sakula | 04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183

General

Target

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe
Size

200KB
MD5

dc20bcf7b6d6677032b6c40f917d7044
SHA1

27da706859a88791568387ab484bb9634beb86ee
SHA256

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183
SHA512

c4e95fb85b024eb0938b19a4f750cfeead73190a7015e9c34c5dc6d6846286fc192c9544fc250d3155364e298d0b9e8f6bda3361e8fceb674f2b47586e921a1e

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 4 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/3872-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3048-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3048 MediaCenter.exe

pid	process
3048	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:

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.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"	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.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 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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.722790"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\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\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 (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\UploadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.182059"	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\DownloadMonthlyRateBkBps = "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\Settings	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\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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\Config\DODownloadMode = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893157519179064"	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
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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\CacheSizeBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.587249"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2420 PING.EXE

pid	process
2420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe
Token: SeBackupPrivilege	3800	TiWorker.exe
Token: SeRestorePrivilege	3800	TiWorker.exe
Token: SeSecurityPrivilege	3800	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.execmd.exe

description	pid	process	target process
PID 3872 wrote to memory of 3048	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	MediaCenter.exe
PID 3872 wrote to memory of 3048	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	MediaCenter.exe
PID 3872 wrote to memory of 3048	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	MediaCenter.exe
PID 3872 wrote to memory of 3044	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	cmd.exe
PID 3872 wrote to memory of 3044	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	cmd.exe
PID 3872 wrote to memory of 3044	3872	04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe	cmd.exe
PID 3044 wrote to memory of 2420	3044	cmd.exe	PING.EXE
PID 3044 wrote to memory of 2420	3044	cmd.exe	PING.EXE
PID 3044 wrote to memory of 2420	3044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe
"C:\Users\Admin\AppData\Local\Temp\04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04f7a907eb531d1121b13f3ba0f941b69685ca2e1698087b68ee16eebce80183.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2212

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:460

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:3800

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
8aa0cb7d45d65b01b97df2bd29e8f48f

SHA1
6e607f3eccdbe36dda10854269fa0b2884661cb7

SHA256
d6d0b480db7daa42efb54b898b747e942d88f2747b8742d15dd63e78e68baca0

SHA512
89c4562a1e079fbdfac0ec6c70059270df7b2256d8b9dd06454b1519252ab3fcfab8a36de843f9887a597cc9114275ca619afa5825b031f814f8571b51636b9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
8aa0cb7d45d65b01b97df2bd29e8f48f

SHA1
6e607f3eccdbe36dda10854269fa0b2884661cb7

SHA256
d6d0b480db7daa42efb54b898b747e942d88f2747b8742d15dd63e78e68baca0

SHA512
89c4562a1e079fbdfac0ec6c70059270df7b2256d8b9dd06454b1519252ab3fcfab8a36de843f9887a597cc9114275ca619afa5825b031f814f8571b51636b9d

Download Submit
memory/3048-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3872-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads