sakula | 1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182

General

Target

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe
Size

99KB
MD5

a07ccbf3fa164cbab825d695f6f40ce8
SHA1

94b9fce9785b36d9d0560635d29fca631fe5518a
SHA256

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182
SHA512

7336f1c0f4a7897bf71b3d5617fb06430e128092672994eb295c90151a9b79b6a267fa7b295920250fd61c8304bb3192f8e0fa3e8d2a3f08c809290a355feabf

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

2972 MediaCenter.exe

pid	process
2972	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:

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.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"	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.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 (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\CacheSizeBytes = "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\UploadCount = "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\UploadMonthlyInternetBytes = "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\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\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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.814320"	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\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\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 (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\PeerInfoCount = "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\MemoryUsageKB = "4088"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.145095"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4216"	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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892887684764900"	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\PriorityDownloadPendingCount = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\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\SwarmCount = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2640 PING.EXE

pid	process
2640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe
Token: SeBackupPrivilege	620	TiWorker.exe
Token: SeRestorePrivilege	620	TiWorker.exe
Token: SeSecurityPrivilege	620	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.execmd.exe

description	pid	process	target process
PID 3820 wrote to memory of 2972	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	MediaCenter.exe
PID 3820 wrote to memory of 2972	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	MediaCenter.exe
PID 3820 wrote to memory of 2972	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	MediaCenter.exe
PID 3820 wrote to memory of 1560	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	cmd.exe
PID 3820 wrote to memory of 1560	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	cmd.exe
PID 3820 wrote to memory of 1560	3820	1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe	cmd.exe
PID 1560 wrote to memory of 2640	1560	cmd.exe	PING.EXE
PID 1560 wrote to memory of 2640	1560	cmd.exe	PING.EXE
PID 1560 wrote to memory of 2640	1560	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe
"C:\Users\Admin\AppData\Local\Temp\1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3820

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1617188c9be685a3fb9e4967434cb45f976fa9cfb76b431a59ef3f6735910182.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1560

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1932

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:1936

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:620

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
4fccf90cef9d4bd62634427274c3a840

SHA1
7543adb462ac13019c7cc2a5a884f1d5f4428c1c

SHA256
7dc6d3086dc48d4c6e94ebf185db75d5c7952717fc960c1f2b28259b310a4d20

SHA512
27d49580512b4f8ec7dea72d14e5fcb95d31fa9df0768806dd4253741c12f0177f2b7c4487fb28f4cf20c1d1cb45a34ce31c8143efb9310d54d8eed81fe2dc16

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

MD5
4fccf90cef9d4bd62634427274c3a840

SHA1
7543adb462ac13019c7cc2a5a884f1d5f4428c1c

SHA256
7dc6d3086dc48d4c6e94ebf185db75d5c7952717fc960c1f2b28259b310a4d20

SHA512
27d49580512b4f8ec7dea72d14e5fcb95d31fa9df0768806dd4253741c12f0177f2b7c4487fb28f4cf20c1d1cb45a34ce31c8143efb9310d54d8eed81fe2dc16

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads