sakula | 05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea

General

Target

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe
Size

80KB
MD5

3ce1e3223e564ff87d13b0b0dc031311
SHA1

d3c1d16aab63d0589d494a9faa6dbcb3a3348ce9
SHA256

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea
SHA512

92e05f03f67d59c873f042eb8ea296d49ceee42a0e778f40fe2cb17150c9d6aeb7a054469d7aa145d01656d647731d8570df3f48b84a6081e6f458d9ab4f8e60

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

3872 MediaCenter.exe

pid	process
3872	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:

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.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"	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.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
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\CacheSizeBytes = "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\DownlinkUsageBps = "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\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 (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\LANConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.627506"	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\Config\KVFileExpirationTime = "132893142825471736"	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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.965049"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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
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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\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\MemoryUsageKB = "4108"	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\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\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "0"	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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.100431"	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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\LinkLocalConnectionCount = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3116 PING.EXE

pid	process
3116	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe
Token: SeBackupPrivilege	404	TiWorker.exe
Token: SeRestorePrivilege	404	TiWorker.exe
Token: SeSecurityPrivilege	404	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.execmd.exe

description	pid	process	target process
PID 3276 wrote to memory of 3872	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	MediaCenter.exe
PID 3276 wrote to memory of 3872	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	MediaCenter.exe
PID 3276 wrote to memory of 3872	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	MediaCenter.exe
PID 3276 wrote to memory of 3420	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	cmd.exe
PID 3276 wrote to memory of 3420	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	cmd.exe
PID 3276 wrote to memory of 3420	3276	05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe	cmd.exe
PID 3420 wrote to memory of 3116	3420	cmd.exe	PING.EXE
PID 3420 wrote to memory of 3116	3420	cmd.exe	PING.EXE
PID 3420 wrote to memory of 3116	3420	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe
"C:\Users\Admin\AppData\Local\Temp\05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3872

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05ea94bfcd2a9b7928e4b204eff2fe702429bfd9da699ec6adc9782e03048fea.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3420

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3116

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3532

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:3028

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:404

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
94517fe34d4d22d1f897cdfd937c6bb2

SHA1
d6bf0cd7fb5059ef7dacce5e823bc27b5e163fe8

SHA256
8fe9c9361ba7941997a0bcf0680d2c3da163da16679c56c8a7d8b6b4b8a2d8b4

SHA512
4a9561d81ea0a7fc177aa717b81996471caaaf71ca2ee56785dfca86951e152b6035c306501f48b2c52da320ebef88531d242c77971c0a3060c4a55662260395

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
94517fe34d4d22d1f897cdfd937c6bb2

SHA1
d6bf0cd7fb5059ef7dacce5e823bc27b5e163fe8

SHA256
8fe9c9361ba7941997a0bcf0680d2c3da163da16679c56c8a7d8b6b4b8a2d8b4

SHA512
4a9561d81ea0a7fc177aa717b81996471caaaf71ca2ee56785dfca86951e152b6035c306501f48b2c52da320ebef88531d242c77971c0a3060c4a55662260395

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads