sakula | 09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c

General

Target

09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe
Size

101KB
MD5

a557362b13542fff7e3d16c2020a5d19
SHA1

bb1dc06e6a6a8c84d97e192cb2c1a7420140565b
SHA256

09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c
SHA512

bfeecab907d77e85199858dba005c2dd0a8c445c6e415ce08ffa4d52802141c89647b947eb96606d471598cee47b7e45f5d2ffb1a766942435c405d2e926a09e

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

3408 MediaCenter.exe

pid	process
3408	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:

09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.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"	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893088208998384"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006673"	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\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.000218"	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\Usage	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\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "0"	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\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\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\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\UplinkBps = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4040"	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\UploadMonthlyLanBytes = "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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.470648"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.943388"	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 (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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3356 PING.EXE

pid	process
3356	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe
Token: SeRestorePrivilege	3812	TiWorker.exe
Token: SeSecurityPrivilege	3812	TiWorker.exe
Token: SeBackupPrivilege	3812	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.execmd.exe

description	pid	process	target process
PID 3256 wrote to memory of 3408	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	MediaCenter.exe
PID 3256 wrote to memory of 3408	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	MediaCenter.exe
PID 3256 wrote to memory of 3408	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	MediaCenter.exe
PID 3256 wrote to memory of 3924	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	cmd.exe
PID 3256 wrote to memory of 3924	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	cmd.exe
PID 3256 wrote to memory of 3924	3256	09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe	cmd.exe
PID 3924 wrote to memory of 3356	3924	cmd.exe	PING.EXE
PID 3924 wrote to memory of 3356	3924	cmd.exe	PING.EXE
PID 3924 wrote to memory of 3356	3924	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe
"C:\Users\Admin\AppData\Local\Temp\09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3256

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3408

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09745fd573a05d0699a4d1023cad4527842a42d7ee9a321802afe6a89f57412c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3356

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1420

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:540

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:3812

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
39031e8701ccaa34408daa6ba9d6d355

SHA1
20734ed10e718b77b8739bbe808f39f8ede4b3bc

SHA256
f3dd10a3f622a0e12ec1d9692da06bc693b9f4c473490e86bb8f8a82c5a33643

SHA512
a724e43d5a2a8f31cf50041b316d130ef1c0ea9ea12e7401286434e7a988fb96e59f0ef4363fa3db28ae6f7784dc5b29ec3b863a95df9115157f4ccb7be258eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
39031e8701ccaa34408daa6ba9d6d355

SHA1
20734ed10e718b77b8739bbe808f39f8ede4b3bc

SHA256
f3dd10a3f622a0e12ec1d9692da06bc693b9f4c473490e86bb8f8a82c5a33643

SHA512
a724e43d5a2a8f31cf50041b316d130ef1c0ea9ea12e7401286434e7a988fb96e59f0ef4363fa3db28ae6f7784dc5b29ec3b863a95df9115157f4ccb7be258eb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads