sakula | 16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31

General

Target

16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe
Size

35KB
MD5

d0e114190a0ab295eeb467dcb117ce37
SHA1

0ec818023f8afbfee4d0bed7bf7a855fe553475f
SHA256

16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31
SHA512

aa9a89d93d185393457b30f4b02e62e6e07893a48f928e9d92ffcb507978eab2c2ca2246f8296e4b1c23de4a43a8b5c1aacbca43e8e96e797db0f8f947ed1297

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2396 MediaCenter.exe

pid	process
2396	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:

16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.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"	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892880402974181"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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 (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\UplinkUsageBps = "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\MemoryUsageKB = "4200"	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\MemoryUsageKB = "4052"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\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\UploadRatePct = "100"	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\MemoryUsageKB = "4308"	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\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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4384"	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\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\InternetConnectionCount = "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\NormalDownloadPendingCount = "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\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\DownloadMonthlyCacheHostBytes = "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\CDNConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.347916"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999398"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

512 PING.EXE

pid	process
512	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe

description	pid	process
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.execmd.exe

description	pid	process	target process
PID 3900 wrote to memory of 2396	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	MediaCenter.exe
PID 3900 wrote to memory of 2396	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	MediaCenter.exe
PID 3900 wrote to memory of 2396	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	MediaCenter.exe
PID 3900 wrote to memory of 948	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	cmd.exe
PID 3900 wrote to memory of 948	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	cmd.exe
PID 3900 wrote to memory of 948	3900	16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe	cmd.exe
PID 948 wrote to memory of 512	948	cmd.exe	PING.EXE
PID 948 wrote to memory of 512	948	cmd.exe	PING.EXE
PID 948 wrote to memory of 512	948	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe
"C:\Users\Admin\AppData\Local\Temp\16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3900

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16974ddab31a3bb406061381042a75dd5ac1d2f6b7cf090f364f3c1994077c31.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:512

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1556

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:2148

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:4064

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
a34474b65111e1fc626de15b12ec69fe

SHA1
622958a111b128034610e7b9d36c372f47a07614

SHA256
672328a4ea66d52657223343d4a0349660477f40118a06759f9bb9ff7c73b1ee

SHA512
e2ec531bdeb93d1908b89de183ab8022f7fc1cec9c559335e8cc29ff459b1c950e89a00860e22f4b26759f213eee5bdccc4788ad8f791cdc27dd0a37861f2635

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

MD5
a34474b65111e1fc626de15b12ec69fe

SHA1
622958a111b128034610e7b9d36c372f47a07614

SHA256
672328a4ea66d52657223343d4a0349660477f40118a06759f9bb9ff7c73b1ee

SHA512
e2ec531bdeb93d1908b89de183ab8022f7fc1cec9c559335e8cc29ff459b1c950e89a00860e22f4b26759f213eee5bdccc4788ad8f791cdc27dd0a37861f2635

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads