sakula | 13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85

General

Target

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe
Size

92KB
MD5

d2d783d3dc4442dc276f1ca97d945d22
SHA1

116121b967b5ae71c625f79c9a7ed91fac3e28ea
SHA256

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85
SHA512

c8b6bf1edf2fd2833d42674ba00be8972addde8bb28702b566d76ac6a7122817add4ef1e1f754dee36781ea3d6da6634d0d5517a6ad0223a39d2099d79bfe8d9

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

1776 MediaCenter.exe

pid	process
1776	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:

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.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"	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.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 (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\DownloadMonthlyGroupBytes = "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\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892933566688872"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.253943"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4240"	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\DownloadMonthlyRateFrBps = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.749643"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.002640"	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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\NormalDownloadCount = "0"	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\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\DownlinkUsageBps = "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\BkDownloadRatePct = "45"	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 = "4100"	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 (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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3804 PING.EXE

pid	process
3804	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe
Token: SeBackupPrivilege	3780	TiWorker.exe
Token: SeRestorePrivilege	3780	TiWorker.exe
Token: SeSecurityPrivilege	3780	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.execmd.exe

description	pid	process	target process
PID 1716 wrote to memory of 1776	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	MediaCenter.exe
PID 1716 wrote to memory of 1776	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	MediaCenter.exe
PID 1716 wrote to memory of 1776	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	MediaCenter.exe
PID 1716 wrote to memory of 1204	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	cmd.exe
PID 1716 wrote to memory of 1204	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	cmd.exe
PID 1716 wrote to memory of 1204	1716	13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe	cmd.exe
PID 1204 wrote to memory of 3804	1204	cmd.exe	PING.EXE
PID 1204 wrote to memory of 3804	1204	cmd.exe	PING.EXE
PID 1204 wrote to memory of 3804	1204	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe
"C:\Users\Admin\AppData\Local\Temp\13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1776

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13036d13dbb70da8e386d7d201d6810ff7725cf594690a80f2b3f633670dca85.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3804

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4060

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:1592

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:3780

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
8c979974458edca681dc100ba336316e

SHA1
42762c751301360c17477228f30e6ab5577f8ac9

SHA256
4a61b44ea682bb55ac6ef6d03ef14d9c6e3f1cfb035d1c3f24d5fa50ebc4a9f7

SHA512
623ffd261855a7bac024151845330b0a0b12e14b948488ab9cc5b47376926d5606df5edd9e15227d6c078807dced54831d9e17b1164ae5f5270dae3b1e7f0b50

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

MD5
8c979974458edca681dc100ba336316e

SHA1
42762c751301360c17477228f30e6ab5577f8ac9

SHA256
4a61b44ea682bb55ac6ef6d03ef14d9c6e3f1cfb035d1c3f24d5fa50ebc4a9f7

SHA512
623ffd261855a7bac024151845330b0a0b12e14b948488ab9cc5b47376926d5606df5edd9e15227d6c078807dced54831d9e17b1164ae5f5270dae3b1e7f0b50

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads