sakula | 1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7

General

Target

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe
Size

100KB
MD5

15c2cb57974285a8f458266771069ee7
SHA1

ebf0037b0b1e3aaac4ec945d7606ee938250d964
SHA256

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7
SHA512

e377ebd17a3b688119f8bcc79804e2d74d3d6dc3b14de41a6101a1fed7a092fc38003de457088da10bb5b7720efaa7a2348be1f9e5cb9fce17488511e5ee13dd

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

688 MediaCenter.exe

pid	process
688	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:

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.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"	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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 19 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "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\Config	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\Config\DODownloadMode = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

32 PING.EXE

pid	process
32	PING.EXE

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.execmd.exe

description	pid	process	target process
PID 2312 wrote to memory of 688	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	MediaCenter.exe
PID 2312 wrote to memory of 688	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	MediaCenter.exe
PID 2312 wrote to memory of 688	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	MediaCenter.exe
PID 2312 wrote to memory of 2012	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	cmd.exe
PID 2312 wrote to memory of 2012	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	cmd.exe
PID 2312 wrote to memory of 2012	2312	1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe	cmd.exe
PID 2012 wrote to memory of 32	2012	cmd.exe	PING.EXE
PID 2012 wrote to memory of 32	2012	cmd.exe	PING.EXE
PID 2012 wrote to memory of 32	2012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe
"C:\Users\Admin\AppData\Local\Temp\1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:688

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1862e75045542d1cb9015a957eebf2c7f12fd52a03a23735ee503bb4d1b162b7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:32

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3436

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3456

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:944

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:3820

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
f833f3d11ea8efbbf163dca8af1af84e

SHA1
401ab44461415cf77e9b56d4b7a02de2d6724729

SHA256
7807fc1bb6b7714b44dc565d5c1b9dc3fbcce3479994b2551febd7da17cde824

SHA512
66870ad01d1358eb7ee6c2dc7e5f0a3eed30f456ac35c833a5efaa4d875189ccf287a3261dff9ea2aac940532b2f828a7f136b1a9d8ed28ebc44ca92f48b97a4

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

MD5
f833f3d11ea8efbbf163dca8af1af84e

SHA1
401ab44461415cf77e9b56d4b7a02de2d6724729

SHA256
7807fc1bb6b7714b44dc565d5c1b9dc3fbcce3479994b2551febd7da17cde824

SHA512
66870ad01d1358eb7ee6c2dc7e5f0a3eed30f456ac35c833a5efaa4d875189ccf287a3261dff9ea2aac940532b2f828a7f136b1a9d8ed28ebc44ca92f48b97a4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads