sakula | 16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8

General

Target

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe
Size

36KB
MD5

eb6c717bac50086833a1ca1f95130c7b
SHA1

0465fdd67475a80fbf6649746686ec4f446fffbb
SHA256

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8
SHA512

1bd2531d53dd058b00c74e4f464b60392d074975329ecf82119b1206f292841fa18db21411188aa942f9ca86456bb981e5a75a4af4eca89ca6e2617f584ed654

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

2904 MediaCenter.exe

pid	process
2904	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:

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.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"	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\NormalDownloadPendingCount = "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\DownlinkUsageBps = "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\Usage\UplinkBps = "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\CacheSizeBytes = "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\MemoryUsageKB = "3972"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\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\LinkLocalConnectionCount = "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	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\UploadRatePct = "100"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.131888"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.306745"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "3996"	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\GroupConnectionCount = "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\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\PeerInfoCount = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3208 PING.EXE

pid	process
3208	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe
Token: SeBackupPrivilege	2188	TiWorker.exe
Token: SeRestorePrivilege	2188	TiWorker.exe
Token: SeSecurityPrivilege	2188	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.execmd.exe

description	pid	process	target process
PID 1684 wrote to memory of 2904	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	MediaCenter.exe
PID 1684 wrote to memory of 2904	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	MediaCenter.exe
PID 1684 wrote to memory of 2904	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	MediaCenter.exe
PID 1684 wrote to memory of 3264	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	cmd.exe
PID 1684 wrote to memory of 3264	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	cmd.exe
PID 1684 wrote to memory of 3264	1684	16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe	cmd.exe
PID 3264 wrote to memory of 3208	3264	cmd.exe	PING.EXE
PID 3264 wrote to memory of 3208	3264	cmd.exe	PING.EXE
PID 3264 wrote to memory of 3208	3264	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe
"C:\Users\Admin\AppData\Local\Temp\16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2904

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16e8480702840026d541348dd4426e5351c18c754b4adad882c1da48a5ae89b8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3208

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2528

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2232

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:2188

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
d607d110b8502e99581b98152ae2906f

SHA1
b96b7257a6f95ada4bc34ca42880065d91f8f70d

SHA256
a489ceb59c7daa7b9d553ca15cf46b1b29d5a4cc1767ec93c941b0355e8591ab

SHA512
48aea28b6f92c5220c59070400009567e7bac95c7b08bdefbbb1c5de1ece35a1bf7440339160a5c1b5598b12797f219b8cb624528b8f66d1e7cb1f30842e662f

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

MD5
d607d110b8502e99581b98152ae2906f

SHA1
b96b7257a6f95ada4bc34ca42880065d91f8f70d

SHA256
a489ceb59c7daa7b9d553ca15cf46b1b29d5a4cc1767ec93c941b0355e8591ab

SHA512
48aea28b6f92c5220c59070400009567e7bac95c7b08bdefbbb1c5de1ece35a1bf7440339160a5c1b5598b12797f219b8cb624528b8f66d1e7cb1f30842e662f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads