sakula | 03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec

General

Target

03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe
Size

80KB
MD5

b7c2f52fc0fdbf9739b60d15868b2af4
SHA1

37ea21414ccbaf15397aab6ba062ca551ce385b7
SHA256

03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec
SHA512

4ea9f1c144b015c69e7ff65e7eed286bb26429577a53364f0e860f9d19d3068fbfcf29bd5f43072cdc0fdeb4df8e0c9e0f87d02dac7741752545c2ee3b0e8daf

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

3732 MediaCenter.exe

pid	process
3732	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:

03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.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"	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.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 = "4296"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.140842"	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\FrDownloadRatePct = "90"	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\MonthID = "2"	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\UplinkBps = "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\DownloadMonthlyLanBytes = "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\CDNConnectionCount = "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\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\DownlinkUsageBps = "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\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 = "3.819423"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064"	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\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\Config\KVFileExpirationTime = "132893171397151503"	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\NormalDownloadCount = "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\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 (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\CacheSizeBytes = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "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\UplinkUsageBps = "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	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.107681"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3344 PING.EXE

pid	process
3344	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe

description	pid	process
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeIncBasePriorityPrivilege	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe
Token: SeBackupPrivilege	2640	TiWorker.exe
Token: SeRestorePrivilege	2640	TiWorker.exe
Token: SeSecurityPrivilege	2640	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.execmd.exe

description	pid	process	target process
PID 652 wrote to memory of 3732	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	MediaCenter.exe
PID 652 wrote to memory of 3732	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	MediaCenter.exe
PID 652 wrote to memory of 3732	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	MediaCenter.exe
PID 652 wrote to memory of 64	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	cmd.exe
PID 652 wrote to memory of 64	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	cmd.exe
PID 652 wrote to memory of 64	652	03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe	cmd.exe
PID 64 wrote to memory of 3344	64	cmd.exe	PING.EXE
PID 64 wrote to memory of 3344	64	cmd.exe	PING.EXE
PID 64 wrote to memory of 3344	64	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe
"C:\Users\Admin\AppData\Local\Temp\03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3732

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03ff52b884aa1e75e34dee63355e43964395134c8b86c55a459370541c9e1dec.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3344

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2876

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:3376

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:2640

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
ed82cf9e69b2fc7133f0f5556a819171

SHA1
d204048d319bc738f688dbdd5500ee5fcfe5029d

SHA256
e172d713946b8a387869bf08e7f945db13806b49875e69035c7d43e30a4b4026

SHA512
4c5b47843fd7a934211edab1e7dd62f1a3fc29d2d35b5042edef8a95c3b1f00ee278ae0d98250232df57625c5e67a077bfa12ca292e2a2cc416ae094d5f5565f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ed82cf9e69b2fc7133f0f5556a819171

SHA1
d204048d319bc738f688dbdd5500ee5fcfe5029d

SHA256
e172d713946b8a387869bf08e7f945db13806b49875e69035c7d43e30a4b4026

SHA512
4c5b47843fd7a934211edab1e7dd62f1a3fc29d2d35b5042edef8a95c3b1f00ee278ae0d98250232df57625c5e67a077bfa12ca292e2a2cc416ae094d5f5565f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads