sakula | 028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584

General

Target

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe
Size

58KB
MD5

acb548b00bba3f862975ba2388749182
SHA1

9d3b356a029bffe2414399487d39ba806223c120
SHA256

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584
SHA512

277745a8affe060cc26f9693322df6871743e222c98fcdd618e897a003afb66da19124830bafd83c8fe8ed32103f4fc16ec84a3c82d65c6c5aeb7f083db20974

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

660 MediaCenter.exe

pid	process
660	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:

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.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"	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.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\DownloadMonthlyRateFrCnt = "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\CacheSizeBytes = "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\UploadCount = "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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337184"	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\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\MonthID = "2"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.124585"	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\PeerInfoCount = "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\DownlinkUsageBps = "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\BkDownloadRatePct = "45"	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 = "4268"	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\DownloadMonthlyLinkLocalBytes = "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\Config\KVFileExpirationTime = "132893191057366181"	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\DownloadMonthlyGroupBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.970466"	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\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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "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 = "4056"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2116 PING.EXE

pid	process
2116	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe
Token: SeBackupPrivilege	3644	TiWorker.exe
Token: SeRestorePrivilege	3644	TiWorker.exe
Token: SeSecurityPrivilege	3644	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.execmd.exe

description	pid	process	target process
PID 376 wrote to memory of 660	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	MediaCenter.exe
PID 376 wrote to memory of 660	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	MediaCenter.exe
PID 376 wrote to memory of 660	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	MediaCenter.exe
PID 376 wrote to memory of 4020	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	cmd.exe
PID 376 wrote to memory of 4020	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	cmd.exe
PID 376 wrote to memory of 4020	376	028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe	cmd.exe
PID 4020 wrote to memory of 2116	4020	cmd.exe	PING.EXE
PID 4020 wrote to memory of 2116	4020	cmd.exe	PING.EXE
PID 4020 wrote to memory of 2116	4020	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe
"C:\Users\Admin\AppData\Local\Temp\028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:376

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\028977d5fe9fa05d34e35eb2c870c08be77967f9f69f13006cb452a9dd736584.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2116

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3460

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:2800

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:3644

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
c555ef34895e04a1a58143bbb373718d

SHA1
af2e59c2516a93d7586bf18e785bf84e351dbd7c

SHA256
2dd798ad028542dd9dd22ec21cd369df35407b207d78e825cd0e4b7380a34947

SHA512
fdc3ff46788765783d12d01b085aef3c7f1d42e66c5bb8d44addfed80e97aa96ad70e0d67338ebc98f8a1d8eaa62fb271eb0c50c500fbdc7625d8466f6c0df53

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c555ef34895e04a1a58143bbb373718d

SHA1
af2e59c2516a93d7586bf18e785bf84e351dbd7c

SHA256
2dd798ad028542dd9dd22ec21cd369df35407b207d78e825cd0e4b7380a34947

SHA512
fdc3ff46788765783d12d01b085aef3c7f1d42e66c5bb8d44addfed80e97aa96ad70e0d67338ebc98f8a1d8eaa62fb271eb0c50c500fbdc7625d8466f6c0df53

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads