sakula | 1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe

General

Target

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe
Size

99KB
MD5

03ea6c736eda5052f3a8f7881175d9bb
SHA1

00f13b2ddcfae3e316852e507e44533fcdd6efb4
SHA256

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe
SHA512

598ef1c6a3cc1991d0d91ebafd455cbbc51a4917a975aa7c047fd40298768ed0f582f17abb99adf36864ff395dd1071826fe147280c26ef1becb886ac0b07473

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

2784 MediaCenter.exe

pid	process
2784	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:

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.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"	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.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\DownloadMonthlyLinkLocalBytes = "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\DownlinkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.338984"	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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892916276638839"	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\FrDownloadRatePct = "90"	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\Config	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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\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\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\SwarmCount = "1"	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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.660062"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownloadMonthlyLanBytes = "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 (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\UploadCount = "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\PeerInfoCount = "0"	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 = "0.000000"	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\UploadMonthlyLanBytes = "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\LANConnectionCount = "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\NormalDownloadPendingCount = "0"	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\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1268 PING.EXE

pid	process
1268	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe
Token: SeBackupPrivilege	1928	TiWorker.exe
Token: SeRestorePrivilege	1928	TiWorker.exe
Token: SeSecurityPrivilege	1928	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.execmd.exe

description	pid	process	target process
PID 1240 wrote to memory of 2784	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	MediaCenter.exe
PID 1240 wrote to memory of 2784	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	MediaCenter.exe
PID 1240 wrote to memory of 2784	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	MediaCenter.exe
PID 1240 wrote to memory of 3992	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	cmd.exe
PID 1240 wrote to memory of 3992	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	cmd.exe
PID 1240 wrote to memory of 3992	1240	1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe	cmd.exe
PID 3992 wrote to memory of 1268	3992	cmd.exe	PING.EXE
PID 3992 wrote to memory of 1268	3992	cmd.exe	PING.EXE
PID 3992 wrote to memory of 1268	3992	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe
"C:\Users\Admin\AppData\Local\Temp\1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2784

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1430a033f281f61b3ad9ed7c7cc86abd8e5155a88343b0465d9f6901509ac6fe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1268

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:804

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:2572

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:1928

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
4c16a3a636c2f222cd3906a68f2241e2

SHA1
74a787aa27d9aa5169b42a9d48620f6f35672078

SHA256
5a41b000bdbe3af8a5f8d3ba7436a84be62445e6f254f8a5c483598834c7e68e

SHA512
0c92316606ab9da2af53e8d16b30671a672a170758fb49c06bd0722a85a189af8a87a90028bcdcb740c75eb8ec2298f35ad718e1fd981f1aea7c8831f82c1ddb

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

MD5
4c16a3a636c2f222cd3906a68f2241e2

SHA1
74a787aa27d9aa5169b42a9d48620f6f35672078

SHA256
5a41b000bdbe3af8a5f8d3ba7436a84be62445e6f254f8a5c483598834c7e68e

SHA512
0c92316606ab9da2af53e8d16b30671a672a170758fb49c06bd0722a85a189af8a87a90028bcdcb740c75eb8ec2298f35ad718e1fd981f1aea7c8831f82c1ddb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads