sakula | 10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b

General

Target

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe
Size

150KB
MD5

3f629761402a8770c542e7986c930c20
SHA1

0b5849d450fc615720a8b35cfbd9ccdd9b324356
SHA256

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b
SHA512

6f957c0f62d66b9492bdea0bcc826688fd0c15b691d6ac60a151f80a61158a6f99926b8b84617ecd24ddd474d7edc520fdb06deba322c423f45fa862ff63359b

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

3268 MediaCenter.exe

pid	process
3268	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:

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.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"	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\UploadMonthlyInternetBytes = "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\InternetConnectionCount = "0"	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\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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.285545"	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\DownloadMonthlyInternetBytes = "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\Usage\CPUpct = "0.000000"	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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.823855"	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\MemoryUsageKB = "4296"	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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "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\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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90"	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\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\MemoryUsageKB = "4088"	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\NormalDownloadCount = "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\Usage\UploadMonthlyLanBytes = "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 = "132892971590956096"	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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1588 PING.EXE

pid	process
1588	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.execmd.exe

description	pid	process	target process
PID 4080 wrote to memory of 3268	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	MediaCenter.exe
PID 4080 wrote to memory of 3268	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	MediaCenter.exe
PID 4080 wrote to memory of 3268	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	MediaCenter.exe
PID 4080 wrote to memory of 3524	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	cmd.exe
PID 4080 wrote to memory of 3524	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	cmd.exe
PID 4080 wrote to memory of 3524	4080	10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe	cmd.exe
PID 3524 wrote to memory of 1588	3524	cmd.exe	PING.EXE
PID 3524 wrote to memory of 1588	3524	cmd.exe	PING.EXE
PID 3524 wrote to memory of 1588	3524	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe
"C:\Users\Admin\AppData\Local\Temp\10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3268

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10326789a1f58e15e6380383b75c26bd31839c546c151c809cfe10a5d62e0d7b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1588

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3900

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:1344

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:2744

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
12b1e2fcbdf0abf0762a7308650befae

SHA1
8a0d15e338188ec7d8170beb78a3b5b60c73e1f8

SHA256
898f518e9313c013647a683c784c956e19cb99437443b48ccaef4803d86a3d4b

SHA512
9e37949fd6277857e4b2efa5f170c4aba51f35a916a195512f2c8dadf3f35188819a6bb8185ff46ceddcc115a37d094b548221d8139c0a18c03b404a41e87aa7

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

MD5
12b1e2fcbdf0abf0762a7308650befae

SHA1
8a0d15e338188ec7d8170beb78a3b5b60c73e1f8

SHA256
898f518e9313c013647a683c784c956e19cb99437443b48ccaef4803d86a3d4b

SHA512
9e37949fd6277857e4b2efa5f170c4aba51f35a916a195512f2c8dadf3f35188819a6bb8185ff46ceddcc115a37d094b548221d8139c0a18c03b404a41e87aa7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads