sakula | 1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe

General

Target

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe
Size

150KB
MD5

21980ba147c915fd84467048d0bea01c
SHA1

54ec742add25699a8016077e0ae4285280052a69
SHA256

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe
SHA512

a590060dab24ddf7b2eebba31270177740870bcf1ee18d522df4d8a0762be414f13c6d0e4f47ffd55b7bb5a2e394885097e10c233b3384fa901e225e660f1d61

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

644 MediaCenter.exe

pid	process
644	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:

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.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"	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.448258"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4304"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.026998"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\SwarmCount = "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\Usage\UploadMonthlyInternetBytes = "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\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 (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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.077760"	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\DownloadMode_BackCompat = "1"	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\MonthlyUploadRestriction = "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\MemoryUsageKB = "4320"	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\DownloadMonthlyRateBkBps = "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\Config\KVFileExpirationTime = "132892953370408673"	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\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\NormalDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\Usage\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3548 PING.EXE

pid	process
3548	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.execmd.exe

description	pid	process	target process
PID 2856 wrote to memory of 644	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	MediaCenter.exe
PID 2856 wrote to memory of 644	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	MediaCenter.exe
PID 2856 wrote to memory of 644	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	MediaCenter.exe
PID 2856 wrote to memory of 2812	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	cmd.exe
PID 2856 wrote to memory of 2812	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	cmd.exe
PID 2856 wrote to memory of 2812	2856	1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe	cmd.exe
PID 2812 wrote to memory of 3548	2812	cmd.exe	PING.EXE
PID 2812 wrote to memory of 3548	2812	cmd.exe	PING.EXE
PID 2812 wrote to memory of 3548	2812	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe
"C:\Users\Admin\AppData\Local\Temp\1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:644

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1166f1f2e8522b06204428ffabf93a8256b61f89946957a19f0ee6bf404783fe.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3548

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3296

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:3804

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:1444

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
0c626ab0bc1271d0017219873725581e

SHA1
119394d5c90212f199a80e661f9dc6f7fba3f928

SHA256
c0ab5b42f2f2a4303e49bd9be3a35f2106d5850507780a033331bcb276518ec1

SHA512
b27f5258ce3b8452b9a561d567df9602822f882e108e906feebde5ac5f3a80833105e37d4c89a1da8a8163acfe2dee11f353070de497ffd1ab502dd17b609d6d

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

MD5
0c626ab0bc1271d0017219873725581e

SHA1
119394d5c90212f199a80e661f9dc6f7fba3f928

SHA256
c0ab5b42f2f2a4303e49bd9be3a35f2106d5850507780a033331bcb276518ec1

SHA512
b27f5258ce3b8452b9a561d567df9602822f882e108e906feebde5ac5f3a80833105e37d4c89a1da8a8163acfe2dee11f353070de497ffd1ab502dd17b609d6d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads