sakula | 18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6

General

Target

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe
Size

150KB
MD5

585afb769d944c5d4876781d803ea8aa
SHA1

8011597c7983f954af5869c06e760d3e2cc603b1
SHA256

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6
SHA512

dd1f8d951360fc6b0a15126bd77bf6c2882d7a3871364f46fd93154ae81a6e43e4dfa3832dcdfbd6e59117a80998badd7e302ed3c39482f3d843096072c581d5

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

3700 MediaCenter.exe

pid	process
3700	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:

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.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"	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.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\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "4216"	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\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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\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\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 (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\CDNConnectionCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\Usage\CPUpct = "0.464617"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.255101"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.300141"	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\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\GroupConnectionCount = "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\MemoryUsageKB = "4200"	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\DownloadMonthlyGroupBytes = "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\UplinkUsageBps = "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\UploadCount = "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\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\DownloadMonthlyRateBkBps = "0"	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\FrDownloadRatePct = "90"	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\KVFileExpirationTime = "132892853318113731"	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\DownlinkUsageBps = "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\MemoryUsageKB = "4108"	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

1016 PING.EXE

pid	process
1016	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe
Token: SeBackupPrivilege	3820	TiWorker.exe
Token: SeRestorePrivilege	3820	TiWorker.exe
Token: SeSecurityPrivilege	3820	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.execmd.exe

description	pid	process	target process
PID 1448 wrote to memory of 3700	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	MediaCenter.exe
PID 1448 wrote to memory of 3700	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	MediaCenter.exe
PID 1448 wrote to memory of 3700	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	MediaCenter.exe
PID 1448 wrote to memory of 3084	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	cmd.exe
PID 1448 wrote to memory of 3084	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	cmd.exe
PID 1448 wrote to memory of 3084	1448	18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe	cmd.exe
PID 3084 wrote to memory of 1016	3084	cmd.exe	PING.EXE
PID 3084 wrote to memory of 1016	3084	cmd.exe	PING.EXE
PID 3084 wrote to memory of 1016	3084	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe
"C:\Users\Admin\AppData\Local\Temp\18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3700

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18853782a49e124910d860f0391baa7e1eff8970781f6ffaf6daa887f540b8a6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3084

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1016

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1948

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:3728

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:3820

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
aab54cb514bd7141e2170b9378369f1a

SHA1
8cc59b999973916acab13cbde54e3008946ada46

SHA256
85b2f7306a4619560391a53d7ad7f19b6c19a1d6c54e7fc8b1a80a5fd99c19a4

SHA512
d80bc566cc002792dc3833f480d620e3dedbcc5dbc9d584bdc5e28ab835c0a17139048d863787fc943bb22d1b3047b005f9b776162480927208e3ff25f28d106

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

MD5
aab54cb514bd7141e2170b9378369f1a

SHA1
8cc59b999973916acab13cbde54e3008946ada46

SHA256
85b2f7306a4619560391a53d7ad7f19b6c19a1d6c54e7fc8b1a80a5fd99c19a4

SHA512
d80bc566cc002792dc3833f480d620e3dedbcc5dbc9d584bdc5e28ab835c0a17139048d863787fc943bb22d1b3047b005f9b776162480927208e3ff25f28d106

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads