sakula | 04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e

General

Target

04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe
Size

58KB
MD5

c03c3457b4e3d45975406a5ca56439d2
SHA1

e16698de86f63c20307a6ffb14ceeda8ba988fa9
SHA256

04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e
SHA512

6097e4a512bc284cc85073b5616d10ff69de55faea118581f46c19b222a597e33cfee7bba5bd56929c3ba2f3018f0a6f1079e8c4530b405afac587bdd792f4e4

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

2268 MediaCenter.exe

pid	process
2268	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:

04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.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"	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893161421227783"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\PriorityDownloadPendingCount = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\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\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 = "9.523975"	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\DownloadMonthlyRateBkCnt = "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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	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\SwarmCount = "1"	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\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\DownloadMonthlyInternetBytes = "0"	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\MonthlyUploadRestriction = "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 = "0.000000"	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\DownloadMonthlyRateFrCnt = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "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\Config\DODownloadMode = "1"	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\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\Usage\DownloadMonthlyRateBkBps = "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\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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.970080"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2344 PING.EXE

pid	process
2344	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.execmd.exe

description	pid	process	target process
PID 760 wrote to memory of 2268	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	MediaCenter.exe
PID 760 wrote to memory of 2268	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	MediaCenter.exe
PID 760 wrote to memory of 2268	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	MediaCenter.exe
PID 760 wrote to memory of 1448	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	cmd.exe
PID 760 wrote to memory of 1448	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	cmd.exe
PID 760 wrote to memory of 1448	760	04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe	cmd.exe
PID 1448 wrote to memory of 2344	1448	cmd.exe	PING.EXE
PID 1448 wrote to memory of 2344	1448	cmd.exe	PING.EXE
PID 1448 wrote to memory of 2344	1448	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe
"C:\Users\Admin\AppData\Local\Temp\04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:760

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2268

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04998aa82bd1c741c990edd11dd95137df1842d025c217f429ddde1d1e43b58e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2344

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2876

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:1640

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:3488

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
5c314742d92adebbd0b0b4d70d244d27

SHA1
296efd649235826a5e127af842922445a60ae638

SHA256
8e9bbcc3f8317485a3f5bf0575fe28b65a9493e0822acb8c85bc678990857bfa

SHA512
c4d0e956a1ba5401a3c9f9c58d914b8430bd946e90effa4aedb6157cc2b6ff3449f2b81325e0839f581fe2d6fba1c2377628bc26b90ffa45f19552a7b9ebf067

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
5c314742d92adebbd0b0b4d70d244d27

SHA1
296efd649235826a5e127af842922445a60ae638

SHA256
8e9bbcc3f8317485a3f5bf0575fe28b65a9493e0822acb8c85bc678990857bfa

SHA512
c4d0e956a1ba5401a3c9f9c58d914b8430bd946e90effa4aedb6157cc2b6ff3449f2b81325e0839f581fe2d6fba1c2377628bc26b90ffa45f19552a7b9ebf067

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads