sakula | 1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f

General

Target

1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe
Size

101KB
MD5

112da1687e2c6834454cc3f9d54f9095
SHA1

07ba1d4b36806d65743aac078f7f5b10bcf7ad09
SHA256

1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f
SHA512

8f1d82ed40671703ebc4d42e9186283dc2e7fe735fe6df8174b7a566b439b8714e6c401930947b917d5cbe047ea0daef2a13110f227d7cf508a5aeb51dc22f4e

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

3476 MediaCenter.exe

pid	process
3476	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:

1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.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"	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.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 45 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\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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4428"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "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\UplinkBps = "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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\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\SwarmCount = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.168476"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	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\NormalDownloadCount = "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\DownloadMonthlyGroupBytes = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4020 PING.EXE

pid	process
4020	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe

description	pid	process
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe
Token: SeBackupPrivilege	8	TiWorker.exe
Token: SeRestorePrivilege	8	TiWorker.exe
Token: SeSecurityPrivilege	8	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.execmd.exe

description	pid	process	target process
PID 1588 wrote to memory of 3476	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	MediaCenter.exe
PID 1588 wrote to memory of 3476	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	MediaCenter.exe
PID 1588 wrote to memory of 3476	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	MediaCenter.exe
PID 1588 wrote to memory of 1308	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	cmd.exe
PID 1588 wrote to memory of 1308	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	cmd.exe
PID 1588 wrote to memory of 1308	1588	1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe	cmd.exe
PID 1308 wrote to memory of 4020	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 4020	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 4020	1308	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe
"C:\Users\Admin\AppData\Local\Temp\1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1585d458bb663fa468b129bb1ab2fb4453b6ff4df0ad737943c13005db61018f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4020

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3188

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1948

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:8

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
35b831a33327a4c539be80bdb3b97a77

SHA1
fe4753ab6e0f1479cac74de5bd2e4d2b74970ce4

SHA256
efd0f87532d532520382d14085c5abf44162e869db3e2a8e92d8d13943465f1f

SHA512
9a276926a7b99eb975e104a82d3436e0c123bed71b49a77192f34683e6817a9eb1c4437bb8d82c70689ab5c3a0b36c2268cb1c5b420119838870d6e36a79163c

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

MD5
35b831a33327a4c539be80bdb3b97a77

SHA1
fe4753ab6e0f1479cac74de5bd2e4d2b74970ce4

SHA256
efd0f87532d532520382d14085c5abf44162e869db3e2a8e92d8d13943465f1f

SHA512
9a276926a7b99eb975e104a82d3436e0c123bed71b49a77192f34683e6817a9eb1c4437bb8d82c70689ab5c3a0b36c2268cb1c5b420119838870d6e36a79163c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads