sakula | 13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302

General

Target

13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe
Size

60KB
MD5

066739d15c4f64aab25bfc4c5a5b6a8e
SHA1

b06442f24d040eaff219090c2547ccb9e332f745
SHA256

13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302
SHA512

1c1f3a7a3945be898de8694eee671e6b58d9c404a4d83427cc20807a490f74af7221e45628e2074075b533cb1caaa4a7fe1e4a5eb44e481a52815d33f9fa4e81

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

3708 MediaCenter.exe

pid	process
3708	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:

13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.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"	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.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\FrDownloadRatePct = "90"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "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\SwarmCount = "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\UplinkUsageBps = "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
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\LinkLocalConnectionCount = "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\MemoryUsageKB = "4316"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.068682"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\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\MemoryUsageKB = "4092"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.101255"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892921968337964"	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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\PriorityDownloadPendingCount = "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\CacheSizeBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333381"	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\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\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3964 PING.EXE

pid	process
3964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe
Token: SeRestorePrivilege	1800	TiWorker.exe
Token: SeSecurityPrivilege	1800	TiWorker.exe
Token: SeBackupPrivilege	1800	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.execmd.exe

description	pid	process	target process
PID 1620 wrote to memory of 3708	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	MediaCenter.exe
PID 1620 wrote to memory of 3708	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	MediaCenter.exe
PID 1620 wrote to memory of 3708	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	MediaCenter.exe
PID 1620 wrote to memory of 1716	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	cmd.exe
PID 1620 wrote to memory of 1716	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	cmd.exe
PID 1620 wrote to memory of 1716	1620	13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe	cmd.exe
PID 1716 wrote to memory of 3964	1716	cmd.exe	PING.EXE
PID 1716 wrote to memory of 3964	1716	cmd.exe	PING.EXE
PID 1716 wrote to memory of 3964	1716	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe
"C:\Users\Admin\AppData\Local\Temp\13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1620

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3708

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13d1018c768eddf44110d3b5a5f8dead7cd54398f4adfa7a1defdb1a5d2f5302.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1064

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:2148

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:1800

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
4ad5b87740653bf7f31b9ede9c79a5c8

SHA1
35ebdc4d6a3c0c8276d875410450fb8d8d13a1ae

SHA256
b0f1e77df5579688cae01e756e6522777a5961197d7ddb4f56ee8451d2304bdd

SHA512
6b4d2add69ba1ad392105f753a388518adc7051de6a0b2c5f221f1d18733c02f99b340bfc14da30108d5fb4a38fa12bc96e833358d4ff028878e03fce56a292f

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

MD5
4ad5b87740653bf7f31b9ede9c79a5c8

SHA1
35ebdc4d6a3c0c8276d875410450fb8d8d13a1ae

SHA256
b0f1e77df5579688cae01e756e6522777a5961197d7ddb4f56ee8451d2304bdd

SHA512
6b4d2add69ba1ad392105f753a388518adc7051de6a0b2c5f221f1d18733c02f99b340bfc14da30108d5fb4a38fa12bc96e833358d4ff028878e03fce56a292f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads