sakula | 10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824

General

Target

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe
Size

60KB
MD5

33939f038c83d028b1caa2071b72c4ab
SHA1

9e0dadc79e2fb6d5086c4cec7a0a7aed45edeecc
SHA256

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824
SHA512

dda606933fa6b07f36d6de3ffc2bd9c319cb87e0bc389490143f38c681da28d7c493b76b94da74920cc5f418ed0bc61dbd72f5c670ca77a0a538db4b9276c775

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

2928 MediaCenter.exe

pid	process
2928	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:

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.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"	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.061219"	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\DownlinkBps = "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\DownloadMonthlyCdnBytes = "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\MemoryUsageKB = "4292"	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\Config\DownloadMode_BackCompat = "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\MonthID = "2"	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\NormalDownloadCount = "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\UploadRatePct = "100"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\PeerInfoCount = "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\MonthlyUploadRestriction = "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\Config\KVFileExpirationTime = "132892972347641942"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\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\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\SwarmCount = "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
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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	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 = "2.743927"	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\DownloadMonthlyRateFrCnt = "0"	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\Usage\FrDownloadRatePct = "90"	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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2716 PING.EXE

pid	process
2716	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe
Token: SeBackupPrivilege	1020	TiWorker.exe
Token: SeRestorePrivilege	1020	TiWorker.exe
Token: SeSecurityPrivilege	1020	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.execmd.exe

description	pid	process	target process
PID 624 wrote to memory of 2928	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	MediaCenter.exe
PID 624 wrote to memory of 2928	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	MediaCenter.exe
PID 624 wrote to memory of 2928	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	MediaCenter.exe
PID 624 wrote to memory of 3368	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	cmd.exe
PID 624 wrote to memory of 3368	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	cmd.exe
PID 624 wrote to memory of 3368	624	10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe	cmd.exe
PID 3368 wrote to memory of 2716	3368	cmd.exe	PING.EXE
PID 3368 wrote to memory of 2716	3368	cmd.exe	PING.EXE
PID 3368 wrote to memory of 2716	3368	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe
"C:\Users\Admin\AppData\Local\Temp\10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2928

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10135933395f5437f8adb9a54bf8bfb681b5e5328a2affbdfd40c8ad47db7824.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2716

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3872

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:3700

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:1020

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
262549ea59fb712eb0f57780e4861bc2

SHA1
1eaf7dbf2a8f3a9bf3e21db6851bd0f184cd1bf9

SHA256
626a5800250649c34d450b282664399ca49c58145cd30f43b5b77956362d6e2d

SHA512
996e0bd60454fc434e593945c5688d613cc4cc04c05ef6f5119c27103afc27778d27e354313d132d21bb65a2b4ec851ca742fac17d675c2d355087b759248ab3

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

MD5
262549ea59fb712eb0f57780e4861bc2

SHA1
1eaf7dbf2a8f3a9bf3e21db6851bd0f184cd1bf9

SHA256
626a5800250649c34d450b282664399ca49c58145cd30f43b5b77956362d6e2d

SHA512
996e0bd60454fc434e593945c5688d613cc4cc04c05ef6f5119c27103afc27778d27e354313d132d21bb65a2b4ec851ca742fac17d675c2d355087b759248ab3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads