sakula | 0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8

General

Target

0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe
Size

216KB
MD5

9ffadcd27ae3972c5e695c0de5e7a5b5
SHA1

d349f241c664ee020f0a11b10a003709891a937f
SHA256

0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8
SHA512

3d64c946d24c2b0430f04a1de91d98a5de28cfc5e6f0e7749db649481eedd075667156aa154399472be66eb4bb531ece58be554bcd73065b42d18b881e5f5ac0

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 3 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
behavioral2/memory/1840-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4028 MediaCenter.exe

pid	process
4028	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:

0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.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"	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.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\NormalDownloadCount = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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 (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
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\Config\DownloadMode_BackCompat = "1"	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\UploadMonthlyInternetBytes = "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\UplinkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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\PeerInfoCount = "0"	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 = "1.282012"	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\DownlinkBps = "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\FrDownloadRatePct = "90"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.240794"	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\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\Config\KVFileExpirationTime = "132893047238444838"	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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkCnt = "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\GroupConnectionCount = "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 = "4320"	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\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\CacheSizeBytes = "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	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\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1240 PING.EXE

pid	process
1240	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe
Token: SeRestorePrivilege	2328	TiWorker.exe
Token: SeSecurityPrivilege	2328	TiWorker.exe
Token: SeBackupPrivilege	2328	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.execmd.exe

description	pid	process	target process
PID 1840 wrote to memory of 4028	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	MediaCenter.exe
PID 1840 wrote to memory of 4028	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	MediaCenter.exe
PID 1840 wrote to memory of 4028	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	MediaCenter.exe
PID 1840 wrote to memory of 2248	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	cmd.exe
PID 1840 wrote to memory of 2248	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	cmd.exe
PID 1840 wrote to memory of 2248	1840	0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe	cmd.exe
PID 2248 wrote to memory of 1240	2248	cmd.exe	PING.EXE
PID 2248 wrote to memory of 1240	2248	cmd.exe	PING.EXE
PID 2248 wrote to memory of 1240	2248	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe
"C:\Users\Admin\AppData\Local\Temp\0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b00271c9f50512dcd7bd09b517e551f5bb9fdf731bb83c3a1f7bf4452e3d8c8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1240

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3424

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:3020

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:2328

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
1fa20defb79ba139f75435fa64534ffc

SHA1
222ac430ead37cbbcaf06e666f7fb69c78f10cbf

SHA256
040339eea0e6f2e8683d7dbb79eae16046961bfcface61d7fb7aa8097d08e01e

SHA512
0313b03ed5aee0d48d675eec8a5097db49a89728b4cc466af3f1fe4b8c824faef52a176c499be592ed5816a44ea2b245d63cd0a7cdf47e1c644d6c614a1fdf82

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

MD5
1fa20defb79ba139f75435fa64534ffc

SHA1
222ac430ead37cbbcaf06e666f7fb69c78f10cbf

SHA256
040339eea0e6f2e8683d7dbb79eae16046961bfcface61d7fb7aa8097d08e01e

SHA512
0313b03ed5aee0d48d675eec8a5097db49a89728b4cc466af3f1fe4b8c824faef52a176c499be592ed5816a44ea2b245d63cd0a7cdf47e1c644d6c614a1fdf82

Download Submit
memory/1840-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads