sakula | 0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f

General

Target

0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe
Size

99KB
MD5

5f893d14ac3029cb3956cd9db5948c45
SHA1

8ea339fb9171a4931830df49361a2f11b1fa820a
SHA256

0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f
SHA512

d9fc9fd2a67def54494afe340131302e7fa29d6845c45bca38ad8b1cb1fc6688176e0c0456b0db3b9a3aea1d43a415b23aa9bffc53a2069d884b757323c3d5ff

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

3656 MediaCenter.exe

pid	process
3656	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:

0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.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"	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.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 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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\LANConnectionCount = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyLinkLocalBytes = "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 = "3.845469"	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\PeerInfoCount = "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\UploadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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\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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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\Config	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\GroupConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.279037"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1236 PING.EXE

pid	process
1236	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe

description	pid	process
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe
Token: SeBackupPrivilege	2588	TiWorker.exe
Token: SeRestorePrivilege	2588	TiWorker.exe
Token: SeSecurityPrivilege	2588	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 3656	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	MediaCenter.exe
PID 2024 wrote to memory of 3656	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	MediaCenter.exe
PID 2024 wrote to memory of 3656	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	MediaCenter.exe
PID 2024 wrote to memory of 3240	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	cmd.exe
PID 2024 wrote to memory of 3240	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	cmd.exe
PID 2024 wrote to memory of 3240	2024	0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe	cmd.exe
PID 3240 wrote to memory of 1236	3240	cmd.exe	PING.EXE
PID 3240 wrote to memory of 1236	3240	cmd.exe	PING.EXE
PID 3240 wrote to memory of 1236	3240	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe
"C:\Users\Admin\AppData\Local\Temp\0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3656

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0506621b53a2714a1fc5e80161e1802bd4b5aa46381ec507d3a7cf713acee49f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3240

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1236

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1428

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:752

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:2588

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
23c8064cec394a4f98c8ba063a710c3c

SHA1
8481f4e3ff9afacc1ab22f9bd22a2f9ca68be5a0

SHA256
0383b52016d73bc0e36f46c8502993ad212c0d3ceca5a9f6f0bb81fd36a2e7a9

SHA512
631295000c51fd96c5ccee366d8d61175e9801560ee14659ef4e23945cf3aec41a5f54ffde4221cbfb5202835f884b3d6ca8605bf3efb48cce796953253da6d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
23c8064cec394a4f98c8ba063a710c3c

SHA1
8481f4e3ff9afacc1ab22f9bd22a2f9ca68be5a0

SHA256
0383b52016d73bc0e36f46c8502993ad212c0d3ceca5a9f6f0bb81fd36a2e7a9

SHA512
631295000c51fd96c5ccee366d8d61175e9801560ee14659ef4e23945cf3aec41a5f54ffde4221cbfb5202835f884b3d6ca8605bf3efb48cce796953253da6d1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads