sakula | 143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191

General

Target

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe
Size

60KB
MD5

e3314d4dd66362255d1703840cfbe109
SHA1

fdbbbc51c7a7ec686842604b4284ff58d49af97a
SHA256

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191
SHA512

b8ec4cd7e5efcfaa948abfe69cc0b7a38c186e766487a7c94d62d9442ce0542f83beac0591e624f8cbf063eb5cd296aee9ce76b46f9ccf2a2b0f4fe8b42b148e

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

376 MediaCenter.exe

pid	process
376	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:

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.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"	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.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 (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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.264546"	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\DownloadMonthlyGroupBytes = "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\Usage\CPUpct = "1.195214"	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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892915643518907"	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\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\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\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\CDNConnectionCount = "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\MemoryUsageKB = "4152"	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\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\MonthlyUploadRestriction = "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\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\Usage\MonthID = "2"	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\LANConnectionCount = "0"	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\InternetConnectionCount = "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\DownloadMonthlyInternetBytes = "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\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\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\Usage\CPUpct = "0.078906"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1880 PING.EXE

pid	process
1880	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe
Token: SeBackupPrivilege	1804	TiWorker.exe
Token: SeRestorePrivilege	1804	TiWorker.exe
Token: SeSecurityPrivilege	1804	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.execmd.exe

description	pid	process	target process
PID 2320 wrote to memory of 376	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	MediaCenter.exe
PID 2320 wrote to memory of 376	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	MediaCenter.exe
PID 2320 wrote to memory of 376	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	MediaCenter.exe
PID 2320 wrote to memory of 916	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	cmd.exe
PID 2320 wrote to memory of 916	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	cmd.exe
PID 2320 wrote to memory of 916	2320	143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe	cmd.exe
PID 916 wrote to memory of 1880	916	cmd.exe	PING.EXE
PID 916 wrote to memory of 1880	916	cmd.exe	PING.EXE
PID 916 wrote to memory of 1880	916	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe
"C:\Users\Admin\AppData\Local\Temp\143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:376

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\143c2210e6fc58ce545ad1523a1da1672a14f5556e3e857b6643b07d17749191.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:916

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1880

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3908

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:3392

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:1804

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
89219fa7572efb0efe2bc08d6d02833c

SHA1
d7f170a268bafddddf1dce4d6007e57ee52a1fc7

SHA256
47bbd3f1bfae3010a10065db8ee8f5f4dc0c95597e1da448061be9c22bea8d4a

SHA512
699f1b7ab7a46c86a1f897c2b4a14cbca4fc9c040b3341b2f1e2bb21004e0153d75ea22d393b9182661e73f0596637ef7d314939f375489c545a603176c9e862

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

MD5
89219fa7572efb0efe2bc08d6d02833c

SHA1
d7f170a268bafddddf1dce4d6007e57ee52a1fc7

SHA256
47bbd3f1bfae3010a10065db8ee8f5f4dc0c95597e1da448061be9c22bea8d4a

SHA512
699f1b7ab7a46c86a1f897c2b4a14cbca4fc9c040b3341b2f1e2bb21004e0153d75ea22d393b9182661e73f0596637ef7d314939f375489c545a603176c9e862

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads