sakula | 1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71

General

Target

1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe
Size

80KB
MD5

0a52eea34bbe972d9e4b80bf07890e10
SHA1

528731a258f6f6de8e34fbfd8041ab5467c846de
SHA256

1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71
SHA512

83708e2ade48c7692b6519980cfa3562b6cb1778ad996259b7ab0739b2cc1dae922809ee1346c934249da771fdc243b752797e56ab11b75ac4ae111866edf4e6

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

1668 MediaCenter.exe

pid	process
1668	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:

1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.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"	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLanBytes = "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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.691239"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166720"	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\PeerInfoCount = "0"	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\UploadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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 (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\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 (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\PriorityDownloadCount = "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\Usage\GroupConnectionCount = "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\DownloadMonthlyRateBkBps = "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\Config\KVFileExpirationTime = "132892956287472520"	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 (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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "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\MemoryUsageKB = "4292"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.704584"	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\InternetConnectionCount = "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\UplinkUsageBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3908"	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\DownloadMonthlyRateFrBps = "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\FrDownloadRatePct = "90"	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

3172 PING.EXE

pid	process
3172	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe

description	pid	process
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe
Token: SeBackupPrivilege	3600	TiWorker.exe
Token: SeRestorePrivilege	3600	TiWorker.exe
Token: SeSecurityPrivilege	3600	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.execmd.exe

description	pid	process	target process
PID 1516 wrote to memory of 1668	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	MediaCenter.exe
PID 1516 wrote to memory of 1668	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	MediaCenter.exe
PID 1516 wrote to memory of 1668	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	MediaCenter.exe
PID 1516 wrote to memory of 3768	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	cmd.exe
PID 1516 wrote to memory of 3768	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	cmd.exe
PID 1516 wrote to memory of 3768	1516	1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe	cmd.exe
PID 3768 wrote to memory of 3172	3768	cmd.exe	PING.EXE
PID 3768 wrote to memory of 3172	3768	cmd.exe	PING.EXE
PID 3768 wrote to memory of 3172	3768	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe
"C:\Users\Admin\AppData\Local\Temp\1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1127a9a7a0844f896546f3f160c5522a9341439517973467877568d63175ce71.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3172

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3204

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:432

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:3600

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
6fd21dca4b6bea59f8e6fd28b6fb971a

SHA1
1f1b4c5659e2f157ef5d777cc3de93ee598a43ac

SHA256
113dae62c03f43a4e849c3b7261ddf23cc2eb1b44a90a798e102dcad8d4482b8

SHA512
185bf21ee81ac2121affb3c8a6790f7e461da55853d3ef630a606dc86f61b40f6105582a32433faaac5ebb9cf6d0a2487b5f45cc7df7f3b6599e50df0e73518f

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

MD5
6fd21dca4b6bea59f8e6fd28b6fb971a

SHA1
1f1b4c5659e2f157ef5d777cc3de93ee598a43ac

SHA256
113dae62c03f43a4e849c3b7261ddf23cc2eb1b44a90a798e102dcad8d4482b8

SHA512
185bf21ee81ac2121affb3c8a6790f7e461da55853d3ef630a606dc86f61b40f6105582a32433faaac5ebb9cf6d0a2487b5f45cc7df7f3b6599e50df0e73518f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads