sakula | 058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e

General

Target

058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe
Size

99KB
MD5

160672a009409f99924d8c3fa57b7179
SHA1

fe6e102590e30afe0a35175837b983c61f54a0dd
SHA256

058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e
SHA512

460488c0754af38139086ec4838eed4e86f253f2ee60e7c3b2117b4312fccdcb56d7b2ca65e97ba44790dac9c87e306c29ca884c5885f4f0268b981a4332fe2b

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

3768 MediaCenter.exe

pid	process
3768	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:

058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.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"	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.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 (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\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\NormalDownloadCount = "0"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkBps = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.197629"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.056577"	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\DownloadMonthlyRateBkCnt = "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\LANConnectionCount = "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\SwarmCount = "1"	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\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\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\Config\KVFileExpirationTime = "132893148195448167"	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\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\PriorityDownloadPendingCount = "0"	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	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\UploadRatePct = "100"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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
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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1900 PING.EXE

pid	process
1900	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe
Token: SeRestorePrivilege	3880	TiWorker.exe
Token: SeSecurityPrivilege	3880	TiWorker.exe
Token: SeBackupPrivilege	3880	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.execmd.exe

description	pid	process	target process
PID 940 wrote to memory of 3768	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	MediaCenter.exe
PID 940 wrote to memory of 3768	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	MediaCenter.exe
PID 940 wrote to memory of 3768	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	MediaCenter.exe
PID 940 wrote to memory of 3592	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	cmd.exe
PID 940 wrote to memory of 3592	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	cmd.exe
PID 940 wrote to memory of 3592	940	058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe	cmd.exe
PID 3592 wrote to memory of 1900	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 1900	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 1900	3592	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe
"C:\Users\Admin\AppData\Local\Temp\058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:940

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3768

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\058cc71ac7237011ed7fa6dce18dc942f900a835008d699e456004f3819ed60e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1900

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1500

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:3280

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:3880

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
daf35602aa64b93a5b2867f95ecc35f9

SHA1
7f22ace4cc952dc04faf5ac4b8a375caa404a260

SHA256
fbcc5aba8126187017ec35043ecf5ae3901d7e466d09809de6ff675b1476e92e

SHA512
8cb5bd3dce87e3a8433fe78f3ebf88f86dab69356df99f0342523eeb30854835d3575cfb76b1a2483ec7c1cbf83b3314d330455851b8df537db9c8893e4777ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
daf35602aa64b93a5b2867f95ecc35f9

SHA1
7f22ace4cc952dc04faf5ac4b8a375caa404a260

SHA256
fbcc5aba8126187017ec35043ecf5ae3901d7e466d09809de6ff675b1476e92e

SHA512
8cb5bd3dce87e3a8433fe78f3ebf88f86dab69356df99f0342523eeb30854835d3575cfb76b1a2483ec7c1cbf83b3314d330455851b8df537db9c8893e4777ad

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads