sakula | 10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43

General

Target

10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe
Size

58KB
MD5

1815538e82c72dc5c2dbe7744f7deceb
SHA1

59a16a90b5ed24926fc3fbd03a99befab2899df0
SHA256

10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43
SHA512

269700fd270e15215a4b20768d5840eed7aba6d7a27d5ac459cbeae363162dde2486a66f646b9d577757ae10dbbab030759a9f31148f1d52df6b2ba0082c4ed9

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

4052 MediaCenter.exe

pid	process
4052	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:

10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.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"	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\FrDownloadRatePct = "90"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892972900035353"	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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrBps = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072"	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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\DownloadMonthlyGroupBytes = "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\Config\DODownloadMode = "1"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.777563"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\SwarmCount = "1"	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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.673159"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "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\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\Usage\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

396 PING.EXE

pid	process
396	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe

description	pid	process
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe
Token: SeBackupPrivilege	2920	TiWorker.exe
Token: SeRestorePrivilege	2920	TiWorker.exe
Token: SeSecurityPrivilege	2920	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.execmd.exe

description	pid	process	target process
PID 3820 wrote to memory of 4052	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	MediaCenter.exe
PID 3820 wrote to memory of 4052	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	MediaCenter.exe
PID 3820 wrote to memory of 4052	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	MediaCenter.exe
PID 3820 wrote to memory of 2464	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	cmd.exe
PID 3820 wrote to memory of 2464	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	cmd.exe
PID 3820 wrote to memory of 2464	3820	10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe	cmd.exe
PID 2464 wrote to memory of 396	2464	cmd.exe	PING.EXE
PID 2464 wrote to memory of 396	2464	cmd.exe	PING.EXE
PID 2464 wrote to memory of 396	2464	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe
"C:\Users\Admin\AppData\Local\Temp\10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.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:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10052cc4eca4a85ac9877c64b50759af21609eb9dc834ea314217ef5caf88c43.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2464

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:396

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:364

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:1172

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:2920

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
4ae28b43fc435e80fc88d3da9a605b76

SHA1
f27eb746c45e590d472146ce1f84594dbf48bd0a

SHA256
5cc680fc697033609df4a1c82f4b1ac9934b4af464eab4ca0ecc5010aff4457c

SHA512
a04d1efadc4966dc407a6285feb9cd9740f899ed8c9dcfb7e7ba5dbf5b27e1dbb6f6172c6e2e7c8de2ccecaad1c3970d0ee0125c1f88e2ccfaced840a9816f1b

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

MD5
4ae28b43fc435e80fc88d3da9a605b76

SHA1
f27eb746c45e590d472146ce1f84594dbf48bd0a

SHA256
5cc680fc697033609df4a1c82f4b1ac9934b4af464eab4ca0ecc5010aff4457c

SHA512
a04d1efadc4966dc407a6285feb9cd9740f899ed8c9dcfb7e7ba5dbf5b27e1dbb6f6172c6e2e7c8de2ccecaad1c3970d0ee0125c1f88e2ccfaced840a9816f1b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads