sakula | 156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b

General

Target

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe
Size

216KB
MD5

ecb2a06d0762f82c55769cb18327f240
SHA1

84d3928c5e00ce953025b1ecb2506c2e446c526b
SHA256

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b
SHA512

f2e3e0e2eda203567d01d17db1cb144fbfee4b9ca9e1ce8c3aabbd008876767cd18a78ef7226c872a66b638abe524e087b6bffa57abfdb72026274e5bf3643c8

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 3 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
behavioral2/memory/3200-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1276 MediaCenter.exe

pid	process
1276	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:

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.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"	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.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
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892899502543270"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\PriorityDownloadPendingCount = "0"	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\DownloadMonthlyLanBytes = "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\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\BkDownloadRatePct = "45"	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 = "2.112571"	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\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\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\UploadRatePct = "100"	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 = "0.961548"	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\DownloadMonthlyRateBkCnt = "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\CacheSizeBytes = "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\UplinkBps = "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\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\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\SwarmCount = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1688 PING.EXE

pid	process
1688	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe
Token: SeBackupPrivilege	3324	TiWorker.exe
Token: SeRestorePrivilege	3324	TiWorker.exe
Token: SeSecurityPrivilege	3324	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.execmd.exe

description	pid	process	target process
PID 3200 wrote to memory of 1276	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	MediaCenter.exe
PID 3200 wrote to memory of 1276	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	MediaCenter.exe
PID 3200 wrote to memory of 1276	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	MediaCenter.exe
PID 3200 wrote to memory of 3920	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	cmd.exe
PID 3200 wrote to memory of 3920	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	cmd.exe
PID 3200 wrote to memory of 3920	3200	156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe	cmd.exe
PID 3920 wrote to memory of 1688	3920	cmd.exe	PING.EXE
PID 3920 wrote to memory of 1688	3920	cmd.exe	PING.EXE
PID 3920 wrote to memory of 1688	3920	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe
"C:\Users\Admin\AppData\Local\Temp\156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\156c35ee9586dcde1040c6b5c5c71a30e39f776a73e1a99cabfb754b14494a3b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1688

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3936

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3520

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:3324

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
62263c14048b10be91cab33600b5af81

SHA1
cad8dff578493924e705ff2c2ec41b61a987c384

SHA256
7acf99897863fc42b998188b4ee154db47e4c0f23c1b798acbb6fe47073ad01b

SHA512
37739780d2a3194484b8bd0b8e9a15b5e4bdfcaaffe2fd50af5145bc058c2eea1dd73fdb0f710012e501e3ed4bbfe180d627e5605e96d525f7492daaec7a2cb9

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

MD5
62263c14048b10be91cab33600b5af81

SHA1
cad8dff578493924e705ff2c2ec41b61a987c384

SHA256
7acf99897863fc42b998188b4ee154db47e4c0f23c1b798acbb6fe47073ad01b

SHA512
37739780d2a3194484b8bd0b8e9a15b5e4bdfcaaffe2fd50af5145bc058c2eea1dd73fdb0f710012e501e3ed4bbfe180d627e5605e96d525f7492daaec7a2cb9

Download Submit
memory/3200-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads