sakula | 06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b

General

Target

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe
Size

60KB
MD5

98277bd1adff6b1265332dcce9ba70bd
SHA1

4cf764c6743f556ae168758b39e50266aceabc72
SHA256

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b
SHA512

3d6204c817d1007d45d4c733b03cf43890044af71113ee946c7dffa5f1e09f4f024d4eee6692552444297b7771b51c201c06200d4e73efad5b3e90554e894e79

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

3300 MediaCenter.exe

pid	process
3300	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:

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.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"	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.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\SwarmCount = "1"	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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\UploadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.250179"	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893132289772245"	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\DownlinkUsageBps = "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\Config\DODownloadMode = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941427"	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
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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "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\MemoryUsageKB = "4420"	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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042589"	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 (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\UploadCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

684 PING.EXE

pid	process
684	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe
Token: SeBackupPrivilege	1160	TiWorker.exe
Token: SeRestorePrivilege	1160	TiWorker.exe
Token: SeSecurityPrivilege	1160	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.execmd.exe

description	pid	process	target process
PID 3312 wrote to memory of 3300	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	MediaCenter.exe
PID 3312 wrote to memory of 3300	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	MediaCenter.exe
PID 3312 wrote to memory of 3300	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	MediaCenter.exe
PID 3312 wrote to memory of 2904	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	cmd.exe
PID 3312 wrote to memory of 2904	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	cmd.exe
PID 3312 wrote to memory of 2904	3312	06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe	cmd.exe
PID 2904 wrote to memory of 684	2904	cmd.exe	PING.EXE
PID 2904 wrote to memory of 684	2904	cmd.exe	PING.EXE
PID 2904 wrote to memory of 684	2904	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe
"C:\Users\Admin\AppData\Local\Temp\06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06be5790822db4f0e5d897e67d446d7fe91c04fdf9aeb698b4d2e21b4bb72a4b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:684

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1460

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:3408

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:1160

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
1a2f7f26b0b3a2560294a437a57b91d0

SHA1
5a281321494723e82791c7c7aa83881c86bec6ee

SHA256
4a489060c7c891d27a950d818940ca257f26dec908bc89568d3f7ee1a36f37ee

SHA512
c146a9a954b2952eda7696519716863a17c8fc35b769440f7dcf14c9ed9ef59d184c58b50d6af0f0f9f07e7105e2b319df2fbb3522b8caea5ecc0e438c1447c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1a2f7f26b0b3a2560294a437a57b91d0

SHA1
5a281321494723e82791c7c7aa83881c86bec6ee

SHA256
4a489060c7c891d27a950d818940ca257f26dec908bc89568d3f7ee1a36f37ee

SHA512
c146a9a954b2952eda7696519716863a17c8fc35b769440f7dcf14c9ed9ef59d184c58b50d6af0f0f9f07e7105e2b319df2fbb3522b8caea5ecc0e438c1447c2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads