sakula | 1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6

General

Target

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe
Size

120KB
MD5

663e215d581f1656f235c8cb9c9694ba
SHA1

7b1ae553a1027ed65715356a0a3ef1b9b8ad656c
SHA256

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6
SHA512

9e028eb54367dec8cc9369ab039a5e8d3263397db5ea16de5d97aef60e2e26755c3001721cd5d20141769b83ed3523ee45316dd9d71838066d57159625c9313d

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 4 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
behavioral2/memory/3524-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1556-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1556 MediaCenter.exe

pid	process
1556	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:

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.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"	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.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\MemoryUsageKB = "4240"	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\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\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	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\DownloadMonthlyLanBytes = "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 = "1.626016"	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\Usage\DownloadMonthlyRateBkBps = "0"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkBps = "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\UplinkUsageBps = "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\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132892887648341923"	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\PriorityDownloadCount = "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\SwarmCount = "1"	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\UploadCount = "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\DownlinkBps = "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\Config	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\DownloadMonthlyRateFrCnt = "0"	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\Usage\CPUpct = "0.359713"	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\UploadRatePct = "100"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\SwarmCount = "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:

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe
Token: SeBackupPrivilege	3416	TiWorker.exe
Token: SeRestorePrivilege	3416	TiWorker.exe
Token: SeSecurityPrivilege	3416	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.execmd.exe

description	pid	process	target process
PID 3524 wrote to memory of 1556	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	MediaCenter.exe
PID 3524 wrote to memory of 1556	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	MediaCenter.exe
PID 3524 wrote to memory of 1556	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	MediaCenter.exe
PID 3524 wrote to memory of 2804	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	cmd.exe
PID 3524 wrote to memory of 2804	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	cmd.exe
PID 3524 wrote to memory of 2804	3524	1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe	cmd.exe
PID 2804 wrote to memory of 3404	2804	cmd.exe	PING.EXE
PID 2804 wrote to memory of 3404	2804	cmd.exe	PING.EXE
PID 2804 wrote to memory of 3404	2804	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe
"C:\Users\Admin\AppData\Local\Temp\1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1556

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1619265794e91754830faffab744993ae54087a7e1a93825e144cd5c28e0faa6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2804

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:2596

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:3820

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:3416

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
4f0a1c22a38c2041581a331ee6cb5027

SHA1
76047614414ae8792b47550131f1988bf8a8a5fa

SHA256
c20bd8e85f0a6cc660fd27711239b352e3f3cc52888f4864cb6e1df105d1049b

SHA512
b54e76c27448b7bff4ca19b8f2c12e0a156c328382369ab1611e5e970ff57480ac21677948a968c4bb395a20f6a7ff9eca516332193859ed0888426eff3fdfaf

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

MD5
4f0a1c22a38c2041581a331ee6cb5027

SHA1
76047614414ae8792b47550131f1988bf8a8a5fa

SHA256
c20bd8e85f0a6cc660fd27711239b352e3f3cc52888f4864cb6e1df105d1049b

SHA512
b54e76c27448b7bff4ca19b8f2c12e0a156c328382369ab1611e5e970ff57480ac21677948a968c4bb395a20f6a7ff9eca516332193859ed0888426eff3fdfaf

Download Submit
memory/1556-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3524-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads