sakula | 18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc

General

Target

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe
Size

101KB
MD5

8ee486d1315e4fb06926783644bc3f54
SHA1

0df160f2ec61bc1a39be7d6af047fc7fde3ca3f4
SHA256

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc
SHA512

a4daa3bca73e365e1540fecd284e89d3ddf436bb946724525c78d54fe5223ac6da3ddc7f14edd36f91c7b82d59038a808590959a9b866856d533dd64b93e0f38

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

1392 MediaCenter.exe

pid	process
1392	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:

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.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"	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.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\Config\KVFileExpirationTime = "132892852221040381"	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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "0"	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\UploadMonthlyInternetBytes = "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\UploadCount = "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\Usage\MemoryUsageKB = "4084"	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\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\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\DownlinkUsageBps = "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\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 (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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.384026"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.219498"	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\DownloadMonthlyGroupBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyCacheHostBytes = "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
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\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3668 PING.EXE

pid	process
3668	PING.EXE

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 1392	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	MediaCenter.exe
PID 1812 wrote to memory of 1392	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	MediaCenter.exe
PID 1812 wrote to memory of 1392	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	MediaCenter.exe
PID 1812 wrote to memory of 1800	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	cmd.exe
PID 1812 wrote to memory of 1800	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	cmd.exe
PID 1812 wrote to memory of 1800	1812	18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe	cmd.exe
PID 1800 wrote to memory of 3668	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 3668	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 3668	1800	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe
"C:\Users\Admin\AppData\Local\Temp\18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1392

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18a4295eaac88a93bbb754dd67b2236b7d60cea4853d403107698f693eb48dbc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3668

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2484

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:3632

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:2588

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
18d31c4d4e71a1534b73d45bf4a4e2bf

SHA1
2dcc9838fea71b9f5c8f3ddfa67b3ddd38033114

SHA256
2cdd5d5f5edc57c1b7ddc989ce6dcf0d66883d69547e8d8827118c0b66308fec

SHA512
a5414c1058152c77314ad51df75fc173b5467d397cddd8efa227de7aec6de50831b4009c42dc7bd6024135fc50811a6975a58a644baaed37b029339232669afa

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

MD5
18d31c4d4e71a1534b73d45bf4a4e2bf

SHA1
2dcc9838fea71b9f5c8f3ddfa67b3ddd38033114

SHA256
2cdd5d5f5edc57c1b7ddc989ce6dcf0d66883d69547e8d8827118c0b66308fec

SHA512
a5414c1058152c77314ad51df75fc173b5467d397cddd8efa227de7aec6de50831b4009c42dc7bd6024135fc50811a6975a58a644baaed37b029339232669afa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads