sakula | 0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71

General

Target

0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe
Size

101KB
MD5

ff08bd7d52bae2f55f8e8ab90b6f3e6f
SHA1

242faa45f3956f771612723f78708f9c63018025
SHA256

0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71
SHA512

179cbbbc84d377a43726f6362e19e5175ad3c04cb7d98886d0f73155eced3bd9f38495d7c0deb148e975d2944ca286b5b601dfb4f0b1f59990b21ef69a40436e

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

1804 MediaCenter.exe

pid	process
1804	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:

0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.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"	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.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
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 (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\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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\Config\KVFileExpirationTime = "132893074661042464"	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\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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006582"	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\LANConnectionCount = "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\UplinkBps = "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 (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\SwarmCount = "1"	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\DownloadMonthlyLinkLocalBytes = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.109535"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941284"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4048"	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\DownloadMonthlyLanBytes = "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\Usage\DownloadMonthlyGroupBytes = "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\UploadRatePct = "100"	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
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\UplinkUsageBps = "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\MemoryUsageKB = "4360"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3344 PING.EXE

pid	process
3344	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe
Token: SeRestorePrivilege	1552	TiWorker.exe
Token: SeSecurityPrivilege	1552	TiWorker.exe
Token: SeBackupPrivilege	1552	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.execmd.exe

description	pid	process	target process
PID 1512 wrote to memory of 1804	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	MediaCenter.exe
PID 1512 wrote to memory of 1804	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	MediaCenter.exe
PID 1512 wrote to memory of 1804	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	MediaCenter.exe
PID 1512 wrote to memory of 3772	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	cmd.exe
PID 1512 wrote to memory of 3772	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	cmd.exe
PID 1512 wrote to memory of 3772	1512	0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe	cmd.exe
PID 3772 wrote to memory of 3344	3772	cmd.exe	PING.EXE
PID 3772 wrote to memory of 3344	3772	cmd.exe	PING.EXE
PID 3772 wrote to memory of 3344	3772	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe
"C:\Users\Admin\AppData\Local\Temp\0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1512

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a89457bbd3e7321c2b9e2890099397d06e14086a9b586e26d0ba8924754eb71.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3772

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3344

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1384

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:3176

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:1552

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
65e230ccf9f7e54776077307b5e31926

SHA1
8bb802381f91241d13d669f39de5121a02d0d177

SHA256
07c275a5d57575f205e0711b481a59066d4eae72478d7d0eaa5336dd79331414

SHA512
c1263238d365ed0bf255996ecc53283245be6a5428d4005022f8e7b56ed0acd7134cdfeb33978d93a0880705f64efc7ce714221a407d6ab3335e8cfd22daa1cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
65e230ccf9f7e54776077307b5e31926

SHA1
8bb802381f91241d13d669f39de5121a02d0d177

SHA256
07c275a5d57575f205e0711b481a59066d4eae72478d7d0eaa5336dd79331414

SHA512
c1263238d365ed0bf255996ecc53283245be6a5428d4005022f8e7b56ed0acd7134cdfeb33978d93a0880705f64efc7ce714221a407d6ab3335e8cfd22daa1cf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads