sakula | 0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4

General

Target

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe
Size

35KB
MD5

242d41f061f7161c885532c0489c2d7d
SHA1

0a94fadd39078986e8aa9ee2ebf336d519cb03d6
SHA256

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4
SHA512

2fd1c17c4efdb4ec4f2c7fb916f5766199e2465f1c3c9cc80ae6d06cc0512ce471c1705aaab2e8befe150b96e32d19d0189afea7ca84667dd4c05991017dcf13

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

3716 MediaCenter.exe

pid	process
3716	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:

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.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"	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyGroupBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\Usage\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "0"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\UploadRatePct = "100"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.676041"	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 (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\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\MonthID = "2"	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\Config\KVFileExpirationTime = "132893024539743863"	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\UplinkBps = "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\NormalDownloadCount = "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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.645518"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.822154"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2688 PING.EXE

pid	process
2688	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe
Token: SeBackupPrivilege	1300	TiWorker.exe
Token: SeRestorePrivilege	1300	TiWorker.exe
Token: SeSecurityPrivilege	1300	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.execmd.exe

description	pid	process	target process
PID 2572 wrote to memory of 3716	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	MediaCenter.exe
PID 2572 wrote to memory of 3716	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	MediaCenter.exe
PID 2572 wrote to memory of 3716	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	MediaCenter.exe
PID 2572 wrote to memory of 1928	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	cmd.exe
PID 2572 wrote to memory of 1928	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	cmd.exe
PID 2572 wrote to memory of 1928	2572	0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe	cmd.exe
PID 1928 wrote to memory of 2688	1928	cmd.exe	PING.EXE
PID 1928 wrote to memory of 2688	1928	cmd.exe	PING.EXE
PID 1928 wrote to memory of 2688	1928	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe
"C:\Users\Admin\AppData\Local\Temp\0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3716

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c8b0b4968eb71ef1bee82a8bac62e7640331f5f1d3204bf05ce87ac621bc8a4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2688

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1324

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:1132

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:1300

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
521a10a3716e18d4981fc065fb06a8cf

SHA1
3e3ef2685452d3c8c6410d76466c74ab07a1e2be

SHA256
44e52e32c456733eac56102fd5073c294c33c43bbf5c2fe4d2d28c03defdd5ac

SHA512
ce5b420a1a14c2b714614abd5e49191b6b039ece09527b6ce8d4be98a0ebc45b0cac5c36ea127c1c06e4c64e4606ef912df73a59503f186b1794ced53444493e

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

MD5
521a10a3716e18d4981fc065fb06a8cf

SHA1
3e3ef2685452d3c8c6410d76466c74ab07a1e2be

SHA256
44e52e32c456733eac56102fd5073c294c33c43bbf5c2fe4d2d28c03defdd5ac

SHA512
ce5b420a1a14c2b714614abd5e49191b6b039ece09527b6ce8d4be98a0ebc45b0cac5c36ea127c1c06e4c64e4606ef912df73a59503f186b1794ced53444493e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads