sakula | 092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601

General

Target

092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe
Size

60KB
MD5

5c434a9ff5342b0bec6f41b0ce1e93ba
SHA1

61dbdea83099165f1572e9712fef4a0cc400b7e3
SHA256

092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601
SHA512

75b8b1ded7466bf3759ddb9503b7a74b31b7821d709c839e6f0e96aa2dff32eb86804d736b45890e08f795a7146972ffe02bc2582e061b98fb952314abb1b694

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

2528 MediaCenter.exe

pid	process
2528	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:

092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.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"	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.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 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\UploadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\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\UplinkUsageBps = "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\Config\KVFileExpirationTime = "132893096858818059"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateBkBps = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.631676"	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
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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3928"	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.916774"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.165838"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\Config\DODownloadMode = "1"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348"	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\DownloadMonthlyLanBytes = "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\MonthID = "2"	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\BkDownloadRatePct = "45"	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

1856 PING.EXE

pid	process
1856	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe

description	pid	process
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeIncBasePriorityPrivilege	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe
Token: SeBackupPrivilege	3276	TiWorker.exe
Token: SeRestorePrivilege	3276	TiWorker.exe
Token: SeSecurityPrivilege	3276	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.execmd.exe

description	pid	process	target process
PID 864 wrote to memory of 2528	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	MediaCenter.exe
PID 864 wrote to memory of 2528	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	MediaCenter.exe
PID 864 wrote to memory of 2528	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	MediaCenter.exe
PID 864 wrote to memory of 1956	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	cmd.exe
PID 864 wrote to memory of 1956	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	cmd.exe
PID 864 wrote to memory of 1956	864	092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe	cmd.exe
PID 1956 wrote to memory of 1856	1956	cmd.exe	PING.EXE
PID 1956 wrote to memory of 1856	1956	cmd.exe	PING.EXE
PID 1956 wrote to memory of 1856	1956	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe
"C:\Users\Admin\AppData\Local\Temp\092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2528

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\092bff8ae1d6e3fe03e7594914ae701a7d3ad8fb68cc29b77d1eec5f81016601.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1856

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3848

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:1188

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:3276

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
cd47c180835104e9233f8b4ed3d8c65e

SHA1
1ea5d63cc3071375bdb6f103575879ef91c4c36a

SHA256
b33241558607556842557890630f85062085ccd3f8d453829812308c3d81cbec

SHA512
d1b8a72e8a3fa0ef9498f1794367a19f490a18b39188f5097407ff65f753edf288fe1a993e76eeb42bd727d7db3575a62265af1507fe1d52e2deb3f14756fa5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
cd47c180835104e9233f8b4ed3d8c65e

SHA1
1ea5d63cc3071375bdb6f103575879ef91c4c36a

SHA256
b33241558607556842557890630f85062085ccd3f8d453829812308c3d81cbec

SHA512
d1b8a72e8a3fa0ef9498f1794367a19f490a18b39188f5097407ff65f753edf288fe1a993e76eeb42bd727d7db3575a62265af1507fe1d52e2deb3f14756fa5c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads