sakula | 1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d

General

Target

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe
Size

99KB
MD5

ba02812316eb6ea7c4ba1af31d83b63d
SHA1

3fc85f3b9b267b00fea32996cf4b46e45167bd7e
SHA256

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d
SHA512

f41a49d2cc39fd63b1b54417da2fe18514db6f7758102c2093be045f1f2135ed3ae08e02637ee14525d95aabbacdaaef48a3f950def8f4eedf3817616cccfc7f

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

2824 MediaCenter.exe

pid	process
2824	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:

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.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"	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "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\GroupConnectionCount = "0"	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\SwarmCount = "1"	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\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\UploadRatePct = "100"	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\MonthID = "2"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkBps = "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\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 (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\Config\DODownloadMode = "1"	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\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 (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\DownlinkBps = "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\BkDownloadRatePct = "45"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.631817"	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\InternetConnectionCount = "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 = "4.310223"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892845906098368"	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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1328 PING.EXE

pid	process
1328	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.execmd.exe

description	pid	process	target process
PID 624 wrote to memory of 2824	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	MediaCenter.exe
PID 624 wrote to memory of 2824	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	MediaCenter.exe
PID 624 wrote to memory of 2824	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	MediaCenter.exe
PID 624 wrote to memory of 908	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	cmd.exe
PID 624 wrote to memory of 908	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	cmd.exe
PID 624 wrote to memory of 908	624	1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe	cmd.exe
PID 908 wrote to memory of 1328	908	cmd.exe	PING.EXE
PID 908 wrote to memory of 1328	908	cmd.exe	PING.EXE
PID 908 wrote to memory of 1328	908	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe
"C:\Users\Admin\AppData\Local\Temp\1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2824

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1920998df65bf1dbf37434e394feb8fa29c8b786496463f4b0bad0229b87fa6d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1328

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3976

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:3772

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:2704

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
88529fa50160b702a38cfffc1ec5369c

SHA1
58fee7c09a8c7f8fa695ce287626d2096e738637

SHA256
5bebe21166167a239ca1b612ee88aee9fbb384db1cba2d09cdbd7b756f81522f

SHA512
d6f78cc0ac0c8ef2cbafc1a1f8bd30ed3cfef54f3df7a400614803dfec37fabddebee1be24cb497ad5941ff023a6bae7d3aba4b88e5d1fce22037d4ef720bc24

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

MD5
88529fa50160b702a38cfffc1ec5369c

SHA1
58fee7c09a8c7f8fa695ce287626d2096e738637

SHA256
5bebe21166167a239ca1b612ee88aee9fbb384db1cba2d09cdbd7b756f81522f

SHA512
d6f78cc0ac0c8ef2cbafc1a1f8bd30ed3cfef54f3df7a400614803dfec37fabddebee1be24cb497ad5941ff023a6bae7d3aba4b88e5d1fce22037d4ef720bc24

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads