sakula | 1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729

General

Target

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe
Size

99KB
MD5

2586c400ec98b511970de9345e1b7020
SHA1

62f5a48ca35be9fb23ae8d2c3281a68051448fb3
SHA256

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729
SHA512

bae469afba4658c3956b97d0d52d1b2f715fe8431dc824be4d4e0ca2cfd5d19d2c76ac89ed59c5d1491e41d3bc4e223e7d90b5f1c9eaea382012e813d3be1ba8

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

3628 MediaCenter.exe

pid	process
3628	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:

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.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"	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkBps = "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\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\CDNConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	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
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\MemoryUsageKB = "4344"	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\NormalDownloadCount = "0"	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\UploadMonthlyInternetBytes = "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\UploadCount = "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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0"	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 = "0.740732"	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\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 (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
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\Config\KVFileExpirationTime = "132892968925712278"	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\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 (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 = "4148"	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\DownloadMonthlyInternetBytes = "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\UplinkBps = "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\PeerInfoCount = "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\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3404 PING.EXE

pid	process
3404	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe
Token: SeBackupPrivilege	4032	TiWorker.exe
Token: SeRestorePrivilege	4032	TiWorker.exe
Token: SeSecurityPrivilege	4032	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.execmd.exe

description	pid	process	target process
PID 704 wrote to memory of 3628	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	MediaCenter.exe
PID 704 wrote to memory of 3628	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	MediaCenter.exe
PID 704 wrote to memory of 3628	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	MediaCenter.exe
PID 704 wrote to memory of 3956	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	cmd.exe
PID 704 wrote to memory of 3956	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	cmd.exe
PID 704 wrote to memory of 3956	704	1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe	cmd.exe
PID 3956 wrote to memory of 3404	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 3404	3956	cmd.exe	PING.EXE
PID 3956 wrote to memory of 3404	3956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe
"C:\Users\Admin\AppData\Local\Temp\1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:704

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1048dbd7e5314c9770645623d3fa6423b7ea071364df22b25e9c8218d3b63729.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3404

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2588

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:676

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:4032

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
24cc56ffab15bb3b2b64142575d5dd7f

SHA1
8f67b5192c856239da98510dab6b34375271f8c2

SHA256
3f99c621a29492b0041e4dfd96713c5443e10b57b95c69290cd3304253ab5657

SHA512
771136493ece3666947b0d1d08141ee16356ed95699460171d88768184b208d361b79e9256d4c6c7851eeb7f09b986e555e24bc108f22bd1ea553c35b6fdbcca

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

MD5
24cc56ffab15bb3b2b64142575d5dd7f

SHA1
8f67b5192c856239da98510dab6b34375271f8c2

SHA256
3f99c621a29492b0041e4dfd96713c5443e10b57b95c69290cd3304253ab5657

SHA512
771136493ece3666947b0d1d08141ee16356ed95699460171d88768184b208d361b79e9256d4c6c7851eeb7f09b986e555e24bc108f22bd1ea553c35b6fdbcca

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads