

General

Target

13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe
Size

216KB
MD5

d5cdf590af924e8eecaa7806d1c53791
SHA1

9cc7333eb0a3d95d7e8b82afcdf7de7db1ac28c3
SHA256

13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369
SHA512

7c460765525851445e177f3635d25da71cd80af96b6bb6c4cccc551debf24b651f10d67b170069425175eb7996e2493b76f8e581740c8ee2cd705cbea2964fa6

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 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/3380-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3140 MediaCenter.exe

pid	process
3140	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:

13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.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"	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Usage	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\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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.096277"	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\DownlinkBps = "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\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 (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\Config\DODownloadMode = "1"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.121163"	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\MemoryUsageKB = "4296"	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\Config\KVFileExpirationTime = "132892928977279075"	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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\DownloadMonthlyCacheHostBytes = "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\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\SwarmCount = "1"	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\MemoryUsageKB = "4084"	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\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 (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\InternetConnectionCount = "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
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\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\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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3500 PING.EXE

pid	process
3500	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe

description	pid	process
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe
Token: SeBackupPrivilege	1200	TiWorker.exe
Token: SeRestorePrivilege	1200	TiWorker.exe
Token: SeSecurityPrivilege	1200	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.execmd.exe

description	pid	process	target process
PID 3380 wrote to memory of 3140	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	MediaCenter.exe
PID 3380 wrote to memory of 3140	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	MediaCenter.exe
PID 3380 wrote to memory of 3140	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	MediaCenter.exe
PID 3380 wrote to memory of 1956	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	cmd.exe
PID 3380 wrote to memory of 1956	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	cmd.exe
PID 3380 wrote to memory of 1956	3380	13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe	cmd.exe
PID 1956 wrote to memory of 3500	1956	cmd.exe	PING.EXE
PID 1956 wrote to memory of 3500	1956	cmd.exe	PING.EXE
PID 1956 wrote to memory of 3500	1956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe
"C:\Users\Admin\AppData\Local\Temp\13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.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:3140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13600e30a39be8235d319e91a2ed366553e785574e82ec785314a47c9240e369.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3500

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2760

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:2160

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:1200

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
cefd8769c0fee2589601d94b102ad40a

SHA1
5f7d0aac7fea3f064f63cf0051126855b62b142f

SHA256
c7e65f8075d6f15373f71be967bb186b7922e50d4c64d6bf45d852a50bb4207d

SHA512
8e3168736f56b24fdb54fd114ede2cd6b18dbe5500394858c2afe8ca3a484883ad0764fad8ceae00fa6a8f8a2cfff2817e8367f09697acbcfb6a99c75b7bbef2

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

MD5
cefd8769c0fee2589601d94b102ad40a

SHA1
5f7d0aac7fea3f064f63cf0051126855b62b142f

SHA256
c7e65f8075d6f15373f71be967bb186b7922e50d4c64d6bf45d852a50bb4207d

SHA512
8e3168736f56b24fdb54fd114ede2cd6b18dbe5500394858c2afe8ca3a484883ad0764fad8ceae00fa6a8f8a2cfff2817e8367f09697acbcfb6a99c75b7bbef2

Download Submit
memory/3380-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads