sakula | 13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3

General

Target

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe
Size

60KB
MD5

11059d9e62ce8b3ceb514472541cd3f0
SHA1

6ecd077ae3f89f25d91afde883f37d7890c102cf
SHA256

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3
SHA512

6162f74e1a4711edeb5f38749c15ecfdc1751567d967a34d799e41d1a6432946c1a450c44ee58a6d77546215decea245e14696f594f5734429feb175c91b9bcb

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

1532 MediaCenter.exe

pid	process
1532	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:

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.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"	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.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 (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\CDNConnectionCount = "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\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\DownloadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\DownloadMonthlyRateFrCnt = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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\KVFileExpirationTime = "132892921264649684"	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\UplinkBps = "0"	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\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\LANConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\Usage\DownloadMonthlyRateBkBps = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.311668"	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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "15.627144"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3960 PING.EXE

pid	process
3960	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.execmd.exe

description	pid	process	target process
PID 388 wrote to memory of 1532	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	MediaCenter.exe
PID 388 wrote to memory of 1532	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	MediaCenter.exe
PID 388 wrote to memory of 1532	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	MediaCenter.exe
PID 388 wrote to memory of 2344	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	cmd.exe
PID 388 wrote to memory of 2344	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	cmd.exe
PID 388 wrote to memory of 2344	388	13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe	cmd.exe
PID 2344 wrote to memory of 3960	2344	cmd.exe	PING.EXE
PID 2344 wrote to memory of 3960	2344	cmd.exe	PING.EXE
PID 2344 wrote to memory of 3960	2344	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe
"C:\Users\Admin\AppData\Local\Temp\13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:388

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13e31f12336415a67a3603a6c208c25e39c9eca3fed4f23eaa4a300d362c32e3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2344

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3960

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3844

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:2224

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:3284

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
59a16a45577fb6117e80cb23997f5f34

SHA1
142e3be2e4dcef9ee90053bb33e8e02ca7baafac

SHA256
273ada91805720628d377ec744bc213d94760b3324f0915267a0756b01bf9e60

SHA512
c9a401b9fcf43a33d9d4e53411ec0f77d8c9164d1a4481073ecd68f6a66ac74067c3b87b067e5550ad23795efa68f835e1109ef453cc491a973bed11beb22e3d

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

MD5
59a16a45577fb6117e80cb23997f5f34

SHA1
142e3be2e4dcef9ee90053bb33e8e02ca7baafac

SHA256
273ada91805720628d377ec744bc213d94760b3324f0915267a0756b01bf9e60

SHA512
c9a401b9fcf43a33d9d4e53411ec0f77d8c9164d1a4481073ecd68f6a66ac74067c3b87b067e5550ad23795efa68f835e1109ef453cc491a973bed11beb22e3d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads