sakula | 035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8

General

Target

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe
Size

35KB
MD5

0b424ce9c5b2f2c8ed8f8f9623e422c0
SHA1

42d1f889a9b7f18a9cef600b1efaf4b2097b08c8
SHA256

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8
SHA512

9d2258e729be77ee6f9834fe3a9301a2428879872a013ccae245bda03e6b132e6f36056411e13e83a224da2ab70d879f76db5b9ea0d4ffc3482df79ae693abd0

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

3624 MediaCenter.exe

pid	process
3624	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:

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.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"	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.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 (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\PriorityDownloadCount = "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
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\LANConnectionCount = "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 (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\DownloadMonthlyLinkLocalBytes = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\PeerInfoCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893181138914184"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyCacheHostBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.064963"	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\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\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 (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\CDNConnectionCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

832 PING.EXE

pid	process
832	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe
Token: SeBackupPrivilege	2740	TiWorker.exe
Token: SeRestorePrivilege	2740	TiWorker.exe
Token: SeSecurityPrivilege	2740	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.execmd.exe

description	pid	process	target process
PID 2848 wrote to memory of 3624	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	MediaCenter.exe
PID 2848 wrote to memory of 3624	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	MediaCenter.exe
PID 2848 wrote to memory of 3624	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	MediaCenter.exe
PID 2848 wrote to memory of 2952	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	cmd.exe
PID 2848 wrote to memory of 2952	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	cmd.exe
PID 2848 wrote to memory of 2952	2848	035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe	cmd.exe
PID 2952 wrote to memory of 832	2952	cmd.exe	PING.EXE
PID 2952 wrote to memory of 832	2952	cmd.exe	PING.EXE
PID 2952 wrote to memory of 832	2952	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe
"C:\Users\Admin\AppData\Local\Temp\035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3624

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\035b105e06dc1bb25684a40b8c5586770e21f2b04dd61e9c377fc7b069d8ffd8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:832

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3580

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:2184

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:2740

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
062f8f5b087415ebb714ee71f101dd22

SHA1
2e5b2b7b6f08e6b4edfe62ca49d2d257aa3717e4

SHA256
d021ec6b3b049e2a5435ad7b97a284e75b9ea0d2d5647eb978134e8a65f67877

SHA512
b3910f82ed8d757823935b4ce124e23cfe4e6c8e55cd803960fc70cbcf410ac92a66fbbe5327967b060e185013bc41cdc7ba1e5868bea64078a98f61f47adef3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
062f8f5b087415ebb714ee71f101dd22

SHA1
2e5b2b7b6f08e6b4edfe62ca49d2d257aa3717e4

SHA256
d021ec6b3b049e2a5435ad7b97a284e75b9ea0d2d5647eb978134e8a65f67877

SHA512
b3910f82ed8d757823935b4ce124e23cfe4e6c8e55cd803960fc70cbcf410ac92a66fbbe5327967b060e185013bc41cdc7ba1e5868bea64078a98f61f47adef3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads