sakula | 0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59

General

Target

0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe
Size

58KB
MD5

5f20b16c84e618a9419937b79145c260
SHA1

aa678d1bc91c695d9f96e585b0003b2c24960233
SHA256

0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59
SHA512

6bfcd7874db6bc0cbc6a2b45b44c59cbb7027877c8abce8165b41e90263ac15acbd636e36099a4fa69e62268951c633e984f4774723d4922e3a2e3c1e708cfba

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

332 MediaCenter.exe

pid	process
332	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:

0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.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"	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.140889"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\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\Usage\NormalDownloadCount = "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 = "4.472363"	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\DownloadMonthlyLinkLocalBytes = "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\InternetConnectionCount = "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\MemoryUsageKB = "3944"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\Config	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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4392"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.504942"	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\PeerInfoCount = "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\DownloadMonthlyCdnBytes = "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\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\GroupConnectionCount = "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\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\Usage\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006569"	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\Config\KVFileExpirationTime = "132893070970294105"	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\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\MemoryUsageKB = "4192"	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

1524 PING.EXE

pid	process
1524	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe

description	pid	process
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe
Token: SeBackupPrivilege	2788	TiWorker.exe
Token: SeRestorePrivilege	2788	TiWorker.exe
Token: SeSecurityPrivilege	2788	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.execmd.exe

description	pid	process	target process
PID 3924 wrote to memory of 332	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	MediaCenter.exe
PID 3924 wrote to memory of 332	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	MediaCenter.exe
PID 3924 wrote to memory of 332	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	MediaCenter.exe
PID 3924 wrote to memory of 3596	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	cmd.exe
PID 3924 wrote to memory of 3596	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	cmd.exe
PID 3924 wrote to memory of 3596	3924	0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe	cmd.exe
PID 3596 wrote to memory of 1524	3596	cmd.exe	PING.EXE
PID 3596 wrote to memory of 1524	3596	cmd.exe	PING.EXE
PID 3596 wrote to memory of 1524	3596	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe
"C:\Users\Admin\AppData\Local\Temp\0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:332

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ac688372e8cbf7df423cea2b8ec3201d0b64b0c775f85ad671be22b48c9aa59.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3596

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1524

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3832

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:1260

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:2788

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
39bb84448e0d02495e01783bd8490342

SHA1
34c6cc0411d9f2bb51030dfbab2de08511949991

SHA256
781e94aadec69aab933006531e2d63c09dca6c601a5a29caaed504c8cb1ba3be

SHA512
b14a6d35093dd6034b3d7eff9f701c7127976cf018fe73144375023189b8c73d03d15da12dd6658b3abd56a3c17d074a1ee05335aa08e7d692d1e90e9c3c7d4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
39bb84448e0d02495e01783bd8490342

SHA1
34c6cc0411d9f2bb51030dfbab2de08511949991

SHA256
781e94aadec69aab933006531e2d63c09dca6c601a5a29caaed504c8cb1ba3be

SHA512
b14a6d35093dd6034b3d7eff9f701c7127976cf018fe73144375023189b8c73d03d15da12dd6658b3abd56a3c17d074a1ee05335aa08e7d692d1e90e9c3c7d4c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads