sakula | 1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc

General

Target

1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe
Size

60KB
MD5

8ea0f0ad7c354d457e70cabee06aceba
SHA1

7debb9d5f9071bf4d74308a2bd832c86c2dcfe96
SHA256

1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc
SHA512

873ac1aa8b9bc5bf9f3f016d32e092e48551c8d3e1a9544c6420674393b430e5a2f1757a1607aa9c694143b5ae72930f5a2d6f660c56ccfec7c588f78fe30ea1

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3660 MediaCenter.exe

pid	process
3660	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:

1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.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"	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.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 50 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 (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\Config	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\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 (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\UploadCount = "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\MemoryUsageKB = "4128"	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\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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.013499"	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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4228"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\MonthID = "2"	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\GroupConnectionCount = "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\LANConnectionCount = "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\UplinkUsageBps = "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\MemoryUsageKB = "3852"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892867035389785"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.278295"	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\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\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\UplinkBps = "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
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\UploadMonthlyLanBytes = "0"	svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe

description	pid	process
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe
Token: SeBackupPrivilege	3348	TiWorker.exe
Token: SeRestorePrivilege	3348	TiWorker.exe
Token: SeSecurityPrivilege	3348	TiWorker.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe

description	pid	process	target process
PID 1544 wrote to memory of 3660	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	MediaCenter.exe
PID 1544 wrote to memory of 3660	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	MediaCenter.exe
PID 1544 wrote to memory of 3660	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	MediaCenter.exe
PID 1544 wrote to memory of 2868	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	cmd.exe
PID 1544 wrote to memory of 2868	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	cmd.exe
PID 1544 wrote to memory of 2868	1544	1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe
"C:\Users\Admin\AppData\Local\Temp\1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1779a45c3cc90c9c515d645abbca529650214ac888caa40b9695f976f9dfd1cc.exe"
2⤵
PID:2868

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1960

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:3508

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:3348

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

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
654c87eccc01a8f82021c34543282b08

SHA1
6d76879199d0e3c1ecea94a83679f69b7ef63d32

SHA256
b7b4e1778e7cef0853cc22450b82cd579db40a9daca6b6e82bad29a41238b01f

SHA512
a2adc4ea58f0751f2e8ad9d2612498b56a39e5820944bee96b861c0ec8210fce701eafffb247f6eafc6b22a3c5ab513d0e23f24fbe003b22a7ea903b071d137a

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

MD5
654c87eccc01a8f82021c34543282b08

SHA1
6d76879199d0e3c1ecea94a83679f69b7ef63d32

SHA256
b7b4e1778e7cef0853cc22450b82cd579db40a9daca6b6e82bad29a41238b01f

SHA512
a2adc4ea58f0751f2e8ad9d2612498b56a39e5820944bee96b861c0ec8210fce701eafffb247f6eafc6b22a3c5ab513d0e23f24fbe003b22a7ea903b071d137a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads