sakula | 127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e

General

Target

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe
Size

120KB
MD5

1908c0600cc9df5e3735b2790f631e5b
SHA1

17505ef620b6c7a104b99d795aa0470be7ab5743
SHA256

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e
SHA512

1cec77b36f6841e21840f526edf4afb432a994b0d28ff262ac41c5b37905e80a7f149786501918a79b45d1fa0bcd1a82a8c29bea90ef978df4acdf60e43871dd

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/772-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3712 MediaCenter.exe

pid	process
3712	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:

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.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"	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.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\PeerInfoCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.807189"	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\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\UploadCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\NormalDownloadPendingCount = "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\Config\DODownloadMode = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892940454620357"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\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\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\LANConnectionCount = "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\PriorityDownloadCount = "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 = "0.167505"	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
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\GroupConnectionCount = "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\MemoryUsageKB = "4200"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3304 PING.EXE

pid	process
3304	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe
Token: SeBackupPrivilege	3360	TiWorker.exe
Token: SeRestorePrivilege	3360	TiWorker.exe
Token: SeSecurityPrivilege	3360	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.execmd.exe

description	pid	process	target process
PID 772 wrote to memory of 3712	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	MediaCenter.exe
PID 772 wrote to memory of 3712	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	MediaCenter.exe
PID 772 wrote to memory of 3712	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	MediaCenter.exe
PID 772 wrote to memory of 1964	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	cmd.exe
PID 772 wrote to memory of 1964	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	cmd.exe
PID 772 wrote to memory of 1964	772	127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe	cmd.exe
PID 1964 wrote to memory of 3304	1964	cmd.exe	PING.EXE
PID 1964 wrote to memory of 3304	1964	cmd.exe	PING.EXE
PID 1964 wrote to memory of 3304	1964	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe
"C:\Users\Admin\AppData\Local\Temp\127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\127961a581509b5e3a3b13403711a98b22a442afc3c66c893b056d988a65c70e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3304

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2764

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:776

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:3360

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
29b20119b86f20afda95414271d0cd69

SHA1
fdcc1e495cb2b27f7de0dc00bfc1dc8f1c4cb301

SHA256
b6bb1e2b8db96617fc16a891adc003c012f9a9f8a90a085930131dbc207f4245

SHA512
a315f511ff661ac07cc5134a58436444e1e27f2fcfd0126f4ef056781ae0f99840196934c84ac9b6e3b07090373111e0ad9f74f407e95aefd43ea5bc95ad1dbf

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

MD5
29b20119b86f20afda95414271d0cd69

SHA1
fdcc1e495cb2b27f7de0dc00bfc1dc8f1c4cb301

SHA256
b6bb1e2b8db96617fc16a891adc003c012f9a9f8a90a085930131dbc207f4245

SHA512
a315f511ff661ac07cc5134a58436444e1e27f2fcfd0126f4ef056781ae0f99840196934c84ac9b6e3b07090373111e0ad9f74f407e95aefd43ea5bc95ad1dbf

Download Submit
memory/772-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads