sakula | 0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1

General

Target

0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
Size

79KB
MD5

bde21b216843d962169c77c8ca5d47a3
SHA1

60f2d63b748ccf0cc7b382163ff835c02b1a7672
SHA256

0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1
SHA512

76ecdeb4aa504b256951373132b26f9488a5face14500c631023fd86bd8b1c833ff298e2024bed59ef8c4963328f85e04fbc00bb76753d77838caf4d3b2ce99a

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

1440 MediaCenter.exe

pid	process
1440	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:

0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.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"	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadRatePct = "100"	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\InternetConnectionCount = "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 = "5.797296"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\DownlinkBps = "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\MemoryUsageKB = "4068"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.123967"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	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\CacheSizeBytes = "0"	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\Config\KVFileExpirationTime = "132893170843838556"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkBps = "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
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\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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4016"	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\Config\DODownloadMode = "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\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\NormalDownloadCount = "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\DownloadMonthlyCdnBytes = "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\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\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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3100 PING.EXE

pid	process
3100	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe

description	pid	process
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeIncBasePriorityPrivilege	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe
Token: SeBackupPrivilege	1852	TiWorker.exe
Token: SeRestorePrivilege	1852	TiWorker.exe
Token: SeSecurityPrivilege	1852	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.execmd.exe

description	pid	process	target process
PID 992 wrote to memory of 1440	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	MediaCenter.exe
PID 992 wrote to memory of 1440	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	MediaCenter.exe
PID 992 wrote to memory of 1440	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	MediaCenter.exe
PID 992 wrote to memory of 2324	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	cmd.exe
PID 992 wrote to memory of 2324	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	cmd.exe
PID 992 wrote to memory of 2324	992	0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe	cmd.exe
PID 2324 wrote to memory of 3100	2324	cmd.exe	PING.EXE
PID 2324 wrote to memory of 3100	2324	cmd.exe	PING.EXE
PID 2324 wrote to memory of 3100	2324	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe
"C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1440

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0403fc465a1b576e09413aeb3b562bd510559ae151e08b8dccee240a28a819c1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2324

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3100

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2436

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:636

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:1852

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
ac36ad4f2a4687ddd6a9672650152dba

SHA1
dae56925833473e1f27ccffd9bc2d6fb36dfeb08

SHA256
861278380164bf437311942b891d06da70350d6fed187e89175697868a550113

SHA512
8e7e76b9541bb8b45ff19795195f1b937abeb6febef676daa2e688f2635e83485cca4ab70242489595879a2d01f6f464fa67aaf82c3c7feb197ba9ebd2230d80

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ac36ad4f2a4687ddd6a9672650152dba

SHA1
dae56925833473e1f27ccffd9bc2d6fb36dfeb08

SHA256
861278380164bf437311942b891d06da70350d6fed187e89175697868a550113

SHA512
8e7e76b9541bb8b45ff19795195f1b937abeb6febef676daa2e688f2635e83485cca4ab70242489595879a2d01f6f464fa67aaf82c3c7feb197ba9ebd2230d80

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads