sakula | 03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6

General

Target

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe
Size

89KB
MD5

dc079fb7a434fc846f689888c2a08961
SHA1

054b29070397c46350d04b4c1371767fd72f14ec
SHA256

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6
SHA512

5dbe78d006d9a4fff7cf5f8a053827d17157064921a2368cc2f5fd7aa703018ef09489f92be36c2e377dac044a58f29f88490755a87eb5f4c0513f20dc91c5a0

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2404 MediaCenter.exe

pid	process
2404	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:

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.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"	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "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\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\DownloadMonthlyRateBkCnt = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893172612098123"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.648346"	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\UploadMonthlyLanBytes = "0"	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\DownloadMonthlyGroupBytes = "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\Usage\InternetConnectionCount = "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	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\UplinkUsageBps = "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\MemoryUsageKB = "4060"	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\DownloadMonthlyRateBkBps = "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\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 (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\DownloadMonthlyLanBytes = "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\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\PriorityDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyCacheHostBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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\UploadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

432 PING.EXE

pid	process
432	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe
Token: SeBackupPrivilege	880	TiWorker.exe
Token: SeRestorePrivilege	880	TiWorker.exe
Token: SeSecurityPrivilege	880	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.execmd.exe

description	pid	process	target process
PID 2424 wrote to memory of 2404	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	MediaCenter.exe
PID 2424 wrote to memory of 2404	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	MediaCenter.exe
PID 2424 wrote to memory of 2404	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	MediaCenter.exe
PID 2424 wrote to memory of 2904	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	cmd.exe
PID 2424 wrote to memory of 2904	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	cmd.exe
PID 2424 wrote to memory of 2904	2424	03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe	cmd.exe
PID 2904 wrote to memory of 432	2904	cmd.exe	PING.EXE
PID 2904 wrote to memory of 432	2904	cmd.exe	PING.EXE
PID 2904 wrote to memory of 432	2904	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe
"C:\Users\Admin\AppData\Local\Temp\03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03f1f2b57df6d72288ff81057ccb8aa6aa0c15b56848aa6f6eec329ee2466af6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:432

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3260

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:3724

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:880

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
1a7be28e10706f2cffffc7d3970a79b1

SHA1
a4fe0b9dae4d3e6e1244fe43d680f80a0f97771e

SHA256
efff622c9b6b309f3a9602f0ff8d9c9f716bd360fd8c052800c76e235f4ce316

SHA512
1261bdb903c7a1abeadb0804ce74a185eea5046aef92715815b3cd74d09f60990c08cbdd58f93d1f5a2277a957b8f95b80aa1c63f985908360843bd70ffd4821

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1a7be28e10706f2cffffc7d3970a79b1

SHA1
a4fe0b9dae4d3e6e1244fe43d680f80a0f97771e

SHA256
efff622c9b6b309f3a9602f0ff8d9c9f716bd360fd8c052800c76e235f4ce316

SHA512
1261bdb903c7a1abeadb0804ce74a185eea5046aef92715815b3cd74d09f60990c08cbdd58f93d1f5a2277a957b8f95b80aa1c63f985908360843bd70ffd4821

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads