sakula | 0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788

General

Target

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe
Size

216KB
MD5

ecfd1e91db1e8187e1bc2185eb4c9634
SHA1

7c483b8aaec005dca89ea3a3a9192794ea9691c9
SHA256

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788
SHA512

1704cab2d68069a34e0f676525863b3fd6d62c57d0afe6d031c699653eef3a1a7b5cfcb387a7095ed940167bd2c22ca9bc221d9d538e25b91237f706177d103c

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/208-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1060-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1060 MediaCenter.exe

pid	process
1060	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:

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.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"	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.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 (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\DownlinkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\UplinkBps = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\UploadCount = "0"	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\UploadRatePct = "100"	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\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 (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\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\Config\KVFileExpirationTime = "132893043385038855"	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\Usage	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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	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 = "2.499984"	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\DownloadMonthlyCdnBytes = "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\NormalDownloadCount = "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\UploadMonthlyInternetBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.884921"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2184 PING.EXE

pid	process
2184	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe
Token: SeBackupPrivilege	2204	TiWorker.exe
Token: SeRestorePrivilege	2204	TiWorker.exe
Token: SeSecurityPrivilege	2204	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.execmd.exe

description	pid	process	target process
PID 208 wrote to memory of 1060	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	MediaCenter.exe
PID 208 wrote to memory of 1060	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	MediaCenter.exe
PID 208 wrote to memory of 1060	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	MediaCenter.exe
PID 208 wrote to memory of 2404	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	cmd.exe
PID 208 wrote to memory of 2404	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	cmd.exe
PID 208 wrote to memory of 2404	208	0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe	cmd.exe
PID 2404 wrote to memory of 2184	2404	cmd.exe	PING.EXE
PID 2404 wrote to memory of 2184	2404	cmd.exe	PING.EXE
PID 2404 wrote to memory of 2184	2404	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe
"C:\Users\Admin\AppData\Local\Temp\0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b39c6e011e35256d5376b17a9601c004887c421fb91b1da240e7c71458de788.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2184

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4032

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:3500

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:2204

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
bb21fb53920c0b5f2c7bb61eb99116db

SHA1
90a15d2e10dba0180734dc062ede001d83cd017e

SHA256
476070fa5ac52883619bbc4669d7ec80d04812fdf169bb98fa073dd5eb422cb4

SHA512
87830d3c753e28245be94395c64e8f031e747c266b90d7c01e5daaa10b795e1d650757428a959651b4a9e71104b656191681e9b616d0511170d7ded29d955cd2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
bb21fb53920c0b5f2c7bb61eb99116db

SHA1
90a15d2e10dba0180734dc062ede001d83cd017e

SHA256
476070fa5ac52883619bbc4669d7ec80d04812fdf169bb98fa073dd5eb422cb4

SHA512
87830d3c753e28245be94395c64e8f031e747c266b90d7c01e5daaa10b795e1d650757428a959651b4a9e71104b656191681e9b616d0511170d7ded29d955cd2

Download Submit
memory/208-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1060-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads