sakula | 0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10

General

Target

0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe
Size

80KB
MD5

dfda312b65477a4ff25af08faf52f1d8
SHA1

0bd0a3ad5891260f49913b9f15f84322d9645591
SHA256

0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10
SHA512

7aa287d6192b594e007d444b5d72f699eb5324082a661d2d2f89ca26263d1d4ca013259768302b94ac4fe9005d37318d3a9ebafbbad737eba03e4beeee2bc55f

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

1856 MediaCenter.exe

pid	process
1856	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:

0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.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"	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132893013729389681"	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 = "4196"	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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555783"	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\PeerInfoCount = "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\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkUsageBps = "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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90"	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 = "0.219780"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3860"	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\SwarmCount = "1"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\UploadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "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\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\GroupConnectionCount = "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 = "0.833312"	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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3388 PING.EXE

pid	process
3388	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe

description	pid	process
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.execmd.exe

description	pid	process	target process
PID 3664 wrote to memory of 1856	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	MediaCenter.exe
PID 3664 wrote to memory of 1856	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	MediaCenter.exe
PID 3664 wrote to memory of 1856	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	MediaCenter.exe
PID 3664 wrote to memory of 3824	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	cmd.exe
PID 3664 wrote to memory of 3824	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	cmd.exe
PID 3664 wrote to memory of 3824	3664	0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe	cmd.exe
PID 3824 wrote to memory of 3388	3824	cmd.exe	PING.EXE
PID 3824 wrote to memory of 3388	3824	cmd.exe	PING.EXE
PID 3824 wrote to memory of 3388	3824	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe
"C:\Users\Admin\AppData\Local\Temp\0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d4a3e9951c9a7ee537516192282c8bbc1fd97df389bf96a4afca6b7fa54ed10.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3824

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3388

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:388

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:3892

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:640

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
ab20d5d5e9354ce45c90f18a5938189a

SHA1
be586c2ee69ee9db8fdb66b8a359f94388309225

SHA256
ee748e2009e3bd0b4bef60e93e73121cc75333c27b85de02d0b41e354c393aca

SHA512
ec1143d3e20b2a45c12cb36a99ba92270e1647f49e5105040ef91487b21ecd47888de6d95e20e301d0aeea13fa109c5684bf8f40883074f52762ba684a45cccb

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

MD5
ab20d5d5e9354ce45c90f18a5938189a

SHA1
be586c2ee69ee9db8fdb66b8a359f94388309225

SHA256
ee748e2009e3bd0b4bef60e93e73121cc75333c27b85de02d0b41e354c393aca

SHA512
ec1143d3e20b2a45c12cb36a99ba92270e1647f49e5105040ef91487b21ecd47888de6d95e20e301d0aeea13fa109c5684bf8f40883074f52762ba684a45cccb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads