sakula | 12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156

General

Target

12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe
Size

60KB
MD5

f62382d705dfee7f41500537914ad13a
SHA1

04ef0e1a7d3983b037b759c5953dc40a5d0eed9d
SHA256

12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156
SHA512

fb451b6ba915a0f54b94a287de4049bb3b94e300ff469a15528e071370c10f5b5dedbe27c07ee58bcf9f847a3b24db9a4c666bb590ce88b49b6d37e160b0e5b5

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

1648 MediaCenter.exe

pid	process
1648	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:

12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.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"	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyLinkLocalBytes = "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\Usage\CPUpct = "1.893903"	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\MemoryUsageKB = "3904"	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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.000794"	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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "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 = "9.999770"	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\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\UplinkUsageBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892935485912053"	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\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\MemoryUsageKB = "4272"	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 = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\DownlinkBps = "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\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 (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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3436 PING.EXE

pid	process
3436	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe

description	pid	process
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe
Token: SeBackupPrivilege	1972	TiWorker.exe
Token: SeRestorePrivilege	1972	TiWorker.exe
Token: SeSecurityPrivilege	1972	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.execmd.exe

description	pid	process	target process
PID 2408 wrote to memory of 1648	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	MediaCenter.exe
PID 2408 wrote to memory of 1648	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	MediaCenter.exe
PID 2408 wrote to memory of 1648	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	MediaCenter.exe
PID 2408 wrote to memory of 2176	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	cmd.exe
PID 2408 wrote to memory of 2176	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	cmd.exe
PID 2408 wrote to memory of 2176	2408	12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe	cmd.exe
PID 2176 wrote to memory of 3436	2176	cmd.exe	PING.EXE
PID 2176 wrote to memory of 3436	2176	cmd.exe	PING.EXE
PID 2176 wrote to memory of 3436	2176	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe
"C:\Users\Admin\AppData\Local\Temp\12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12d15aa0db20ad029e11d28479fdd6b8a48cbf005e99499065e41cd110fc3156.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3436

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2516

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:3708

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:1972

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
6af58251bc5bcf3e375e4c273f90876a

SHA1
3b4d9976445fa4e1a3cc0e286830ce7b58c905c8

SHA256
26d2a2db1dd264b75da65873a8a5a18b49e675150a22d60e40d0341005a3a6b4

SHA512
5ab26e86fe90bedbbdfa128be327e737a86a8625f2892daab1d6daf4e0c6055f9932c8758528339984e255995a85a4cf9d6ffb93c46a7ebef10eb087d80c6b6f

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

MD5
6af58251bc5bcf3e375e4c273f90876a

SHA1
3b4d9976445fa4e1a3cc0e286830ce7b58c905c8

SHA256
26d2a2db1dd264b75da65873a8a5a18b49e675150a22d60e40d0341005a3a6b4

SHA512
5ab26e86fe90bedbbdfa128be327e737a86a8625f2892daab1d6daf4e0c6055f9932c8758528339984e255995a85a4cf9d6ffb93c46a7ebef10eb087d80c6b6f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads