sakula | 141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48

General

Target

141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe
Size

99KB
MD5

74ba28ae60ca7f800a31da499ce50ff0
SHA1

b69d73fbd6bc8527612d6959916bc86c48a01621
SHA256

141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48
SHA512

6869ed12a41d78cf7b2a7e91f7ce34347a47e5403be60dc91aabc5f13001ccaa14e47250fa1dcbc09002a25c4ed2c4b4c8961dc2b5b9e9acf1e0a5f0089467b6

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

3524 MediaCenter.exe

pid	process
3524	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:

141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.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"	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892917469860984"	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\CacheSizeBytes = "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\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\DownloadMonthlyGroupBytes = "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\SwarmCount = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4080"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.347951"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180"	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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.335342"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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 = "1"	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\Config\DODownloadMode = "1"	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\FrDownloadRatePct = "90"	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\UplinkBps = "0"	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\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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

880 PING.EXE

pid	process
880	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe

description	pid	process
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeIncBasePriorityPrivilege	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.execmd.exe

description	pid	process	target process
PID 644 wrote to memory of 3524	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	MediaCenter.exe
PID 644 wrote to memory of 3524	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	MediaCenter.exe
PID 644 wrote to memory of 3524	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	MediaCenter.exe
PID 644 wrote to memory of 1932	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	cmd.exe
PID 644 wrote to memory of 1932	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	cmd.exe
PID 644 wrote to memory of 1932	644	141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe	cmd.exe
PID 1932 wrote to memory of 880	1932	cmd.exe	PING.EXE
PID 1932 wrote to memory of 880	1932	cmd.exe	PING.EXE
PID 1932 wrote to memory of 880	1932	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe
"C:\Users\Admin\AppData\Local\Temp\141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\141ab1099fcc7ba5790607e23ec2af17628b06c9a71fd0cdd780faa0ef042f48.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:880

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1784

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:868

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:3800

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
39001fdbf9d9650775ce0edc477e608f

SHA1
162a92ea2a6a7b59f5e2814997f6456cf25561d5

SHA256
fc348adf651c821729e7f7de5997937940562a9b955d7bdaa1bd8dbffe74a908

SHA512
e887e0e75c67a3a998df17e7a94423092b59deef1dca5e2b8ce7c9db3b59ef5efd53c6be870c724bfd595b03b3adee396b75ec0d1ba85c916c20d2e8875c2c09

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

MD5
39001fdbf9d9650775ce0edc477e608f

SHA1
162a92ea2a6a7b59f5e2814997f6456cf25561d5

SHA256
fc348adf651c821729e7f7de5997937940562a9b955d7bdaa1bd8dbffe74a908

SHA512
e887e0e75c67a3a998df17e7a94423092b59deef1dca5e2b8ce7c9db3b59ef5efd53c6be870c724bfd595b03b3adee396b75ec0d1ba85c916c20d2e8875c2c09

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads