sakula | 11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b

General

Target

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe
Size

60KB
MD5

7a5421c76ad30373e95e9fbc305690f3
SHA1

53f7f7232b987067bfc2a6e4e9bbe1244d4393bd
SHA256

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b
SHA512

3c74bb68d05abb818cc7905b2267b667c4acc7f5b48c393bc8b7550642d50716d054310b41badaea9d10cd87f6f187de5bb623efc7cbadb26d00a24433e90685

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

2168 MediaCenter.exe

pid	process
2168	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:

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.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"	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\BkDownloadRatePct = "45"	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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.999325"	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\MonthID = "2"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.991968"	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\DownloadMonthlyRateFrCnt = "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\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 (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 = "4284"	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\LANConnectionCount = "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\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\CacheSizeBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.160887"	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
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\SwarmCount = "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\UplinkUsageBps = "0"	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\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\PriorityDownloadCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2132 PING.EXE

pid	process
2132	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe
Token: SeBackupPrivilege	1488	TiWorker.exe
Token: SeRestorePrivilege	1488	TiWorker.exe
Token: SeSecurityPrivilege	1488	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.execmd.exe

description	pid	process	target process
PID 3260 wrote to memory of 2168	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	MediaCenter.exe
PID 3260 wrote to memory of 2168	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	MediaCenter.exe
PID 3260 wrote to memory of 2168	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	MediaCenter.exe
PID 3260 wrote to memory of 3052	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	cmd.exe
PID 3260 wrote to memory of 3052	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	cmd.exe
PID 3260 wrote to memory of 3052	3260	11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe	cmd.exe
PID 3052 wrote to memory of 2132	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 2132	3052	cmd.exe	PING.EXE
PID 3052 wrote to memory of 2132	3052	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe
"C:\Users\Admin\AppData\Local\Temp\11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2168

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11d621ba722c37196f8442b72bf1b1e84dc1fdf606d522937e140e239037a14b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3052

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2132

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3808

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3648

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:1488

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
68f7927ba95c07110fa84f696f139161

SHA1
00d97901de432efe322d74be5d7fe8c500b959c7

SHA256
aa07a689296ea6c5d1c5db0ebf5381bf1fb19cfa07270f5f2e5e639cb750d2ab

SHA512
127a8e472e584af94bd3520c884b1fe1d2a051b3b478bab7814dd137deda061a1d59fee55cd728a8b3c61f29b7a4fef907e0b30c1bdd695d03cc0c47de12930c

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

MD5
68f7927ba95c07110fa84f696f139161

SHA1
00d97901de432efe322d74be5d7fe8c500b959c7

SHA256
aa07a689296ea6c5d1c5db0ebf5381bf1fb19cfa07270f5f2e5e639cb750d2ab

SHA512
127a8e472e584af94bd3520c884b1fe1d2a051b3b478bab7814dd137deda061a1d59fee55cd728a8b3c61f29b7a4fef907e0b30c1bdd695d03cc0c47de12930c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads