sakula | 02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264

General

Target

02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe
Size

58KB
MD5

b0e31b1a03b61a3ac449533012ef1116
SHA1

43a1ef4b0b0bf0f0749b0ab9dd5d3a20f823625d
SHA256

02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264
SHA512

bc95cd109dca9e075bbc4dda6a7cc47a39c60682e0c4ab4c9b326b3038dcff6a12f2af289b9ee22e7132acb046f57991ce643b1dd24e6a8531a17600e5e60bb7

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

3280 MediaCenter.exe

pid	process
3280	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:

02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.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"	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.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 51 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\MonthlyUploadRestriction = "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\DownloadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268"	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\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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.543498"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownloadMonthlyRateBkBps = "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\Config\DODownloadMode = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.851775"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893181254412825"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060"	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\UploadMonthlyInternetBytes = "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\DownlinkBps = "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\BkDownloadRatePct = "45"	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 = "0.311283"	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\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.008079"	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 (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\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\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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3384 PING.EXE

pid	process
3384	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe

description	pid	process
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe
Token: SeBackupPrivilege	928	TiWorker.exe
Token: SeRestorePrivilege	928	TiWorker.exe
Token: SeSecurityPrivilege	928	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.execmd.exe

description	pid	process	target process
PID 3772 wrote to memory of 3280	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	MediaCenter.exe
PID 3772 wrote to memory of 3280	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	MediaCenter.exe
PID 3772 wrote to memory of 3280	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	MediaCenter.exe
PID 3772 wrote to memory of 1096	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	cmd.exe
PID 3772 wrote to memory of 1096	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	cmd.exe
PID 3772 wrote to memory of 1096	3772	02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe	cmd.exe
PID 1096 wrote to memory of 3384	1096	cmd.exe	PING.EXE
PID 1096 wrote to memory of 3384	1096	cmd.exe	PING.EXE
PID 1096 wrote to memory of 3384	1096	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe
"C:\Users\Admin\AppData\Local\Temp\02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3772

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3280

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02e3a838e19853753be2995152e5c9c561c7104431adc68f72b685c0cc08a264.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3384

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2652

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:2076

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:928

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
0d4ef5bc2e243445dcb8ddf4e6ec2dda

SHA1
208f2442e244908c5a00757014ca5b6817809ea9

SHA256
53d3473d1be35291752a2673f6f2e79ecca1b51dffd1b095cc7d5c4d9e460f2b

SHA512
5ca70b61ee9be7df78236dfc45493b8e61391a2edf7e0c525c99892ab0010600ac1ef82ab83b3811b95c49de3b6cde37832ef197e6eec931998ba0c4335580f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
0d4ef5bc2e243445dcb8ddf4e6ec2dda

SHA1
208f2442e244908c5a00757014ca5b6817809ea9

SHA256
53d3473d1be35291752a2673f6f2e79ecca1b51dffd1b095cc7d5c4d9e460f2b

SHA512
5ca70b61ee9be7df78236dfc45493b8e61391a2edf7e0c525c99892ab0010600ac1ef82ab83b3811b95c49de3b6cde37832ef197e6eec931998ba0c4335580f1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads