sakula | 17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f

General

Target

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe
Size

168KB
MD5

124f80ca5c6591aca8e81bce1f87f53d
SHA1

251b647b1d170880d032dde51ecde2f4a46277e1
SHA256

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f
SHA512

b7c18bfb5b87bb0bca45c10dfdbbd5da75c63e292d1a71bf53fd852d7cae649bfe8ed7d4e36e5359c97f076ac934f2f5da4991f2bd7c0ea41b5fd73e7c82f5d2

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 3 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/3452-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2980 MediaCenter.exe

pid	process
2980	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:

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.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"	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\UploadRatePct = "100"	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\MemoryUsageKB = "4072"	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\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\DownloadMonthlyInternetBytes = "0"	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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.796354"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144797"	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\UplinkUsageBps = "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\PeerInfoCount = "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\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\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\UploadCount = "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\DODownloadMode = "1"	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\CacheSizeBytes = "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 = "4272"	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\Config\KVFileExpirationTime = "132892862741183244"	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\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 (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\LANConnectionCount = "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\SwarmCount = "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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2560 PING.EXE

pid	process
2560	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe
Token: SeBackupPrivilege	312	TiWorker.exe
Token: SeRestorePrivilege	312	TiWorker.exe
Token: SeSecurityPrivilege	312	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.execmd.exe

description	pid	process	target process
PID 3452 wrote to memory of 2980	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	MediaCenter.exe
PID 3452 wrote to memory of 2980	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	MediaCenter.exe
PID 3452 wrote to memory of 2980	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	MediaCenter.exe
PID 3452 wrote to memory of 1588	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	cmd.exe
PID 3452 wrote to memory of 1588	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	cmd.exe
PID 3452 wrote to memory of 1588	3452	17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe	cmd.exe
PID 1588 wrote to memory of 2560	1588	cmd.exe	PING.EXE
PID 1588 wrote to memory of 2560	1588	cmd.exe	PING.EXE
PID 1588 wrote to memory of 2560	1588	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe
"C:\Users\Admin\AppData\Local\Temp\17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17c7f39a9ba873ac02d2a2dfeb1e8e05dceb416af19b806d0853ce9c2c879d4f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2560

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2536

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:204

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:312

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
36478dec0cc25c7f07bf9e2eb2517e77

SHA1
09490fd5b718b3a39d5eaf247d941b18e9de0217

SHA256
cc736a972a2a039ead3de0d181074fdcc3c97f4c56d214751f82e6d30c64f8a5

SHA512
00d39560bf453e1567d63bb099f7b94732045d9f1a667531c5626430f0f272ab863fa5f4e5d65219bd8cb5caff386f9bb0893690a1369c3b6b5ba9afb5e2243d

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

MD5
36478dec0cc25c7f07bf9e2eb2517e77

SHA1
09490fd5b718b3a39d5eaf247d941b18e9de0217

SHA256
cc736a972a2a039ead3de0d181074fdcc3c97f4c56d214751f82e6d30c64f8a5

SHA512
00d39560bf453e1567d63bb099f7b94732045d9f1a667531c5626430f0f272ab863fa5f4e5d65219bd8cb5caff386f9bb0893690a1369c3b6b5ba9afb5e2243d

Download Submit
memory/3452-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads