sakula | 16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296

General

Target

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe
Size

192KB
MD5

2421e9171c152b8657fcf6e9889e046a
SHA1

a45599c6979543ffec32baea771d5c3d6a7453bf
SHA256

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296
SHA512

ade7e6bfd35eb06281e3e41020fd1ee0c5ee4e5e2b228f157966bfecbb84de69d802e9973f3347efa956c3bc3855ac61316c5883f1090888a211b5aa5cdecc80

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

1972 MediaCenter.exe

pid	process
1972	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:

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.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"	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.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\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\SwarmCount = "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\SwarmCount = "1"	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\CDNConnectionCount = "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 = "0.700948"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateBkCnt = "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
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\UplinkBps = "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\UploadMonthlyLanBytes = "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\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 (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\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892884616731045"	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\UploadCount = "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\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 (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\UplinkUsageBps = "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\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\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.684923"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4048 PING.EXE

pid	process
4048	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe
Token: SeBackupPrivilege	3900	TiWorker.exe
Token: SeRestorePrivilege	3900	TiWorker.exe
Token: SeSecurityPrivilege	3900	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.execmd.exe

description	pid	process	target process
PID 2100 wrote to memory of 1972	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	MediaCenter.exe
PID 2100 wrote to memory of 1972	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	MediaCenter.exe
PID 2100 wrote to memory of 1972	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	MediaCenter.exe
PID 2100 wrote to memory of 3672	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	cmd.exe
PID 2100 wrote to memory of 3672	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	cmd.exe
PID 2100 wrote to memory of 3672	2100	16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe	cmd.exe
PID 3672 wrote to memory of 4048	3672	cmd.exe	PING.EXE
PID 3672 wrote to memory of 4048	3672	cmd.exe	PING.EXE
PID 3672 wrote to memory of 4048	3672	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe
"C:\Users\Admin\AppData\Local\Temp\16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16559687aea98bc29b900ba4e9ec274a75b402cc81c7cbeb07f896a523858296.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3672

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4048

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3892

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:3244

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:3900

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
184d19e06dfa541ee5e031199f379a57

SHA1
9777b2d1aa45d7879aa706f54186f819298c543f

SHA256
2cde287966f9b12d528c0a990604ce104850307cb363a661b63f2675a815d4c3

SHA512
c5145eb41d8d18f2139ee9487c3a28ead3bbdf26a18d1c3c3bbfea301e773fb0da79c59903e6c17aa27540654e17806d50d04436140a2c17e9d0ea481b19256e

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

MD5
184d19e06dfa541ee5e031199f379a57

SHA1
9777b2d1aa45d7879aa706f54186f819298c543f

SHA256
2cde287966f9b12d528c0a990604ce104850307cb363a661b63f2675a815d4c3

SHA512
c5145eb41d8d18f2139ee9487c3a28ead3bbdf26a18d1c3c3bbfea301e773fb0da79c59903e6c17aa27540654e17806d50d04436140a2c17e9d0ea481b19256e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads