sakula | 14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7

General

Target

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe
Size

79KB
MD5

2acd27ece5a788ce44af5910a56749c2
SHA1

70bab1e44a65d5c4f0745fad773091cc5409859e
SHA256

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7
SHA512

6b735cbfe21067ec0ed27d81a04764d93f88f61d2c8f72d502c226172ec73cf5a5d33a704fb87e0b6f7ba234bb1b600cb59e7beb21676e1af17f826dc14dd66c

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

2316 MediaCenter.exe

pid	process
2316	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:

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.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"	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\DownloadMonthlyRateFrCnt = "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\Usage\DownlinkBps = "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\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\NormalDownloadPendingCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.798261"	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\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 (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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "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\Config\DODownloadMode = "1"	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\MonthID = "2"	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\UplinkUsageBps = "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\MemoryUsageKB = "4124"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892911765340146"	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\LANConnectionCount = "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\InternetConnectionCount = "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\Config\DownloadMode_BackCompat = "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\MonthlyUploadRestriction = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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	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\BkDownloadRatePct = "45"	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 = "0.701723"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1596 PING.EXE

pid	process
1596	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe
Token: SeBackupPrivilege	3284	TiWorker.exe
Token: SeRestorePrivilege	3284	TiWorker.exe
Token: SeSecurityPrivilege	3284	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.execmd.exe

description	pid	process	target process
PID 3520 wrote to memory of 2316	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	MediaCenter.exe
PID 3520 wrote to memory of 2316	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	MediaCenter.exe
PID 3520 wrote to memory of 2316	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	MediaCenter.exe
PID 3520 wrote to memory of 3648	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	cmd.exe
PID 3520 wrote to memory of 3648	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	cmd.exe
PID 3520 wrote to memory of 3648	3520	14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe	cmd.exe
PID 3648 wrote to memory of 1596	3648	cmd.exe	PING.EXE
PID 3648 wrote to memory of 1596	3648	cmd.exe	PING.EXE
PID 3648 wrote to memory of 1596	3648	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe
"C:\Users\Admin\AppData\Local\Temp\14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\14a2f3734d1962c2aa81b712aa126324d66bff54ed8778a2e576e1ae39dd86a7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3648

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1596

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2252

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:2420

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:3284

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
94f9959f3d74e1d6db20ff50009f44e1

SHA1
d754946587b426f637cb1487944d78e5e0e14b04

SHA256
041c408c5cfe7698f97b3cacee6d08000a91da7e2711bf2feff5a93ec6fa8646

SHA512
17ac6c0c70589f4e00501543eac3748f8ba2feadc823cdbe18d034cdcc534a51a1637a4f8eed9c9a7729dd50011b4a1f950be60dc5ed5633887a7196d3117583

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

MD5
94f9959f3d74e1d6db20ff50009f44e1

SHA1
d754946587b426f637cb1487944d78e5e0e14b04

SHA256
041c408c5cfe7698f97b3cacee6d08000a91da7e2711bf2feff5a93ec6fa8646

SHA512
17ac6c0c70589f4e00501543eac3748f8ba2feadc823cdbe18d034cdcc534a51a1637a4f8eed9c9a7729dd50011b4a1f950be60dc5ed5633887a7196d3117583

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads