sakula | 123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86

General

Target

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe
Size

99KB
MD5

9c8008335469eeb25e7428319b00ecce
SHA1

7358e6e11a73877ea9ed009ebef983cdf5619d0d
SHA256

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86
SHA512

a99997df5b1f0526c22159217c9295d0bf408d0edddcde58ce2456debac0a611e97d939d75bcac867241523b1f7378d25c7b45d1a94ad8516b3d3cef711f3b78

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

3084 MediaCenter.exe

pid	process
3084	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:

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.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"	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\Usage	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 (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\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\MonthlyUploadRestriction = "0"	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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.807489"	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\InternetConnectionCount = "0"	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\Config	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\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 (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\SwarmCount = "1"	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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892942657223835"	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\Usage\CPUpct = "1.477857"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4040 PING.EXE

pid	process
4040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe
Token: SeBackupPrivilege	1956	TiWorker.exe
Token: SeRestorePrivilege	1956	TiWorker.exe
Token: SeSecurityPrivilege	1956	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.execmd.exe

description	pid	process	target process
PID 3644 wrote to memory of 3084	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	MediaCenter.exe
PID 3644 wrote to memory of 3084	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	MediaCenter.exe
PID 3644 wrote to memory of 3084	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	MediaCenter.exe
PID 3644 wrote to memory of 3804	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	cmd.exe
PID 3644 wrote to memory of 3804	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	cmd.exe
PID 3644 wrote to memory of 3804	3644	123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe	cmd.exe
PID 3804 wrote to memory of 4040	3804	cmd.exe	PING.EXE
PID 3804 wrote to memory of 4040	3804	cmd.exe	PING.EXE
PID 3804 wrote to memory of 4040	3804	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe
"C:\Users\Admin\AppData\Local\Temp\123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\123b85573144ed778ecac786408283a2e3728e5894f7ef9183027387befbed86.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3804

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4040

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2996

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:3068

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:1956

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
f27ba564944a2ca211042360da917293

SHA1
8ee8366d4373cabd7b44387912aab40a61b929d3

SHA256
1dbad65fa7b52ab5e44c750f7f0485fa13ea0c98bc3c53293f7112420e2a4c6b

SHA512
e40fdbe86d119cf67b385551fea48df1f367f4fe4a24cd50db990b433a9867892fcdc8f0edc69b05b36c0aa9237530dccd54f56cb763486299f2cd1359dc6110

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

MD5
f27ba564944a2ca211042360da917293

SHA1
8ee8366d4373cabd7b44387912aab40a61b929d3

SHA256
1dbad65fa7b52ab5e44c750f7f0485fa13ea0c98bc3c53293f7112420e2a4c6b

SHA512
e40fdbe86d119cf67b385551fea48df1f367f4fe4a24cd50db990b433a9867892fcdc8f0edc69b05b36c0aa9237530dccd54f56cb763486299f2cd1359dc6110

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads