sakula | 13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc

General

Target

13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe
Size

150KB
MD5

045287445b1f6cccdd8106003910e50b
SHA1

c596b8a635df6b0038953ae348e126cd538ba51d
SHA256

13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc
SHA512

ca1fa57fd01c958524a925ad9d957c582f5e9e907253635549c3e656d25b5a8f8f0053e76d429fce7708064dbb73f28a3183fb2b11d57e42bd424ec8ccd61162

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

1508 MediaCenter.exe

pid	process
1508	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:

13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.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"	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 (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\SwarmCount = "1"	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\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\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\SwarmCount = "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\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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\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\Usage\UploadCount = "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\DownloadMonthlyRateFrBps = "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\Usage\CPUpct = "1.449284"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.331859"	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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.272637"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892922452602344"	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\NormalDownloadCount = "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\MemoryUsageKB = "4240"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3320 PING.EXE

pid	process
3320	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe

description	pid	process
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe
Token: SeBackupPrivilege	3452	TiWorker.exe
Token: SeRestorePrivilege	3452	TiWorker.exe
Token: SeSecurityPrivilege	3452	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.execmd.exe

description	pid	process	target process
PID 2516 wrote to memory of 1508	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	MediaCenter.exe
PID 2516 wrote to memory of 1508	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	MediaCenter.exe
PID 2516 wrote to memory of 1508	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	MediaCenter.exe
PID 2516 wrote to memory of 1444	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	cmd.exe
PID 2516 wrote to memory of 1444	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	cmd.exe
PID 2516 wrote to memory of 1444	2516	13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe	cmd.exe
PID 1444 wrote to memory of 3320	1444	cmd.exe	PING.EXE
PID 1444 wrote to memory of 3320	1444	cmd.exe	PING.EXE
PID 1444 wrote to memory of 3320	1444	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe
"C:\Users\Admin\AppData\Local\Temp\13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1508

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13cde76cb6e5038e6484dc430e4397c007e4da8b20a98d99ce1ea6b8e88ffbbc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3320

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1152

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:1748

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:3452

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
5dcc1cf0ad793aee07e469865509ac68

SHA1
542eedce123b3a104e1f0796ced0255d11604e78

SHA256
1de29e131a9c82d90867b8c17bab817b9eac4f370efb05477575c498cddde7a2

SHA512
9148e27ebf446126b1bd5cbf0217e14036c1e33db8f7d3b352790c520d59e3fe972db08d93d7b62751f5d234cc7e91f7b9e976ab552050ada05c9c94778a3b0d

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

MD5
5dcc1cf0ad793aee07e469865509ac68

SHA1
542eedce123b3a104e1f0796ced0255d11604e78

SHA256
1de29e131a9c82d90867b8c17bab817b9eac4f370efb05477575c498cddde7a2

SHA512
9148e27ebf446126b1bd5cbf0217e14036c1e33db8f7d3b352790c520d59e3fe972db08d93d7b62751f5d234cc7e91f7b9e976ab552050ada05c9c94778a3b0d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads