sakula | 05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e

General

Target

05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe
Size

60KB
MD5

3a07c7e11febe7daadffc796cca478e6
SHA1

970a3309122a7cabe6a2b363edee279076c84a94
SHA256

05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e
SHA512

2c9f9866a280d8680827a7b7db126a8aa18a7b8de46652a97b6f038d6cacad906713786402cdfbd461eac264d51aac662abc33b64738b2a3dcbece28d7e4fd36

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

1476 MediaCenter.exe

pid	process
1476	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:

05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.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"	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.331640"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006564"	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\Usage\CacheSizeBytes = "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 = "4172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380"	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\DownloadMonthlyCacheHostBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\PriorityDownloadCount = "0"	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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownlinkUsageBps = "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\MonthID = "2"	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\Config	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\DownloadMonthlyRateFrBps = "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\Config\KVFileExpirationTime = "132893145216413765"	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
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\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\DownloadMonthlyLinkLocalBytes = "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\MonthlyUploadRestriction = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.464598"	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\DownlinkBps = "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 = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1196 PING.EXE

pid	process
1196	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe

description	pid	process
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe
Token: SeBackupPrivilege	1340	TiWorker.exe
Token: SeRestorePrivilege	1340	TiWorker.exe
Token: SeSecurityPrivilege	1340	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.execmd.exe

description	pid	process	target process
PID 2244 wrote to memory of 1476	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	MediaCenter.exe
PID 2244 wrote to memory of 1476	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	MediaCenter.exe
PID 2244 wrote to memory of 1476	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	MediaCenter.exe
PID 2244 wrote to memory of 3592	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	cmd.exe
PID 2244 wrote to memory of 3592	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	cmd.exe
PID 2244 wrote to memory of 3592	2244	05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe	cmd.exe
PID 3592 wrote to memory of 1196	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 1196	3592	cmd.exe	PING.EXE
PID 3592 wrote to memory of 1196	3592	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe
"C:\Users\Admin\AppData\Local\Temp\05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1476

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05bf3023d6dd9360b1ba89a3104a73cb98c1f62f0065a713f514929583f3602e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1196

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1376

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:3348

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:1340

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
f0e8f807b1b0830cf10d5461e0784acc

SHA1
792bfa38fd48a27786db66e0a16de4b15e421b13

SHA256
0a99aff6b125976ce255b71630561d6e851134d55bed13f15ee8cc52e68da781

SHA512
a205df48fa71c63d73ad17939b656266a2a564d6d9e252d77fd8bbdfbfa8dc9f17c9afa6aaf17b4da436bcea3e37d2f0853ef3dfead0b111a1a4a0d35970be34

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f0e8f807b1b0830cf10d5461e0784acc

SHA1
792bfa38fd48a27786db66e0a16de4b15e421b13

SHA256
0a99aff6b125976ce255b71630561d6e851134d55bed13f15ee8cc52e68da781

SHA512
a205df48fa71c63d73ad17939b656266a2a564d6d9e252d77fd8bbdfbfa8dc9f17c9afa6aaf17b4da436bcea3e37d2f0853ef3dfead0b111a1a4a0d35970be34

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads