sakula | 13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54

General

Target

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe
Size

36KB
MD5

5a42ad377d5de6f1c0d19072a02f14f5
SHA1

9b90e237b9228ab5a0a308d06efc7a2d2727a0f7
SHA256

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54
SHA512

c7e607af85ba853bebfb982737c25e291e2f0eb54e0b0fa9d7a039ece77f4e53f2807909df3a89245c327fd5b2f20410af32777a8408662253505c180a376508

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

3964 MediaCenter.exe

pid	process
3964	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:

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.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"	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236"	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\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\DownloadMonthlyRateBkCnt = "0"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\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\UplinkBps = "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\DownloadMode_BackCompat = "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\DownloadMonthlyRateBkBps = "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 (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\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\GroupConnectionCount = "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\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\CDNConnectionCount = "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	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\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\Config\KVFileExpirationTime = "132892925651050161"	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\InternetConnectionCount = "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\UploadCount = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.283287"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3996 PING.EXE

pid	process
3996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.execmd.exe

description	pid	process	target process
PID 1592 wrote to memory of 3964	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	MediaCenter.exe
PID 1592 wrote to memory of 3964	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	MediaCenter.exe
PID 1592 wrote to memory of 3964	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	MediaCenter.exe
PID 1592 wrote to memory of 1484	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	cmd.exe
PID 1592 wrote to memory of 1484	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	cmd.exe
PID 1592 wrote to memory of 1484	1592	13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe	cmd.exe
PID 1484 wrote to memory of 3996	1484	cmd.exe	PING.EXE
PID 1484 wrote to memory of 3996	1484	cmd.exe	PING.EXE
PID 1484 wrote to memory of 3996	1484	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe
"C:\Users\Admin\AppData\Local\Temp\13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13994b0dc1a7b4df27945e35808a9140463b193ce83fcf84dffee948409d4e54.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3996

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3228

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:3264

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:2792

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
ebb8b6d2f3fb4dd2e7c4d98dc133fbab

SHA1
7117b63b12d7370a26a2309c6ea439b10ef32c2b

SHA256
af95b9c6fd56ee1579014385d6c2c3071061baca5d9f415e72b61fae2d1b38ff

SHA512
a0617e6d8419e9e4c34542899851d1440e25d7e64199f433e2f43faee223e3a7dcf6e49fb9efa8965b9f42c85b18fda996fcaf376e132ba74c81db0163e22216

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

MD5
ebb8b6d2f3fb4dd2e7c4d98dc133fbab

SHA1
7117b63b12d7370a26a2309c6ea439b10ef32c2b

SHA256
af95b9c6fd56ee1579014385d6c2c3071061baca5d9f415e72b61fae2d1b38ff

SHA512
a0617e6d8419e9e4c34542899851d1440e25d7e64199f433e2f43faee223e3a7dcf6e49fb9efa8965b9f42c85b18fda996fcaf376e132ba74c81db0163e22216

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads