sakula | 158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401

General

Target

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe
Size

80KB
MD5

baa957e90b1fed34bb0549a1ced98392
SHA1

8385d115b3a13f63320a5b7f39bff8fd24ba2fcd
SHA256

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401
SHA512

6dec4f1670096a195ca404fcad00d8dc28a502a581675b5ff39ca859ae39aa056fa22b74be001df59c56c878bf90e13dc1bdbfd6f97e9ffc727d09bc2cce603a

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

1212 MediaCenter.exe

pid	process
1212	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:

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.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"	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 (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\Config\KVFileExpirationTime = "132892896389844456"	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\UplinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\BkDownloadRatePct = "45"	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\CDNConnectionCount = "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\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\DownloadMonthlyCdnBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.388843"	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\DownloadMonthlyCacheHostBytes = "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\MonthlyUploadRestriction = "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\Usage\SwarmCount = "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\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\LinkLocalConnectionCount = "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\SwarmCount = "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\DownloadMonthlyInternetBytes = "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\Usage\DownloadMonthlyRateFrCnt = "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\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\UplinkUsageBps = "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\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\MemoryUsageKB = "4212"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.445093"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4016 PING.EXE

pid	process
4016	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.execmd.exe

description	pid	process	target process
PID 2852 wrote to memory of 1212	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	MediaCenter.exe
PID 2852 wrote to memory of 1212	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	MediaCenter.exe
PID 2852 wrote to memory of 1212	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	MediaCenter.exe
PID 2852 wrote to memory of 2992	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	cmd.exe
PID 2852 wrote to memory of 2992	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	cmd.exe
PID 2852 wrote to memory of 2992	2852	158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe	cmd.exe
PID 2992 wrote to memory of 4016	2992	cmd.exe	PING.EXE
PID 2992 wrote to memory of 4016	2992	cmd.exe	PING.EXE
PID 2992 wrote to memory of 4016	2992	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe
"C:\Users\Admin\AppData\Local\Temp\158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\158a52465055d0341a1002774af978ca77a5287e8bf2f04bb8b7a4d2a72e3401.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4016

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3888

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:3700

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:3724

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
593567df6d8df453dfec5253bf465196

SHA1
1277f39419c93a3640586d9c40c1a1c23e4cc8a2

SHA256
f3e042668179776787b682c064ee810d08386264ba7007a892303b3b515e0016

SHA512
30a8f5814be346dcdee5b486aa0836a564b1e6b4504161cacf424ee17734bb17e0ada8ee529c5c95de7c10b768ed55bb498720bc201643e95a59465657ead6fd

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

MD5
593567df6d8df453dfec5253bf465196

SHA1
1277f39419c93a3640586d9c40c1a1c23e4cc8a2

SHA256
f3e042668179776787b682c064ee810d08386264ba7007a892303b3b515e0016

SHA512
30a8f5814be346dcdee5b486aa0836a564b1e6b4504161cacf424ee17734bb17e0ada8ee529c5c95de7c10b768ed55bb498720bc201643e95a59465657ead6fd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads