sakula | 16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af

General

Target

16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe
Size

101KB
MD5

b1d16fb35ceb9ab3dc94971a342dc22e
SHA1

e80879547e0eb856ba17413585fdd0ebac98a6b9
SHA256

16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af
SHA512

5db70a7f0adda3e968b615f2101a7252459a92d8b35ebe37fdcd0f47a73bce9c0097b4fe913837caa0d6dd8bdf7b8c1cf1a65f530da71eb748f22bd3dd5c8613

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

3264 MediaCenter.exe

pid	process
3264	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:

16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.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"	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.916613"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\UploadCount = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "33.339806"	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\DownloadMonthlyGroupBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\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\SwarmCount = "1"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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 = "3.125180"	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892879767983014"	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\LANConnectionCount = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\DownlinkUsageBps = "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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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\Config\DODownloadMode = "1"	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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3664 PING.EXE

pid	process
3664	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe

description	pid	process
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.execmd.exe

description	pid	process	target process
PID 2612 wrote to memory of 3264	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	MediaCenter.exe
PID 2612 wrote to memory of 3264	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	MediaCenter.exe
PID 2612 wrote to memory of 3264	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	MediaCenter.exe
PID 2612 wrote to memory of 1280	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	cmd.exe
PID 2612 wrote to memory of 1280	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	cmd.exe
PID 2612 wrote to memory of 1280	2612	16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe	cmd.exe
PID 1280 wrote to memory of 3664	1280	cmd.exe	PING.EXE
PID 1280 wrote to memory of 3664	1280	cmd.exe	PING.EXE
PID 1280 wrote to memory of 3664	1280	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe
"C:\Users\Admin\AppData\Local\Temp\16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3264

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16a8da50e08d00aab46844a92b28ab6bd30a28bad55617dd95fdece5f4cb88af.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3664

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2644

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:3412

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:3044

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
eaa9c2f28209201550e9737b4fc77df4

SHA1
79c7a141be6e40ff225719c6421f6c1d45a1d63c

SHA256
664abdf253311ddf4b90993175d5e5f60bf9237e8bffece4715bdd1bf2731baf

SHA512
18225b13053543e9dde09d22c80baaca69f257d351dd9cb07289b9cff694e25fa1f99ce9fb288531498879ba2f8d3abe9043132afc8d30c1dd87bf25fc649d0a

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

MD5
eaa9c2f28209201550e9737b4fc77df4

SHA1
79c7a141be6e40ff225719c6421f6c1d45a1d63c

SHA256
664abdf253311ddf4b90993175d5e5f60bf9237e8bffece4715bdd1bf2731baf

SHA512
18225b13053543e9dde09d22c80baaca69f257d351dd9cb07289b9cff694e25fa1f99ce9fb288531498879ba2f8d3abe9043132afc8d30c1dd87bf25fc649d0a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads