sakula | 04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4

General

Target

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe
Size

192KB
MD5

f734b6891330672078731100de3e0bd3
SHA1

b21302b3e9c4a24aced6a52e635b8e4864bcbe2b
SHA256

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4
SHA512

4ff3f1051f1dae03ff713df006352e5186fa621c16827a2d9a82578cb27633f19e72211b3fef5db722d1f8dcab14a15f88781d1138fff4081acb65c7c3d0ef28

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

400 MediaCenter.exe

pid	process
400	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:

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.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"	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.157362"	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\Config\DODownloadMode = "1"	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\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 (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\UplinkBps = "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\MemoryUsageKB = "4196"	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\LinkLocalConnectionCount = "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\UploadCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.020407"	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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\SwarmCount = "1"	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\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\UploadRatePct = "100"	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\PriorityDownloadPendingCount = "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\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\CDNConnectionCount = "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\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 = "132893159917474073"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyCdnBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3104 PING.EXE

pid	process
3104	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.execmd.exe

description	pid	process	target process
PID 3724 wrote to memory of 400	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	MediaCenter.exe
PID 3724 wrote to memory of 400	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	MediaCenter.exe
PID 3724 wrote to memory of 400	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	MediaCenter.exe
PID 3724 wrote to memory of 724	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	cmd.exe
PID 3724 wrote to memory of 724	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	cmd.exe
PID 3724 wrote to memory of 724	3724	04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe	cmd.exe
PID 724 wrote to memory of 3104	724	cmd.exe	PING.EXE
PID 724 wrote to memory of 3104	724	cmd.exe	PING.EXE
PID 724 wrote to memory of 3104	724	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe
"C:\Users\Admin\AppData\Local\Temp\04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:400

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04cceb51136a02238e5ed058e4c23440161b238af128be8f135c0d4380c136c4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:724

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3104

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3368

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:1728

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:1524

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
c40e279ae691ed605c5e3152bc6f31e7

SHA1
b4cd1c376db62333bcd6858f5d5ce0cb787ca6da

SHA256
493b7f95d415343a5747d2f31cde9cecdf59b51cebc6cc0c248f90eb88e3e3aa

SHA512
9c8c85b4f7d3d127d916ae849a6b5f2c9f28e2e7e71993a6e8e8311f7532a5440944afde95b84bca7c698e24e6c55e58135d6f7a15781c5d7584bb5c978fa627

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c40e279ae691ed605c5e3152bc6f31e7

SHA1
b4cd1c376db62333bcd6858f5d5ce0cb787ca6da

SHA256
493b7f95d415343a5747d2f31cde9cecdf59b51cebc6cc0c248f90eb88e3e3aa

SHA512
9c8c85b4f7d3d127d916ae849a6b5f2c9f28e2e7e71993a6e8e8311f7532a5440944afde95b84bca7c698e24e6c55e58135d6f7a15781c5d7584bb5c978fa627

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads