sakula | 03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60

General

Target

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe
Size

92KB
MD5

01ecb63177e53560dab65efe57bfd257
SHA1

cae7faa74e43205c3d2fbb6b2aeee869f8632690
SHA256

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60
SHA512

90989eb6c366df79bf31820378e282b25b79f387228cefd7c539d32c2118233127d993ba84d2ce0a663d991e32292e020780b8988cd62dc39ee7d15409de1126

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

2384 MediaCenter.exe

pid	process
2384	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:

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.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"	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\LinkLocalConnectionCount = "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\DownloadMode_BackCompat = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.813448"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.174064"	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\LANConnectionCount = "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\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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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\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\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\DownloadMonthlyRateBkCnt = "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\PeerInfoCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\DownloadMonthlyLanBytes = "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
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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\MemoryUsageKB = "4328"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893174033063722"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

628 PING.EXE

pid	process
628	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe
Token: SeBackupPrivilege	3472	TiWorker.exe
Token: SeRestorePrivilege	3472	TiWorker.exe
Token: SeSecurityPrivilege	3472	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.execmd.exe

description	pid	process	target process
PID 1512 wrote to memory of 2384	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	MediaCenter.exe
PID 1512 wrote to memory of 2384	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	MediaCenter.exe
PID 1512 wrote to memory of 2384	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	MediaCenter.exe
PID 1512 wrote to memory of 3156	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	cmd.exe
PID 1512 wrote to memory of 3156	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	cmd.exe
PID 1512 wrote to memory of 3156	1512	03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe	cmd.exe
PID 3156 wrote to memory of 628	3156	cmd.exe	PING.EXE
PID 3156 wrote to memory of 628	3156	cmd.exe	PING.EXE
PID 3156 wrote to memory of 628	3156	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe
"C:\Users\Admin\AppData\Local\Temp\03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2384

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\03dc7e2724ff7832b133e83ea1a4353ea63222d07f63cc2f6e8ff42d56382a60.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:628

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3468

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:2188

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:3472

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
11d0e6f7122e2f2bf6fbfc359765edca

SHA1
1884ea5542d5ec01d2604b1ca99c1a4e3686613f

SHA256
9cc37e0a27e97b8342874259c6997780b0f25558068524f542ebaa5f13b29054

SHA512
e00b6ecda5c39a88e837e65ef74b64d0b7efebd80f5a03b8a4262db0969145fa7d35798c759c61e71193e9c4aec0ed8dcd20086fd1cbed7726fd0009f21cd978

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
11d0e6f7122e2f2bf6fbfc359765edca

SHA1
1884ea5542d5ec01d2604b1ca99c1a4e3686613f

SHA256
9cc37e0a27e97b8342874259c6997780b0f25558068524f542ebaa5f13b29054

SHA512
e00b6ecda5c39a88e837e65ef74b64d0b7efebd80f5a03b8a4262db0969145fa7d35798c759c61e71193e9c4aec0ed8dcd20086fd1cbed7726fd0009f21cd978

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads