sakula | 18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710

General

Target

18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe
Size

99KB
MD5

4f10578218af901d1d5e7c3b07c54435
SHA1

8ac0121208dd1cae7161ff2817f03f1139b385f4
SHA256

18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710
SHA512

99148485e452103cb863198d9181afb53989f4d1e0460d6f88100a0df64837da87d754b41465dd1548d9198a871665157631f637dc007abe730a7b637cfb1c98

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

2212 MediaCenter.exe

pid	process
2212	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:

18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.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"	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\Usage	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\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\BkDownloadRatePct = "45"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\DownloadMonthlyRateBkCnt = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.261017"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013605"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyCacheHostBytes = "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\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\Config\DODownloadMode = "1"	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\PeerInfoCount = "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\MemoryUsageKB = "4324"	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 = "3928"	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\Config\KVFileExpirationTime = "132892851709207809"	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\DownlinkUsageBps = "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\PriorityDownloadPendingCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.384067"	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\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\DownloadMonthlyLanBytes = "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
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\DownloadMonthlyInternetBytes = "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\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\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1620 PING.EXE

pid	process
1620	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe

description	pid	process
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.execmd.exe

description	pid	process	target process
PID 3756 wrote to memory of 2212	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	MediaCenter.exe
PID 3756 wrote to memory of 2212	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	MediaCenter.exe
PID 3756 wrote to memory of 2212	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	MediaCenter.exe
PID 3756 wrote to memory of 3412	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	cmd.exe
PID 3756 wrote to memory of 3412	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	cmd.exe
PID 3756 wrote to memory of 3412	3756	18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe	cmd.exe
PID 3412 wrote to memory of 1620	3412	cmd.exe	PING.EXE
PID 3412 wrote to memory of 1620	3412	cmd.exe	PING.EXE
PID 3412 wrote to memory of 1620	3412	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe
"C:\Users\Admin\AppData\Local\Temp\18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3756

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18a2110951a4bb5bdaacfee3d31c7dfabded4545d38a225f092dd10ab2cd3710.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1620

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3180

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:3288

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:2644

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
70391f100268b3dbb77c23834e2687b6

SHA1
87d70424b3f716113deea0581bf74b4f40f2a4bd

SHA256
69fd1deee6f82a0aeb25c1e8175b66e7d18d5a3ed928e632258463f58177da74

SHA512
9882428376d87154426aad5f85a6aa0eab5b6dd51acbfe851e7dce0780532afb56dee3d5f50905ee05d3628f6d8eea750eafaac5d974cd5eb4cff7e2800359f3

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

MD5
70391f100268b3dbb77c23834e2687b6

SHA1
87d70424b3f716113deea0581bf74b4f40f2a4bd

SHA256
69fd1deee6f82a0aeb25c1e8175b66e7d18d5a3ed928e632258463f58177da74

SHA512
9882428376d87154426aad5f85a6aa0eab5b6dd51acbfe851e7dce0780532afb56dee3d5f50905ee05d3628f6d8eea750eafaac5d974cd5eb4cff7e2800359f3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads