sakula | 0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7

General

Target

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe
Size

36KB
MD5

41087c2610079129d2856cda31587fb8
SHA1

db4232962611cab726ee7daf8d79e85249503639
SHA256

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7
SHA512

39658bc6e8ce227e5dabcc0b5451b1626cb76259b624783e66aca749fe728dc06fac2fd7829824ee6bf806666e866e8b0bd6390bf79f7dcb8d8966291dbd4991

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

2704 MediaCenter.exe

pid	process
2704	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:

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.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"	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownlinkBps = "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\Settings	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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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 = "132892996845884147"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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\PeerInfoCount = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\UploadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.431398"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.587295"	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\DownloadMonthlyInternetBytes = "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\UploadCount = "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\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\DownloadMonthlyGroupBytes = "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\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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3480 PING.EXE

pid	process
3480	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe
Token: SeBackupPrivilege	1904	TiWorker.exe
Token: SeRestorePrivilege	1904	TiWorker.exe
Token: SeSecurityPrivilege	1904	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.execmd.exe

description	pid	process	target process
PID 992 wrote to memory of 2704	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	MediaCenter.exe
PID 992 wrote to memory of 2704	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	MediaCenter.exe
PID 992 wrote to memory of 2704	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	MediaCenter.exe
PID 992 wrote to memory of 1696	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	cmd.exe
PID 992 wrote to memory of 1696	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	cmd.exe
PID 992 wrote to memory of 1696	992	0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe	cmd.exe
PID 1696 wrote to memory of 3480	1696	cmd.exe	PING.EXE
PID 1696 wrote to memory of 3480	1696	cmd.exe	PING.EXE
PID 1696 wrote to memory of 3480	1696	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe
"C:\Users\Admin\AppData\Local\Temp\0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e8fbb6876d218332fe4d3934cae5499d91e0ba426d13d77ab04b3ed77571ab7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3480

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1960

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:3448

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:1904

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
a995c8a4e2994e5476ca7bced3596c2a

SHA1
be80fa54592fb6bd7679cbb1f2787341c9f41069

SHA256
b6e6bd2ca02d175f5f08ad08d0a21384a8e667a18a26d7633b299be703805fd5

SHA512
25d59ab785096bb81b9a466d313593610e7e12a7c50b8ae124a0d80827763cc6a1be9f5cf09ab5a7d9d918a656df24df14c626670cbb6edf37792aeac685d8ec

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

MD5
a995c8a4e2994e5476ca7bced3596c2a

SHA1
be80fa54592fb6bd7679cbb1f2787341c9f41069

SHA256
b6e6bd2ca02d175f5f08ad08d0a21384a8e667a18a26d7633b299be703805fd5

SHA512
25d59ab785096bb81b9a466d313593610e7e12a7c50b8ae124a0d80827763cc6a1be9f5cf09ab5a7d9d918a656df24df14c626670cbb6edf37792aeac685d8ec

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads